{"id":804,"date":"2025-02-07T03:56:30","date_gmt":"2025-02-06T19:56:30","guid":{"rendered":"https:\/\/yanghaixiong.com\/?p=804"},"modified":"2025-02-07T03:56:30","modified_gmt":"2025-02-06T19:56:30","slug":"obsidian%e6%8f%92%e4%bb%b6dataview-dql%e6%9f%a5%e8%af%a2%e8%af%ad%e8%a8%80%e8%af%a6%e8%a7%a3%ef%bc%88%e4%ba%94%ef%bc%89","status":"publish","type":"post","link":"https:\/\/yanghaixiong.com\/blog\/skills\/804\/","title":{"rendered":"Obsidian\u63d2\u4ef6Dataview \u2014\u2014 DQL\u67e5\u8be2\u8bed\u8a00\u8be6\u89e3\uff08\u4e94\uff09"},"content":{"rendered":"<div class=\"seriesmeta\">\u8fd9\u7bc7\u6587\u7ae0\u662f <a href=\"https:\/\/yanghaixiong.com\/blog\/series\/obsidian-dataview\/\" class=\"series-201\" title=\"Obsidian Dataview \u7cfb\u5217\">Obsidian Dataview \u7cfb\u5217<\/a> \u7cfb\u5217 15 \u7bc7\u6587\u7ae0\u4e2d\u7684\u7b2c 5 \u7bc7<\/div>\n<h2 id=\"%e4%b8%80%e3%80%81%e8%af%ad%e6%b3%95%e7%bb%93%e6%9e%84\">\u4e00\u3001\u8bed\u6cd5\u7ed3\u6784<\/h2>\n<p>DQL \u67e5\u8be2\u8bed\u8a00\u7684\u8bed\u6cd5\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE or LIST or TASK or CALENDER [WITHOUT ID] &lt;field&gt; or &lt;field AS alias&gt;\nFROM &lt;source&gt;\nWHERE &lt;clause&gt;\nSORT field1 [ASCENDING\/DESCENDING\/ASC\/DESC], ..., fieldN [ASC\/DESC]\nGROUP BY &lt;value&gt; [AS &lt;name&gt;]\nLIMIT &lt;value&gt;\nFLATTEN &lt;value&gt; [AS &lt;name&gt;]\n<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u8fd9\u4e2a\u8bed\u6cd5\u5b9a\u4e49\u975e\u5b98\u65b9\u63d0\u4f9b\uff0c\u5728\u6587\u7ae0\u4e2d\u4ec5\u4e3a\u4e86\u65b9\u4fbf\u63cf\u8ff0\u3002\u9664\u4e86\u67e5\u8be2\u7c7b\u578b\u548c FROM \u8bed\u53e5\u4f4d\u7f6e\u56fa\u5b9a\u5916\uff0c\u5176\u5b83\u8bed\u53e5\u7edf\u79f0\u6570\u636e\u547d\u4ee4\uff08Data Command\uff09\uff0c\u53ef\u4ee5\u591a\u6b21\u4f7f\u7528\uff0c\u4f4d\u7f6e\u4e0d\u56fa\u5b9a\u3002<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%af%a2%e7%b1%bb%e5%9e%8b-tablelisttaskcalendar\">1. \u67e5\u8be2\u7c7b\u578b TABLE\/LIST\/TASK\/CALENDAR<\/h3>\n<p>\u5b98\u65b9\u63d0\u4f9b\u4e86 4 \u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><code>TABLE<\/code>: \u4ee5\u8868\u683c\u65b9\u5f0f\u663e\u793a\u7ed3\u679c\u3002<\/li>\n<li><code>LIST<\/code>: \u4ee5\u5217\u8868\u65b9\u5f0f\u663e\u793a\u7ed3\u679c\u3002<\/li>\n<li><code>TASK<\/code>: \u663e\u793a\u6ee1\u8db3\u8fc7\u6ee4\u6761\u4ef6\u7684\u4ea4\u4e92\u5f0f\u4efb\u52a1\uff08\u5bf9\u8fc7\u6ee4\u7ed3\u679c\u7684\u64cd\u4f5c\u72b6\u6001\u4f1a\u540c\u6b65\u5230\u539f\u59cb\u6587\u6863\u4e2d\u5bf9\u5e94\u7684\u4efb\u52a1\uff09\u3002<\/li>\n<li><code>CALENDAR<\/code>\uff1a\u5728\u65e5\u5386\u4e2d\u5bf9\u5e94\u7684\u65e5\u671f\u4e2d\u6807\u8bb0\u70b9\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%8e%92%e9%99%a4%e9%bb%98%e8%ae%a4%e5%80%bc-without-id\">2. \u6392\u9664\u9ed8\u8ba4\u503c WITHOUT ID<\/h3>\n<p><code>&lt;WITHOUT ID&gt;<\/code> \u7528\u4e8e <code>LIST<\/code> \u7c7b\u578b\u4e2d\uff0c\u8868\u793a\u5728\u67e5\u8be2\u7684\u7ed3\u679c\u4e2d\u4e0d\u663e\u793a\u6587\u4ef6\u540d\u6216\u8005\u5206\u7ec4\u540d\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018231043.png\" alt=\"image.png|1000\" \/><\/p>\n<p><code>&lt;WITHOUT ID&gt;<\/code>\u00a0\u7528\u4e8e\u00a0<code>TABLE<\/code>\u00a0\u7c7b\u578b\u4e2d\uff0c\u8868\u793a\u5728\u67e5\u8be2\u7684\u7ed3\u679c\u4e2d\u4e0d\u663e\u793a\u7b2c\u4e00\u5217\u94fe\u63a5\u6587\u4ef6\u540d\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018231129.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u5982\u679c\u7528\u4e8e\u5206\u7ec4\u540e\u7684\u6570\u636e\uff0c\u5219\u4e0d\u663e\u793a\u5206\u7ec4\u540d\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018231205.png\" alt=\"image.png|1000\" \/><\/p>\n<h3 id=\"3-from-%e8%af%ad%e5%8f%a5\">3. FROM \u8bed\u53e5<\/h3>\n<p><code>&lt;FROM&gt;<\/code>\u00a0\u8bed\u53e5\u8868\u793a\u67e5\u8be2\u6765\u6e90\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u67e5\u8be2\u5f53\u524d Obsidian \u4ed3\u5e93\u4e2d\u7684\u6240\u6709\u6587\u6863\u3002<br \/>\n\u5982\u679c\u6307\u5b9a\u5728\u5f53\u524d\u6587\u6863\u4e2d\u8fdb\u884c\u67e5\u8be2\uff0c\u53ef\u4ee5\u5c06\u00a0<code>&lt;FROM&gt;<\/code>\u00a0\u6765\u6e90\u6307\u5b9a\u4e3a\u6587\u6863\u7684\u8def\u5f84\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE file.name, file.ctime\nFROM \"\u535a\u5ba2\/Obsidian\/\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528\"\n<\/code><\/pre>\n<p>\u4e0a\u9762\u6211\u4eec\u4ece\u6307\u5b9a\u7684<strong>\u6587\u6863<\/strong>\u83b7\u53d6\u6570\u636e\u6e90\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u6307\u5b9a<strong>\u76ee\u5f55<\/strong>\uff0c\u4f8b\u5982\uff1a<code>FROM \"\u535a\u5ba2\/Obsidian\"<\/code>\uff0c\u6b64\u5916\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a<strong>\u6807\u7b7e<\/strong>\uff0c\u518d\u7ed3\u5408\u8fd0\u7b97\u7b26\u6765\u8fc7\u6ee4\u6570\u636e\u6e90\uff0c\u4f8b\u5982\uff1a<code>FROM #\u535a\u5ba2 AND \"Go\"<\/code>\uff0c\u7ed3\u679c\u4e3a\u535a\u5ba2\u4e2d Go \u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u3002<\/p>\n<p>\u9664\u4e86\u4ece\u6807\u7b7e\u3001\u6587\u6863\u548c\u76ee\u5f55\u4e2d\u83b7\u53d6\u5185\u5bb9\u5916\uff0c\u8fd8\u53ef\u4ee5\u4ece Obsidian \u7684\u53cc\u5411<strong>\u94fe\u63a5<\/strong>\u4e2d\u83b7\u53d6\u6570\u636e\u6e90\uff0c\u8fd9\u91cc\u6211\u4eec\u7b80\u5355\u7684\u8865\u5145\u4e00\u4e0b\u94fe\u63a5\u7684\u77e5\u8bc6\u3002<\/p>\n<p>\u5728\u6587\u6863\u4e2d\u63d2\u5165\u7684 URL \u56fe\u7247\u5730\u5740\uff0c\u7f51\u9875 URL \u5730\u5740\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a<strong>\u5916\u90e8\u94fe\u63a5<\/strong>\u3002\u5982\u679c\u5728 Obsidian \u6587\u6863\u4e2d\u60f3\u8981\u5f15\u7528\u5176\u5b83\u6587\u6863\uff0c\u6216\u8005\u5176\u6587\u6863\u4e2d\u7684\u6807\u9898\uff0c\u90e8\u5206\u6bb5\u843d\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa<strong>\u5185\u90e8\u94fe\u63a5<\/strong>\u3002\u5728 Obsidian \u4e2d\u6211\u4eec\u901a\u5e38\u5c06\u5185\u90e8\u94fe\u63a5\u79f0\u4f5c<strong>\u53cc\u94fe<\/strong>\u6216\u8005<strong>\u53cc\u5411\u94fe\u63a5<\/strong>\uff0c\u7136\u540e\u5728 Obsidian \u73af\u5883\u4e2d\u6211\u4eec\u4f7f\u7528<strong>\u94fe\u63a5<\/strong>\uff08Link\uff09\u6307\u4ee3\u5185\u90e8\u94fe\u63a5\uff0c\u5982\u679c\u6709\u7279\u6b8a\u60c5\u51b5\u4f1a\u5355\u72ec\u8bf4\u660e\u3002<\/p>\n<p>\u5728\u6587\u6863\u4e2d\u521b\u5efa\u94fe\u63a5\u7684\u8bed\u6cd5\u4e3a <code>[[\u6587\u6863\u540d\u79f0]]<\/code>\uff0c\u5f53\u6211\u4eec\u8f93\u5165\u524d\u4e24\u4e2a\u4e2d\u62ec\u53f7\u540e\uff0cObsidian \u754c\u9762\u4e2d\u4f1a\u5f39\u51fa\u6587\u6863\u9009\u62e9\u4e0b\u62c9\u5217\u8868\uff0c\u7136\u540e\u81ea\u52a8\u63d2\u5165\u6587\u6863\u540d\u79f0\u548c\u8865\u5168\u540e\u9762\u7684\u4e24\u4e2a\u4e2d\u62ec\u53f7\u3002\u4e00\u4e2a\u6587\u6863\u5185\u90e8\u53ef\u80fd\u4f1a\u5f15\u7528\u591a\u4e2a\u5916\u90e8\u6587\u6863\u7684\u94fe\u63a5\uff0c\u540c\u65f6\u6587\u6863\u4e5f\u4f1a\u88ab\u522b\u7684\u6587\u6863\u5f15\u7528\u4e3a\u94fe\u63a5\uff0c\u8fd9\u6837\u5c31\u884c\u6210\u4e86\u4e00\u4e2a\u53cc\u5411\u7684\u94fe\u63a5\u3002\u6211\u4eec\u5c06\u5f53\u524d\u6587\u6863\u5f15\u5165\u7684\u94fe\u63a5\u79f0\u4e4b\u4e3a<strong>\u51fa\u94fe<\/strong>\uff08Outgoing links\uff09\uff0c\u5982\u679c\u6709\u5176\u5b83\u6587\u6863\u5f15\u7528\u4e86\u5f53\u524d\u6587\u6863\uff0c\u5219\u5c06\u5176\u5b83\u6587\u6863\u79f0\u4e4b\u4e3a<strong>\u5916\u94fe<\/strong>\uff08Backlinks\uff09\u3002<\/p>\n<p>\u5728\u5f15\u5165\u5176\u5b83\u6587\u6863\u5185\u5bb9\u65f6\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u6307\u5411\u6574\u4e2a\u6587\u6863\uff0c\u4e5f\u53ef\u4ee5\u5f15\u7528\u6587\u6863\u6807\u9898\uff0c\u8fdb\u4e00\u6b65\u8fd8\u53ef\u4ee5\u5f15\u7528\u67d0\u4e2a\u6bb5\u843d\uff08\u5757\uff09\uff0c\u6b64\u5916\u8fd8\u53ef\u4ee5\u5bf9\u5f15\u7528\u7684\u5185\u5bb9\u6307\u5b9a\u522b\u540d\u3002\u4e0b\u9762\u662f 4 \u79cd\u94fe\u63a5\u5f15\u7528\u65b9\u5f0f\u4e3e\u4f8b\uff0c\u5176\u4e2d <code>x<\/code> \u7528\u6765\u6307\u4ee3\u4efb\u610f\u7b26\u5408\u94fe\u63a5\u89c4\u8303\u7684\u6587\u672c\uff0c\u5728 Obsidian \u4e2d\u8f93\u5165 <code>[[<\/code> \u540e\u5168\u662f\u53ef\u89c6\u5316\u64cd\u4f5c\u9009\u62e9\uff0c\u4f8b\u5982\u5728\u9009\u62e9\u6587\u6863\u540e\uff0c\u5728\u6587\u6863\u540e\u8f93\u5165 <code>|<\/code> \u4f1a\u52a0\u8f7d\u6587\u6863\u5185\u5bb9\u8ba9\u4f60\u9009\u62e9\u8981\u5f15\u7528\u7684\u6bb5\u843d\u3002<\/p>\n<ul>\n<li>\u94fe\u63a5\u5230\u6587\u6863(<code>[[x]]<\/code>)\uff1a<code>[[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528]]<\/code><\/li>\n<li>\u94fe\u63a5\u5230\u6587\u6863\u4e2d\u7684\u6807\u9898(<code>[[x#x]]<\/code>)\uff1a <code>[[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528#<\/code> FROM <code>\u8bed\u53e5]]<\/code><\/li>\n<li>\u94fe\u63a5\u5230\u6587\u6863\u4e2d\u7684\u6bb5\u843d(<code>[x#^x]<\/code>)\uff1a<code>[[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528#^065c03]]<\/code><\/li>\n<li>\u94fe\u63a5\u5230\u6587\u6863\u4e2d\u7684\u6bb5\u843d\u5e76\u4f7f\u7528\u522b\u540d (<code>[x#^x|x]<\/code>)\uff1a <code>[[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528#^065c03|\u8fd9\u662f\u522b\u540d\uff0c\u4f1a\u66ff\u6362\u539f\u6587\u6863\u540d]]<\/code><\/li>\n<\/ul>\n<p>\u7136\u540e\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u67e5\u8be2\u5916\u94fe\u548c\u51fa\u94fe\u3002\u901a\u5e38\u5728 <code>FROM [[x]]<\/code> \u67e5\u8be2\u7684\u7ed3\u679c\u4e3a\u5916\u94fe\uff0c\u5982\u679c\u8981\u67e5\u8be2\u51fa\u94fe\u5219\u9700\u8981\u8c03\u7528 <code>outgoing()<\/code> \u51fd\u6570\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">LIST file.name\nFROM outgoing([[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528]])\n<\/code><\/pre>\n<h3 id=\"4-where-%e8%af%ad%e5%8f%a5\">4. WHERE \u8bed\u53e5<\/h3>\n<p><code>WHERE<\/code>\u00a0\u8bed\u53e5\u7528\u4e8e\u8fc7\u6ee4\u6570\u636e\uff0c\u8fd9\u91cc\u6211\u4eec\u518d\u6b21\u5b9e\u73b0\u5728\u00a0<code>&lt;FROM&gt;<\/code>\u00a0\u8bed\u53e5\u4e2d\u67e5\u8be2\u5f53\u524d\u6587\u6863\u7684\u64cd\u4f5c\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE file.name, file.ctime\nWHERE file = this.file\n<\/code><\/pre>\n<h3 id=\"5-sort-%e8%af%ad%e5%8f%a5\">5. SORT \u8bed\u53e5<\/h3>\n<p><code>SORT<\/code>\u00a0\u8bed\u53e5\u7528\u4e8e\u5bf9\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff0c\u6392\u5e8f\u65b9\u5f0f\u6709\u5347\u5e8f (<code>ASC<\/code>\u00a0|\u00a0<code>ASCENDING<\/code>) \u548c\u964d\u5e8f\uff08<code>DESC<\/code>\u00a0|\u00a0<code>DESCENDING<\/code>\uff09\u4e8c\u79cd\u65b9\u5f0f\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u9ed8\u8ba4\u6309\u5347\u5e8f\u6392\u5e8f\u3002\u4e0b\u9762\u7684\u67e5\u8be2\u7ed3\u679c\u4ee5\u521b\u5efa\u65f6\u95f4\u5347\u5e8f\u663e\u793a\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE file.name, file.ctime\nSORT file.ctime ASC\n<\/code><\/pre>\n<h3 id=\"6-group-by-%e8%af%ad%e5%8f%a5\">6. GROUP BY \u8bed\u53e5<\/h3>\n<p><code>GROUP BY<\/code> \u8bed\u53e5\u7528\u4e8e\u5bf9\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u5206\u7ec4\u663e\u793a\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u5b83\u7684\u7528\u6cd5\uff0c\u5982\u679c\u6211\u4eec\u5728\u4e0a\u9762 <code>SORT<\/code> \u8bed\u53e5\u793a\u4f8b\u4e2d\u6dfb\u52a0\u6309 <code>file.cday<\/code> \u5206\u7ec4\u7684\u8bdd\uff0c\u9664\u4e86\u52a0\u4e0a <code>GROUP BY file.cday<\/code> \u5916\uff0c\u8fd8\u9700\u8981\u5c06 <code>file.name, file.ctime<\/code> \u4fee\u6539\u6210 <code>rows.file.name, rows.file.ctime<\/code>\uff0c\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u4ece\u5206\u7ec4\u540e\u7684\u7ed3\u679c\u4e2d\u83b7\u53d6\u6587\u6863\u4fe1\u606f\uff0c\u8fd9\u4e2a\u5339\u914d\u7684\u7ed3\u679c\u5b58\u50a8\u5728\u5c5e\u6027 <code>rows<\/code> \u6570\u7ec4\u4e2d\u3002\u8fd9\u91cc\u6211\u4eec\u4e0d\u9700\u8981\u81ea\u5df1\u6765\u5904\u7406\u7d22\u5f15\uff0c\u5982\u679c\u4f60\u60f3\u8981\u83b7\u53d6\u5206\u7ec4\u7ed3\u679c\u6570\u7ec4\u4e2d\u7b2c 3 \u9879\u7684\u7ed3\u679c\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd9\u6837\u5199 <code>rows[2].file.name<\/code>\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE WITHOUT ID rows.file.name, rows.file.ctime\nSORT file.ctime ASC \/\/ \u4f7f\u7528\u5206\u7ec4\u65f6\uff0c\u9ed8\u8ba4\u4f1a\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u8fd9\u91cc\u53ef\u4ee5\u4e0d\u5199\u3002\nGROUP BY file.cday\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018232117.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u5982\u679c\u6211\u4eec\u76f8\u8981\u83b7\u53d6\u7b2c 3 \u4e2a\u5206\u7ec4\u4e2d\u7b2c 3 \u9879\u6570\u636e\uff0c\u53ef\u4ee5\u5199\u6210\u00a0<code>TABLE WITHOUT ID rows[2].file.name, rows[2].file.ctime<br \/>\n![image.png|1000](https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018232327.png)<\/code><\/p>\n<h3 id=\"7-flatten-%e8%af%ad%e5%8f%a5\">7. FLATTEN \u8bed\u53e5<\/h3>\n<p><code>FLATTEN<\/code> \u8bed\u53e5\u7684\u4f5c\u7528\u662f\u5c55\u5f00\uff08\u6241\u5e73\uff09\u6570\u7ec4\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a<code>[1, [2, [3, 4], 5]]<\/code> \u5c55\u5f00\u540e\uff1a<code>[1, 2, 3, 4, 5]<\/code>\uff0c\u4f46\u662f\u8fd9\u91cc\u5e76\u4e0d\u4e00\u5b9a\u6070\u5f53\uff0c\u56e0\u4e3a\u5728 DataView \u4e2d\u6211\u4eec\u533a\u5206\u67e5\u8be2\u7c7b\u578b\uff0c\u6bd4\u5982\u8bf4\u591a\u7ea7\u5d4c\u5957\u7684\u4efb\u52a1\u5c31\u6bd4\u8f83\u8d34\u5408\u524d\u9762\u8bf4\u7684\u5c55\u5f00\u6570\u7ec4\u7684\u60c5\u51b5\u3002\u73b0\u5728\u6211\u4eec\u5c31\u5229\u7528\u524d\u9762\u7ae0\u8282\u4e2d\u7684\u4efb\u52a1\u6570\u636e\u6765\u4e3e\u4f8b\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE WITHOUT ID T.text as \"\u4efb\u52a1\u540d\u79f0\"\nFLATTEN file.tasks as T\nWHERE T.completed AND file = this.file\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018232526.png\" alt=\"image.png|1000\" \/><\/p>\n<p><code>FLATTEN<\/code>\u00a0\u8bed\u53e5\u7684\u6240\u6709\u4f7f\u7528\u90fd\u9700\u8981\u7ed3\u5408\u00a0<code>TABLE<\/code>\u00a0\u67e5\u8be2\u7c7b\u578b\u6765\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\u73b0\u5728\u518d\u6765\u6f14\u793a\u53e6\u4e00\u79cd\u4f7f\u7528 <code>FLATTEN<\/code> \u7684\u573a\u666f\uff0c\u8fd9\u521a\u597d\u4e0e <code>GROUP BY<\/code> \u8bed\u53e5\u7ed3\u679c\u76f8\u53cd\u3002\u73b0\u5728\u6709\u4e00\u4e2a\u76ee\u5f55 <code>books<\/code> \u653e\u7f6e\u4e86\u5f88\u591a\u4e66\u7c4d\uff0c\u6bcf\u4e00\u4e2a\u6587\u6863\u4ee3\u8868\u4e00\u672c\u4e66\uff0c\u6587\u6863\u4e2d\u8bbe\u7f6e <code>genres<\/code> \u5c5e\u6027\u6765\u4f5c\u4e3a\u5206\u7c7b\uff08<code>Children<\/code>, <code>Romance<\/code>, <code>Magic<\/code> \u7b49\u7b49\uff09\uff0c\u5f53\u6211\u4eec\u4f7f\u7528 <code>TABLE genres<\/code> \u67e5\u8be2\u65f6\uff0c\u7ed3\u679c\u662f\u6bcf\u4e2a\u5206\u7c7b\u5360\u636e\u8868\u683c\u7684\u4e00\u884c\uff0c\u800c\u9ed8\u8ba4\u6587\u6863\u94fe\u63a5\u4f1a\u6839\u636e\u5206\u7c7b\u6570\u91cf\u81ea\u52a8\u5408\u5e76\u884c\uff0c\u73b0\u5728\u60f3\u8981\u76f8\u540c\u884c\u4e0d\u5408\u5e76\u663e\u793a\uff0c\u8fd9\u65f6\u5c31\u9700\u8981\u4f7f\u7528 <code>FLATTEN genres<\/code> \u6765\u5b9e\u73b0\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE genres\nFROM \"10 Example Data\/books\"\nFLATTEN genres\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018232701.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u63a5\u7740\u4e0a\u9762\u4e66\u7c4d\u7684\u6848\u4f8b\uff0c\u73b0\u5728\u60f3\u8981\u6839\u636e\u9605\u8bfb\u9875\u6570\uff08<code>pageRead<\/code>\uff09\u548c\u603b\u9875\u6570\uff08<code>totalPages<\/code>\uff09\u6765\u8ba1\u7b97\u51fa\u9605\u8bfb\u8fdb\u5ea6\uff0c\u5e76\u4e14\u8fc7\u6ee4\u6389\u8fdb\u5ea6\u5c11\u4e8e 50% \u7684\u4e66\u7c4d\uff0c\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>FLATTEN<\/code> \u6765\u58f0\u660e\u4e00\u4e2a\u65b0\u7684\u5b57\u6bb5 <code>progress<\/code> \u6765\u5b9e\u73b0\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE pagesRead, totalPages, percentage\nFROM \"10 Example Data\/books\"\nFLATTEN round((pagesRead \/ totalPages) * 100) AS progress\nWHERE progress &gt; 50\nFLATTEN progress + \"%\" AS percentage\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018232852.png\" alt=\"image.png|1000\" \/><\/p>\n<h3 id=\"8-limit-%e8%af%ad%e5%8f%a5\">8. LIMIT \u8bed\u53e5<\/h3>\n<p><code>LIMIT<\/code>\u00a0\u8bed\u53e5\u7684\u4f5c\u7528\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u9650\u5236\u7ed3\u679c\u7684\u6570\u91cf\uff0c\u4f8b\u5982\u5c06\u7ed3\u679c\u9650\u5236\u4e3a\u6700\u591a 5 \u4e2a\u503c\uff1a<code>LIMIT 5<\/code>\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e6%9f%a5%e8%af%a2%e7%b1%bb%e5%9e%8b\">\u4e8c\u3001\u67e5\u8be2\u7c7b\u578b<\/h2>\n<p>\u56e0\u4e3a\u4e0a\u9762\u57fa\u4f53\u5c06 DataView \u63d0\u4f9b\u7684\u67e5\u8be2\u7c7b\u578b\u4ecb\u7ecd\u4e86\u4e00\u904d\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u7ec6\u8bf4\uff0c\u53ea\u8865\u5145\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n<ol>\n<li>\u5bf9\u4e8e <code>LIST<\/code> \u548c <code>TASK<\/code> \u7c7b\u578b\u5982\u679c\u4e0d\u6307\u5b9a <code>FROM<\/code> \u6216 <code>WHERE<\/code> \u6761\u4ef6\u5219\u83b7\u53d6\u6574\u4e2a Obsidian \u4ed3\u5e93\u4e2d\u6240\u6709\u5217\u8868\u6216\u4efb\u52a1\u3002<\/li>\n<li><code>LIST<\/code> \u540e\u9762\u63d0\u4f9b\u989d\u5916\u7684\u4fe1\u606f\u6765\u81ea\u5b9a\u4e49\u8f93\u51fa\u7ed3\u679c\uff0c\u4f8b\u5982\uff1a<code>LIST \"File Path: \" + file.folder + \" _(created: \" + file.cday + \")_\"<\/code>\u3002<\/li>\n<li>\u4f7f\u7528 <code>GROUP BY<\/code> \u5206\u7ec4\u540e\uff0c\u6211\u4eec\u83b7\u53d6\u5206\u7ec4\u540e\u7684\u6570\u636e\u9700\u8981\u4ece <code>rows<\/code> \u5c5e\u6027\u4e2d\u8bfb\u53d6\u3002<\/li>\n<li><code>WITHOUT ID<\/code> \u53ea\u9002\u7528\u4e8e <code>LIST<\/code> \u548c <code>TABLE<\/code> \u7c7b\u578b\u3002<\/li>\n<\/ol>\n<h2 id=\"%e4%b8%89%e3%80%81%e8%a1%a8%e8%be%be%e5%bc%8f\">\u4e09\u3001\u8868\u8fbe\u5f0f<\/h2>\n<p>\u5728 DataView \u4e2d\u9664\u4e86\u67e5\u8be2\u7c7b\u578b\u548c\u6570\u636e\u547d\u4ee4\u5916\uff0c\u5176\u5b83\u6570\u636e\u7edf\u79f0\u8868\u8fbe\u5f0f\u3002<\/p>\n<p>\u5982\u679c\u4f1a JavaScript \u8bed\u8a00\uff0c\u90a3\u4e48\u5bf9\u4e8e\u6570\u5b57\uff08Number\uff09\u3001\u5e03\u5c14\u503c\uff08Boolean\uff09\u3001\u5b57\u7b26\u4e32\uff08String\uff09\u3001\u6570\u7ec4\uff08Array\uff09\u548c\u5bf9\u8c61\uff08Object\uff09\u7684\u6982\u5ff5\u4e0d\u4f1a\u611f\u5230\u964c\u751f\uff0cDataView \u8fdb\u4e00\u6b65\u63d0\u4f9b\u4e86\u65e5\u671f\u548c\u65f6\u95f4\uff08Date\uff09\u3001\u6301\u7eed\u65f6\u95f4\uff08Duration\uff09\u548c\u94fe\u63a5\uff08Link\uff09\u4e09\u79cd\u7c7b\u578b\uff0c\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n<ul>\n<li><code>1<\/code>, <code>0.5<\/code>, <code>-5<\/code> \uff1a\u6570\u5b57<\/li>\n<li><code>true<\/code>, <code>false<\/code>\uff1a\u5e03\u5c14\u503c<\/li>\n<li><code>\"Lorem ...\"<\/code>\uff1a\u6587\u672c\uff0cJavaScript \u4e2d\u4e3a\u5b57\u7b26\u4e32<\/li>\n<li><code>date(2024-04-28)<\/code>\uff1a\u65e5\u671f\u503c<\/li>\n<li><code>dur(1 day)<\/code>, <code>dur(3 minutes)<\/code>\uff1a\u6301\u7eed\u65f6\u95f4<\/li>\n<li><code>[[Link]]<\/code>, <code>[[Link#xx]]<\/code>, <code>[[Link#^xx]]<\/code> <code>[[Link#xx|xx]]<\/code>\uff1a\u94fe\u63a5<\/li>\n<li><code>[1, 2, 3]<\/code>\uff1a\u5217\u8868\uff0cJavaScript \u4e2d\u4e3a\u6570\u7ec4<\/li>\n<li><code>{a: 1, b: 2, c: [1, 2, 3]}<\/code>\uff1a\u5bf9\u8c61<\/li>\n<\/ul>\n<p>\u5728 JavaScript \u4e2d\u4e0d\u63d0\u4f9b\u51fd\u6570\u540d\u79f0\u7684\u51fd\u6570\u79f0\u4e4b\u4e3a<strong>\u533f\u540d\u51fd\u6570<\/strong>\uff0c\u6bd4\u5982\u5728\u51fd\u6570\u4e2d\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\uff1a<code>function foo() {return function() {console.log(\"Hello Dataview\")}}<\/code>\uff0c\u5728\u4f7f\u7528\u6570\u7ec4\u8fc7\u6ee4\u65f6\u6211\u4eec\u901a\u5e38\u8fd9\u6837\u5199\uff1a<code>arr.filter(function(item) {return item.xx &gt; 0})<\/code>\uff0c\u8fdb\u4e00\u6b65\u6211\u4eec\u53ef\u4ee5\u7b80\u5199\u4e3a <code>arr.filter(item =&gt; item.xx &gt; 0)<\/code>\uff0c\u8fd9\u91cc\u7684\u5199\u6cd5\u79f0\u4e4b\u4e3a<strong>\u7bad\u5934\u51fd\u6570<\/strong>\uff0c\u5b83\u4e0e\u666e\u901a\u51fd\u6570\u7684\u533a\u522b\u5c31\u4e0d\u4f5c\u8bf4\u660e\u4e86\uff0c\u5bf9\u5e94\u4e8e DataView \u4e2d\u79f0\u4e4b\u4e3a <strong>Lambdas \u8868\u8fbe\u5f0f<\/strong>\uff0c\u4f5c\u7528\u662f\u4e00\u6837\u7684\uff0c\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u662f\u53d8\u91cf\u540d\u5fc5\u9700\u52a0\u62ec\u53f7\uff0c\u4f8b\u5982 <code>(item) =&gt; item.xx &gt; 0<\/code>\u3002<\/p>\n<p>\u5728 DataView \u4e2d\u8bfb\u53d6\u53d8\u91cf\u503c\u6216\u8005\u5c5e\u6027\u503c\uff0c\u8c03\u7528\u51fd\u6570\u8bed\u6cd5\u548c JavaScript \u4e2d\u662f\u4e00\u6837\u7684\uff0c\u4f8b\u5982\u901a\u8fc7\u5bf9\u8c61\u540d+\u5c5e\u6027\u540d\uff08<code>obj.prop<\/code>\uff09\uff0c\u5bf9\u8c61\u540d+\u8ba1\u7b97\u5c5e\u6027\uff08obj[<code>item_${index}<\/code>]\uff09\uff0c\u51fd\u6570\u8c03\u7528 \uff08<code>f(a, b)<\/code>\uff09\u3002<\/p>\n<p>\u5bf9\u4e8e\u6570\u5b57\u6700\u5e38\u89c1\u5c31\u662f\u56db\u5219\u8fd0\u7b97\uff1a\u52a0\uff08<code>+<\/code>\uff09\u3001\u51cf\uff08<code>-<\/code>\uff09\u3001\u4e58\uff08<code>*<\/code>\uff09\u548c\u9664\uff08<code>\/<\/code>\uff09\uff0c\u7136\u540e\u518d\u52a0\u4e00\u4e2a\u9664\u4f59\uff08<code>%<\/code>\uff09\u8fd0\u7b97\uff0c\u6bd4\u8f83\u8fd0\u7b97\u5219\u4e3a\u5927\u4e8e\uff08<code>&gt;<\/code>\uff09\uff0c\u5c0f\u4e8e\uff08<code>&lt;<\/code>\uff09\uff0c\u7b49\u4e8e\uff08<code>=<\/code>\uff0c\u6ce8\u610f\u5728 JavaScript \u4e2d\u662f\u533a\u5206 <code>\\==<\/code> \u548c <code>\\===<\/code> \u7684\uff09\uff0c\u4e0d\u7b49\u4e8e\uff08<code>!=<\/code> \uff09\uff0c\u5927\u4e8e\u7b49\u4e8e\uff08<code>&gt;=<\/code>\uff09\u548c\u5c0f\u4e8e\u7b49\u4e8e\uff08<code>&lt;=<\/code>\uff09\u3002\u5bf9\u4e8e\u6587\u672c\u53ef\u4f7f\u7528\u52a0\u53f7\uff08<code>+<\/code>\uff09\u6765\u62fc\u63a5\u5b57\u7b26\uff0c\u4f7f\u7528 <code>\u6587\u672c * \u6570\u5b57<\/code> \u53ef\u91cd\u590d\u6587\u672c\u6307\u5b9a\u6b21\u6570\uff0c\u4f8b\u5982\uff1a<code>\"a\" * 5<\/code> \u7ed3\u679c\u4e3a\uff1a<code>\"aaaaa\"<\/code>\u3002<\/p>\n<p>\u6700\u540e\u5bf9\u4e8e\u94fe\u63a5\u7684\u6587\u4ef6\u4e2d\u7684\u5c5e\u6027\u6211\u4eec\u76f4\u63a5\u4f7f\u7528 <code>[[Link]].value<\/code> \u8bfb\u53d6\u5373\u53ef\u3002<\/p>\n<h3 id=\"1-%e6%97%a5%e6%9c%9f%e7%b1%bb%e5%9e%8b%ef%bc%88dates%ef%bc%89\">1. \u65e5\u671f\u7c7b\u578b\uff08Dates\uff09<\/h3>\n<p>\u65e5\u671f\u7c7b\u578b\u7684\u503c\u683c\u5f0f\u9700\u8981\u6ee1\u8db3 Data ISO format \u89c4\u5219\uff0c\u6211\u4eec\u901a\u5e38\u4ee5 <code>2024-04-29 11:11:23<\/code> \u6216\u8005 <code>2024\/04\/29 11:11:23<\/code> \u7684\u683c\u5f0f\u6765\u8868\u793a\u65e5\u671f+\u65f6\u95f4\uff0c\u8fd9\u66f4\u7b26\u5408\u56fd\u4eba\u7684\u4e60\u60ef\u3002<\/p>\n<p>DataView \u63d0\u4f9b\u4e86\u4e00\u4e2a <code>date()<\/code> \u51fd\u6570\u6765\u6784\u9020\u4e00\u4e2a\u65e5\u671f\u5bf9\u8c61\uff0c\u8fd9\u4e2a\u51fd\u6570\u6709 2 \u79cd\u7b7e\u540d\uff1a<code>date(any)<\/code> \u548c <code>date(text, format)<\/code>\u3002<\/p>\n<h4>\uff081\uff09<code>date(any)<\/code> \u4f7f\u7528<\/h4>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\u4f20\u5165 <code>date()<\/code> \u51fd\u6570\u7684\u65e5\u671f\u662f\u53ef\u4ee5\u4e0d\u52a0\u5f15\u53f7\u7684\uff0c\u4f8b\u5982\uff1a<code>date(2024-04-29)<\/code>\uff0c\u5bf9\u4e8e\u6709\u5177\u4f53\u65f6\u95f4\u7684\u65e5\u671f\u6211\u4eec\u4e0d\u80fd\u4ee5\uff1a<code>date(2024-04-29 11:20:20)<\/code> \u8fd9\u79cd\u5f62\u5f0f\u4f20\u5165\uff0c\u6b63\u786e\u7684\u59ff\u52bf\u662f\uff1a<code>date(2024-04-29T11:20:20)<\/code>\uff0c\u8fd9\u91cc\u7684 <code>T<\/code> \u4e3a\u65e5\u671f\u5206\u9694\u7b26\u3002DataView \u4e3a <code>date()<\/code> \u51fd\u6570\u9884\u5b9a\u4e49\u4e86\u5f88\u591a\u5177\u6709\u63cf\u8ff0\u6027\u8d28\u7684\u5e38\u91cf\u53c2\u6570\uff0c\u4f8b\u5982\uff1a<code>date(now)<\/code> \u8868\u793a\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><code>today<\/code>\uff1a\u8868\u793a\u5f53\u524d\u65e5\u671f<\/li>\n<li><code>now<\/code>\uff1a\u8868\u793a\u5f53\u524d\u65e5\u671f+\u65f6\u95f4<\/li>\n<li><code>tomorrow<\/code>\uff1a\u8868\u793a\u660e\u5929\u7684\u65e5\u671f<\/li>\n<li><code>yesterday<\/code>\uff1a\u8868\u793a\u6628\u5929\u7684\u65e5\u671f<\/li>\n<li><code>sow<\/code> \/ <code>eow<\/code>\uff1a\u8868\u793a\u5f53\u524d\u5468\u7684\u5f00\u59cb\u65e5\u671f\u548c\u7ed3\u675f\u65e5\u671f<\/li>\n<li><code>som<\/code> \/ <code>eom<\/code>\uff1a\u8868\u793a\u5f53\u524d\u6708\u7684\u5f00\u59cb\u65e5\u671f\u548c\u7ed3\u675f\u65e5\u671f<\/li>\n<li><code>soy<\/code> \/ <code>eoy<\/code>\uff1a\u8868\u793a\u5f53\u524d\u5e74\u4efd\u7684\u5f00\u59cb\u65e5\u671f\u548c\u7ed3\u675f\u65e5\u671f<\/li>\n<\/ul>\n<blockquote><p>\n  \u6ce8\uff1a<code>so<\/code> \u4e3a <code>start of<\/code> \u7684\u7f29\u5199, <code>eo<\/code> \u4e3a <code>end of<\/code> \u7684\u7f29\u5199\u3002\n<\/p><\/blockquote>\n<p>\u4e0b\u9762\u4f7f\u7528\u5185\u8054 DQL \u67e5\u8be2\u6765\u6f14\u793a\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">\u65e5\u671f:: 2024-04-29\n\u65f6\u95f4:: 2024\/04\/29 11:01:20\n`= this.\u65e5\u671f` %% 2024-04-29 %%\n`= this.\u65f6\u95f4` %% 2024\/04\/29 11:01:20 %%\n\u73b0\u5728\u65f6\u95f4\uff1a`= date(now)` %% \u73b0\u5728\u65f6\u95f4\uff1a2024-04-29 13:04:05 %%\n\u6307\u5b9a\u65e5\u671f1\uff1a`= date(2024-04-29)` %% 2024-04-29 %%\n\u6307\u5b9a\u65e5\u671f2\uff1a`= date(\"2020-04-18\")` %% 2024-04-18 %%\n\u6307\u5b9a\u65e5\u671f3\uff1a`= date([[2024-04-23]])` %% 2024-04-23 %%\n\u6307\u5b9a\u65f6\u95f44\uff1a`= date(2024-04-29T11:20:20)` %% 2024-04-29 11:04:20 %%\n\u6307\u5b9a\u65e5\u671f5\uff1a`= date([[Place|2021-04]])` %% \u7ed3\u679c %%\n\u6628\u5929\uff1a`= date(yesterday)`\uff0c\u660e\u5929\uff1a`= date(tomorrow)` %% \u6628\u5929\uff1a2024-04-28\uff0c\u660e\u5929\uff1a2024-04-30 %%\n\u5468\u5f00\u59cb\u4e0e\u7ed3\u675f\u65e5\u671f\uff1a`= date(sow)` \/ `= date(eow)` %% \u5468\u5f00\u59cb\u4e0e\u7ed3\u675f\u65e5\u671f\uff1a2024-04-29\u00a0\/\u00a02024-05-05 11:05:59 %%\n\u6708\u5f00\u59cb\u4e0e\u7ed3\u675f\u65e5\u671f\uff1a`= date(som)` \/ `= date(eom)` %% 2024-04-01\u00a0\/\u00a02024-04-30 11:04:59 %%\n\u5e74\u5f00\u59cb\u4e0e\u7ed3\u675f\u65e5\u671f\uff1a`= date(soy)` \/ `= date(eoy)` %%0 2024-01-01\u00a0\/\u00a02024-12-31 11:12:59 %%\n<\/code><\/pre>\n<blockquote><p>\n  \u6ce8\uff1a<code>%% %%<\/code> \u90e8\u5206\u4e3a Obsidian \u4e2d\u7684\u6ce8\u91ca\n<\/p><\/blockquote>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u6211\u4eec\u59cb\u7ec8\u4ee5 <code>xxxx-xx-xx<\/code> \u6216 <code>xxxx-xx-xxTxx:xx:xx<\/code> \u7684\u683c\u5f0f\u4f20\u5165 <code>date()<\/code> \u51fd\u6570\u4e2d\uff0c\u8fd9\u4e5f\u662f<strong>\u552f\u4e00\u5408\u6cd5\u7684\u683c\u5f0f<\/strong>\uff0c\u5176\u5b83\u4f8b\u5982\uff1a<code>date(2024\/04\/29)<\/code>, <code>date(Mon Apr 29 2024 14:45:46 GMT+0800 (\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4))<\/code> \u4ee5\u53ca <code>data(1714366864889)<\/code> \u90fd\u662f\u4e0d\u5408\u6cd5\u7684\u3002\u5982\u679c\u76f8\u8981\u4f7f\u7528\u8fd9\u4e9b\u683c\u5f0f\u4f5c\u4e3a\u8f93\u5165\u5c31\u9700\u8981\u4f7f\u7528\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u4e86\u3002\u6b64\u5916\uff0c\u6211\u4eec\u5728\u524d\u9762\u3010\u5feb\u901f\u5165\u95e8\u3011\u4e2d\u6709\u63d0\u8fc7\u4fee\u6539 Obsidian \u65e5\u671f\u8f93\u51fa\u7684\u9ed8\u8ba4\u683c\u5f0f\uff0c\u5982\u679c\u6ca1\u6709\u4fee\u6539\u53ef\u80fd\u5f97\u5230\u7684\u7ed3\u679c\u65e5\u671f\u4e3a <code>MMMM dd, yyyy<\/code> \u683c\u5f0f\uff0c\u65f6\u95f4\u4e3a <code>h:mm a - MMMM dd, yyy<\/code> \u683c\u5f0f\u3002<\/p>\n<h4>\uff082\uff09<strong>date(text, format)\u4f7f\u7528<\/strong><\/h4>\n<p><code>date()<\/code> \u51fd\u6570\u7684\u8fd9\u79cd\u4f7f\u7528\u65b9\u5f0f\u8bbe\u8ba1\u662f\u6709\u70b9\u8ba9\u4eba\u4ea7\u751f\u6b67\u4e49\uff0c\u521d\u770b\u4ee5\u4e3a\u662f\u4e00\u79cd\u7c7b\u4f3c\u65e5\u671f <code>format<\/code> \u7c7b\u4f3c\u7684\u4f5c\u7528\uff0c\u5b9e\u5219\u4e0d\u662f\u3002\u5b83\u7684\u7b2c 1 \u4e2a\u53c2\u6570\u5fc5\u987b\u662f\u6587\u672c\uff0c\u4e0d\u53ef\u4f20\u5165\u53d8\u91cf\uff0c\u7136\u540e\u7b2c 2 \u4e2a\u53c2\u6570\u4f60\u4ee5\u4e3a\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u6ee1\u8db3 Luxon \u65f6\u95f4\u5e93\u683c\u5f0f\u5316\u7684\u5b57\u7b26\uff0c\u90a3\u5c31\u7406\u89e3\u9519\u4e86\uff0c\u5b83\u771f\u6b63\u7684\u4f5c\u7528\u662f\u4e3a\u4e86\u89e3\u51b3\u4e0a\u9762\u6211\u4eec\u8bf4\u7684\u9664\u552f\u4e00\u5408\u6cd5\u683c\u5f0f\u4ee5\u5916\u7684\u8f93\u5165\uff0c\u8bf7\u770b\u4e0b\u9762\u7684\u793a\u4f8b\uff1a<\/p>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u6211\u4eec\u59cb\u7ec8\u4ee5 <code>xxxx-xx-xx<\/code> \u6216 <code>xxxx-xx-xxTxx:xx:xx<\/code> \u7684\u683c\u5f0f\u4f20\u5165 <code>date()<\/code> \u51fd\u6570\u4e2d\uff0c\u8fd9\u4e5f\u662f<strong>\u552f\u4e00\u5408\u6cd5\u7684\u683c\u5f0f<\/strong>\uff0c\u5176\u5b83\u4f8b\u5982\uff1a<code>date(2024\/04\/29)<\/code>, <code>date(Mon Apr 29 2024 14:45:46 GMT+0800 (\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4))<\/code> \u4ee5\u53ca <code>data(1714366864889)<\/code> \u90fd\u662f\u4e0d\u5408\u6cd5\u7684\u3002\u5982\u679c\u76f8\u8981\u4f7f\u7528\u8fd9\u4e9b\u683c\u5f0f\u4f5c\u4e3a\u8f93\u5165\u5c31\u9700\u8981\u4f7f\u7528\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u4e86\u3002\u6b64\u5916\uff0c\u6211\u4eec\u5728\u524d\u9762\u3010\u5feb\u901f\u5165\u95e8\u3011\u4e2d\u6709\u63d0\u8fc7\u4fee\u6539 Obsidian \u65e5\u671f\u8f93\u51fa\u7684\u9ed8\u8ba4\u683c\u5f0f\uff0c\u5982\u679c\u6ca1\u6709\u4fee\u6539\u53ef\u80fd\u5f97\u5230\u7684\u7ed3\u679c\u65e5\u671f\u4e3a <code>MMMM dd, yyyy<\/code> \u683c\u5f0f\uff0c\u65f6\u95f4\u4e3a <code>h:mm a - MMMM dd, yyy<\/code> \u683c\u5f0f\u3002<\/p>\n<h4>\uff083\uff09<strong>date(text, format) \u4f7f\u7528<\/strong><\/h4>\n<p><code>date()<\/code> \u51fd\u6570\u7684\u8fd9\u79cd\u4f7f\u7528\u65b9\u5f0f\u8bbe\u8ba1\u662f\u6709\u70b9\u8ba9\u4eba\u4ea7\u751f\u6b67\u4e49\uff0c\u521d\u770b\u4ee5\u4e3a\u662f\u4e00\u79cd\u7c7b\u4f3c\u65e5\u671f <code>format<\/code> \u7c7b\u4f3c\u7684\u4f5c\u7528\uff0c\u5b9e\u5219\u4e0d\u662f\u3002\u5b83\u7684\u7b2c 1 \u4e2a\u53c2\u6570\u5fc5\u987b\u662f\u6587\u672c\uff0c\u4e0d\u53ef\u4f20\u5165\u53d8\u91cf\uff0c\u7136\u540e\u7b2c 2 \u4e2a\u53c2\u6570\u4f60\u4ee5\u4e3a\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u6ee1\u8db3 Luxon \u65f6\u95f4\u5e93\u683c\u5f0f\u5316\u7684\u5b57\u7b26\uff0c\u90a3\u5c31\u7406\u89e3\u9519\u4e86\uff0c\u5b83\u771f\u6b63\u7684\u4f5c\u7528\u662f\u4e3a\u4e86\u89e3\u51b3\u4e0a\u9762\u6211\u4eec\u8bf4\u7684\u9664\u552f\u4e00\u5408\u6cd5\u683c\u5f0f\u4ee5\u5916\u7684\u8f93\u5165\uff0c\u8bf7\u770b\u4e0b\u9762\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">\u65e5\u671f1\uff1a`= date(\"12\/31\/2022 12:12:12\", \"MM\/dd\/yyyy HH:mm:s\")` %% 2022-12-31 12:12:12 %%\n\u65e5\u671f2\uff1a`= date(\"2023\/10\/12\", \"yyyy\/MM\/dd\")` %% 2023\/10\/12 %%\n\u65e5\u671f3\uff1a`= date(\"210313\", \"yyMMdd\")` %% 2021\/03\/13 %%\n\u65f6\u95f4\u7f00\uff08\u6beb\u79d2\uff09\uff1a`= date(\"1714366864889\", \"x\")` %% 2024-04-29 01:04:04 %%\n\u65f6\u95f4\u7f00\uff08\u79d2\uff09\uff1a`= date(\"1407287224\", \"X\")` %% 2014-08-06 09:08:04 %%\n<\/code><\/pre>\n<p>\u65e5\u671f\u683c\u5f0f\u5316\u6709\u4e13\u95e8\u7684\u51fd\u6570\u00a0<code>dateformat(date|datetime, string)<\/code>\u00a0\u6765\u5904\u7406<\/p>\n<h3 id=\"2-%e6%8c%81%e7%bb%ad%e6%97%b6%e9%97%b4%e7%b1%bb%e5%9e%8b%ef%bc%88durations%ef%bc%89\">2. \u6301\u7eed\u65f6\u95f4\u7c7b\u578b\uff08Durations\uff09<\/h3>\n<p>\u8981\u8868\u793a\u6301\u7eed\u65f6\u95f4\u7c7b\u578b\u9700\u8981\u8c03\u7528 <code>dur(any)<\/code> \u51fd\u6570\u4f20\u5165\u63cf\u8ff0\u5b57\u9762\u91cf\uff0c\u53ef\u4ee5\u63cf\u8ff0\u5e74\u3001\u6708\u3001\u65e5\u3001\u65f6\u3001\u5206\u3001\u79d2\u548c\u5468\uff0c\u4f8b\u5982\uff1a<code>dur(1 h)<\/code> \u6839\u636e\u5f53\u524d\u7684\u8bed\u8a00\u73af\u5883\u4f1a\u89e3\u6790\u6210\uff1a<code>1\u5c0f\u65f6<\/code>\u3002<\/p>\n<ul>\n<li><code>s<\/code> \/ <code>sec<\/code> \/ <code>secs<\/code> \/ <code>second<\/code> \/ <code>seconds<\/code>\uff1a\u8868\u793a <code>x\u79d2\u949f<\/code>\u3002<\/li>\n<li><code>m<\/code> \/ <code>min<\/code> \/ <code>mins<\/code> \/ <code>minute<\/code> \/ <code>minutes<\/code>\uff1a\u8868\u793a <code>x\u5206\u949f<\/code>\u3002<\/li>\n<li><code>h<\/code> \/ <code>hr<\/code> \/ <code>hrs<\/code> \/ <code>hour<\/code> \/ <code>hours<\/code>\uff1a\u8868\u793a <code>x\u5c0f\u65f6<\/code>\u3002<\/li>\n<li><code>d<\/code> \/ <code>day<\/code> \/ <code>days<\/code>\uff1a\u8868\u793a <code>x\u5929<\/code>\u3002<\/li>\n<li><code>w<\/code> \/ <code>wk<\/code> \/ <code>wks<\/code> \/ <code>week<\/code> \/ <code>weeks<\/code>\uff1a\u8868\u793a <code>x\u5468<\/code>\u3002<\/li>\n<li><code>mo<\/code> \/ <code>month<\/code> \/ <code>months<\/code>\uff1a\u8868\u793a <code>x\u4e2a\u6708<\/code>\u3002<\/li>\n<li><code>yr<\/code> \/ <code>yrs<\/code> \/ <code>year<\/code> \/ <code>years<\/code>\uff1a\u8868\u793a <code>x\u5e74<\/code>\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u57fa\u7840\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">\u5e74\uff1a`= dur(5 yr)` %% 5\u5e74 %%\n\u6708\uff1a`= dur(5 mo)` %% 5\u4e2a\u6708 %%\n\u65e5\uff1a`= dur(5 d)` %% 5\u5929 %%\n\u5c0f\u65f6\uff1a`= dur(5 h)` %% 5\u5c0f\u65f6 %%\n\u5206\u949f\uff1a`= dur(5 m)` %% 5\u5206\u949f %%\n\u79d2\u6570\uff1a`= dur(5 s)` %% 5\u79d2\u949f %%\n\u5468\uff1a`= dur(3 w)` %% 3\u5468 %%\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u770b\u4e00\u4e0b\u590d\u6742\u7684\u7ec4\u5408\u793a\u4f8b\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0 Dataview \u4f1a\u81ea\u52a8\u63a8\u7b97\u51fa\u5408\u9002\u7684\u8868\u8fbe\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">100\u5929\uff1a`= dur(100 d)` %% 3\u4e2a\u6708\u30012\u5468\u30012\u5929 %%\n36\u4e2a\u6708\uff1a`= dur(36 mo)` %% 3\u5e74 %%\n50\u5468\uff1a`= dur(50 w)` %% 1\u5e74\u30012\u5468 %%\n160\u5206\u949f\uff1a`= dur(160 m)` %% 2\u5c0f\u65f6\u300140\u5206\u949f %%\n1500\u79d2\uff1a`= dur(1500 s)` %% 25\u5206\u949f %%\n100\u5206\u949f12\u79d2\uff1a`= dur(100 m, 12 s)` %% 1\u5c0f\u65f6\u300140\u5206\u949f\u300112\u79d2\u949f %%\n3\u5e745\u4e2a\u670812\u5929\uff1a`= dur(3 yr, 5 mo, 12 d)` %% 3\u5e74\u30015\u4e2a\u6708\u30011\u5468\u30015\u5929 %%\n<\/code><\/pre>\n<p>\u9664\u4e86\u5355\u72ec\u4f7f\u7528\u5916\uff0c\u66f4\u591a\u7684\u573a\u666f\u662f\u7ed3\u5408\u00a0<code>date()<\/code>\u00a0\u51fd\u6570\u4e00\u8d77\u4f7f\u7528\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">\u8fc7\u53bb5\u5929\uff1a`= date(now) - dur(5 d)` %% 2024-04-24 17:04:02 %%\n\u8fc7\u53bb2\u5468\uff1a`= date(now) - dur(2 w)` %% 2024-04-15 17:04:02 %%\n\u660e\u5929\uff1a`= date(now) + dur(1 d)` %% 2024-04-30 17:04:02 %%\n\u5f80\u540e3\u5e74\uff1a`= date(now) + dur(3 yr)` %% 2027-04-29 17:04:02 %%\n\u5341\u79d2\u524d\uff1a`= date(now) - dur(10 m)` %% 2024-04-29 16:04:02 %%\n<\/code><\/pre>\n<h2 id=\"%e5%9b%9b%e3%80%81%e5%86%85%e7%bd%ae%e5%87%bd%e6%95%b0\">\u56db\u3001\u5185\u7f6e\u51fd\u6570<\/h2>\n<p>DataView \u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u51fd\u6570\u6765\u63d0\u9ad8\u5904\u7406\u6587\u6863\u7684\u6548\u7387\uff0c\u8fd9\u91cc\u7684\u51fd\u6570\u5b98\u65b9\u6587\u6863\u5c06\u5176\u5206\u4e3a\uff1a\u6784\u9020\u51fd\u6570\u3001\u6570\u5b57\u8ba1\u7b97\u51fd\u6570\u3001\u5bf9\u8c61\uff0c\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c\u51fd\u6570\u4ee5\u53ca\u5de5\u5177\uff08\u8f85\u52a9\uff09\u51fd\u6570\u3002<\/p>\n<h3 id=\"1-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0\">1. \u6784\u9020\u51fd\u6570<\/h3>\n<p>\u6784\u9020\u51fd\u6570\u7528\u4e8e\u6784\u5efa\u5bf9\u8c61\u7684\u5b9e\u4f8b\uff0c\u8fd9\u91cc\u7684\u5bf9\u8c61\u53ef\u4ee5\u662f\u666e\u901a JavaScript \u4e2d\u7684\u5bf9\u8c61\u3001\u5b57\u7b26\u4e32\u548c\u6570\u5b57\uff0c\u4e5f\u53ef\u4ee5\u662f DataView \u4e2d\u7684\u5217\u8868\u3001\u65e5\u671f\u3001\u6301\u7eed\u65f6\u95f4\u548c\u94fe\u63a5\u7b49\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u901a\u8fc7\u5b9e\u4f8b\u6765\u8f85\u52a9\u7406\u89e3\u6bcf\u4e2a\u51fd\u6570\uff0c\u5c31\u4e0d\u518d\u4e00\u4e00\u5217\u4e3e\u8bb2\u89e3\u4e86\u3002<\/p>\n<p>\u5bf9\u4e8e\u51fd\u6570 <code>date(any)<\/code>\uff0c<code>date(text, format)<\/code> \u4ee5\u53ca <code>dur(any)<\/code> \u6211\u4eec\u5728\u7ae0\u8282\u3010\u8868\u8fbe\u5f0f\u3011\u4e2d\u6709\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8bf7\u81ea\u884c\u56de\u987e\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u4e3e\u4f8b\u6765\u8bf4\u660e <code>object(key1, value1, ...)<\/code>, <code>list(value1, value2, ...)<\/code>, <code>number(string)<\/code> \u548c <code>string(any)<\/code> \u7684\u4f7f\u7528\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u901a\u8fc7\u5185\u8054 DQL \u67e5\u8be2\u540e\u663e\u793a\u7ed3\u679c\uff0c\u5bf9\u8c61\u663e\u793a\u4e3a\uff1a<code>key: key2: key3: value<\/code> \u7684\u5f62\u5f0f\uff0c\u800c\u5217\u8868\u4e0d\u5206\u662f\u5426\u5d4c\u5957\u7edf\u4e00\u663e\u793a\u6210 <code>value, value, ...<\/code> \u7684\u5f62\u5f0f\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">\u666e\u901a\u5bf9\u8c61\uff1a`= object(\"a\", 123)` %% a:\u00a0123 %%\n\u83b7\u53d6\u5bf9\u8c61\u7684\u503c1\uff1a`= object(\"a\", 123).a` %% 123 %%\n\u83b7\u53d6\u5bf9\u8c61\u7684\u503c2\uff1a`= extract(object(\"a\", 123), \"a\")` %% a:\u00a0123 %%\n\u5d4c\u5957\u5bf9\u8c61\uff1a`= object(\"a\", object(\"b\", object(\"c\", 123)))` %% a:\u00a0b:\u00a0c:\u00a0123 %%\n\n\u666e\u901a\u5217\u8868\uff1a`= list(1, 2, 3)` %% 1,\u00a02,\u00a03 %%\n\u5d4c\u5957\u5217\u8868\uff1a`= list(list(1, 2, 3), list(4, 5, 6))` %% 1,\u00a02,\u00a03,\u00a04,\u00a05,\u00a06 %%\n\u5bf9\u8c61\u5217\u8868\uff1a`= list(object(\"a\", 1), object(\"a\", 2))` %% a:\u00a01,\u00a0a:\u00a02 %%\n\n\u666e\u901a\u6570\u5b57\uff1a`= number(123)` %% 123 %%\n\u8d1f\u6570\uff1a`= number(-123)` %% -123 %%\n\u5c0f\u6570\uff1a`= number(1.34)` %% 1.34 %%\n\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u6570\u5b571\uff1a`= number(\"12hhh34\")` %% 12 %%\n\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u6570\u5b572\uff1a`= number(\"hhh34wer123\")` %% 34 %%\n\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u6570\u5b573\uff1a`= number(\"wer123\")` %% 123 %%\n\u975e\u6570\u5b57\uff1a`= number(\"nonnum\")` %% - %%\n\n\u666e\u901a\u5b57\u7b26\u4e32\uff1a`= string(\"hello world\")` %% hello world %%\n\u6570\u5b57\u5b57\u7b26\u4e32\uff1a`= string(123)` %% 123 %%\n\u65e5\u671f\uff1a`= string(dur(3 h))` %% 3\u5c0f\u65f6 %%\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u6211\u4eec\u4f7f\u7528\u5185\u8054 DQL \u67e5\u8be2\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u666e\u901a\u7684\u5bf9\u8c61\u5982\u4f55\u5728 DQL \u663e\u793a\u5462\uff1f\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u501f\u52a9\u00a0<code>FLATTEN<\/code>\u00a0\u8bed\u53e5\u6765\u5b9e\u73b0\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE WITHOUT ID T.name AS \u59d3\u540d, T.age AS \u5e74\u9f84\nFLATTEN object(\"name\", \"jenemy\", \"age\", 33) AS T\nWHERE file = this.file\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018234638.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u5982\u679c\u662f\u5217\u8868\u5bf9\u8c61\uff0c\u5199\u6210 <code>FLATTEN list(object(\"name\", \"jenemy\", \"age\", 33), object(\"name\", \"lulu\", \"age\", 26)) AS T<\/code> \u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u901a\u8fc7 <code>link(path, [display])<\/code> \u51fd\u6570\u5982\u4f55\u6765\u521b\u5efa\u94fe\u63a5\uff0c\u6709\u4e9b\u4ec0\u4e48\u9700\u8981\u6ce8\u610f\u7684\u70b9\u3002<\/p>\n<p>\u5047\u5982\u73b0\u5728\u6211\u4eec\u7684\u6587\u6863\u76ee\u5f55\u6811\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">|- Obsidian\n|  |- \u7b14\u8bb0\u4e00.md\n|  |- \u7b14\u8bb0\u4e8c.md\n|  \u2514\u2500 Dataview\n|    |- \u7b14\u8bb0\u4e00.md\n|    \u2514\u2500 \u7b14\u8bb0\u4e8c.md\n|- \u7b14\u8bb0\u4e00.md\n|- \u7b14\u8bb0\u4e8c.md\n\u2514\u2500 \u7b14\u8bb0\u4e09.md\n<\/code><\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u5728 <code>Obsidian\/Dataview\/\u7b14\u8bb0\u4e00.md<\/code> \u4e2d\u4f7f\u7528 <code>linK(\"\u7b14\u8bb0\u4e8c\")<\/code> \u5f15\u7528\u7b14\u8bb0\u4e8c\u3002\u4e0a\u9762\u7684\u76ee\u5f55\u6211\u6700\u540e\u4e00\u6b21\u7f16\u8f91\u505c\u7559\u5728\u4e86\u6700\u5916\u5c42\u7684\u7b14\u8bb0\u4e8c\u6587\u6863\u4e2d\uff0c\u5f53\u6211\u4eec\u70b9\u51fb\u94fe\u63a5\u65f6\u76f4\u63a5\u8df3\u5230\u4e86\u6700\u5916\u5c42\u548c\u7b14\u8bb0\u4e8c\u6587\u6863\u3002\u7136\u540e\u6211\u4eec\u518d\u6b21\u6253\u5f00\u540c\u7ea7\u7684\u7b14\u8bb0\u4e8c\u7f16\u8f91\uff0c\u53d1\u73b0\u8fd8\u662f\u8df3\u8f6c\u6700\u5916\u9762\u7684\u6587\u6863\u4e8c\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5728 Obsidian \u8fd9\u4e00\u7ea7\u76ee\u5f55\u7684\u7b14\u8bb0\u4e00\u4e2d\u521b\u5efa\u540c\u6837\u7684\u94fe\u63a5\uff0c\u64cd\u4f5c\u540e\u53d1\u73b0\u8fd8\u662f\u8df3\u5230\u4e86\u6700\u5916\u5c42\u7684\u6587\u6863\u4e8c\u3002\u7136\u540e\u6211\u4eec\u6700\u540e\u4e00\u6b21\u91cd\u65b0\u521b\u5efa\u76ee\u5f55\u548c\u6587\u6863\uff0c\u6700\u540e\u4e00\u4e2a\u521b\u5efa\u7684\u6587\u6863\u4e8c\u4e0d\u5728\u6700\u5916\u5c42\uff0c\u518d\u6b21\u64cd\u4f5c\u540e\u8fd8\u662f\u540c\u6837\u7684\u6548\u679c\uff0c\u5220\u9664\u6700\u5916\u9762\u7684\u6587\u6863\u540e\u624d\u8df3\u8f6c\u5230\u540c\u7ea7\u7684\u6587\u6863\u4e8c\u3002\u603b\u7ed3\u4e00\u4e0b\uff1a<strong><code>link()<\/code> \u51fd\u6570\u4f1a\u4ece\u6700\u5916\u5c42\u5bfb\u627e\u94fe\u63a5\u7684\u6587\u6863\uff0c\u7136\u540e\u624d\u662f\u540c\u7ea7\u76ee\u5f55\u4e0b\u7684\u6587\u6863\u3002<\/strong><\/p>\n<p>\u7ecf\u8fc7\u4e0a\u9762\u7684\u5b9e\u9a8c\u6211\u4eec\u9700\u8981\u6ce8\u610f\u7684\u662f\u5728\u6307\u5b9a\u94fe\u63a5\u65f6\u4e00\u5b9a\u8981\u52a0\u662f\u8def\u5f84\uff0c\u5982\u679c\u5728\u6587\u6863\u5185\u5f15\u7528\u4e86\u591a\u4e2a\u540c\u540d\u7684\u6587\u6863\uff0c\u6700\u597d\u4f7f\u7528\u522b\u540d\u6765\u6807\u8bc6\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= link(\"\u7b14\u8bb0\u4e8c)\"` %% \u6839\u76ee\u5f55\u4e0b\u7684\u7b14\u8bb0\u4e8c %%\n`= link(\"\/\u7b14\u8bb0\u4e8c)\"` %% \u6839\u76ee\u5f55\u4e0b\u7684\u7b14\u8bb0\u4e8c %%\n`= link(\".\/\u7b14\u8bb0\u4e8c\")` %% \u540c\u7ea7\u76ee\u5f55\u7b14\u8bb0\u4e8c %%\n`= link(\"Obsidian\/\u7b14\u8bb0\u4e8c\")` %% Obsidian \u76ee\u5f55\u4e0b\u7684\u7b14\u8bb0\u4e8c %%\n`= link(\".\/\u7b14\u8bb0\u4e8c\", \"\u522b\u540d\")` %% \u4f7f\u7528\u522b\u540d %%\n<\/code><\/pre>\n<p>\u7136\u540e\u6211\u4eec\u518d\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528\u00a0<code>embed(link, [embed?])<\/code>\u00a0\u5d4c\u5165\u56fe\u7247\u548c\u00a0<code>elink(url, [display])<\/code>\u00a0\u521b\u5efa\u5916\u90e8\u94fe\u63a5\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= embed(link(\"bg_1.jpg\"))` %% \u56fe\u7247\u4f4d\u4e8e\u9644\u4ef6\u9ed8\u8ba4\u5b58\u653e\u8def\u5f84\u4e2d %%\n`= elink(\"www.baidu.com\")` %% \u521b\u5efa\u767e\u5ea6\u5916\u90e8\u94fe\u63a5 %%\n`= elink(\"www.google.com\", \"\u8c37\u6b4c\u641c\u7d22\")` %% \u663e\u793a\u6307\u5b9a\u7684\u522b\u540d\uff0c\u800c\u975e\u5730\u5740 %%\n<\/code><\/pre>\n<p>\u6700\u540e\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u5224\u65ad\u6570\u636e\u7c7b\u578b,\uff0c\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u00a0<code>typeof(any)<\/code>\u00a0\u51fd\u6570\u6765\u5224\u65ad\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= typeof(12)` %% \"number\" %%\n`= typeof(\"abc\")` %% \"string\" %%\n`= typeof(link(\"\u7b14\u8bb0\u4e8c\"))` %% \"link\" %%\n`= typeof(list(1, 3, 4))` %% \"array\" %%\n`= typeof([1, 3, 4])` %% \"array\" %%\n`= typeof(object(\"a\", 1))` %% \"object\" %%\n`= typeof({ a: 1 })` %% \"object\" %%\n`= typeof(date(now))` %% \"date\" %%\n`= typeof(dur(1 d))` %% \"duration\" %% \n`= typeof(true)` %% \"boolean\" %%\n<\/code><\/pre>\n<h3 id=\"2-%e6%95%b0%e5%ad%97%e8%bf%90%e7%ae%97\">2. \u6570\u5b57\u8fd0\u7b97<\/h3>\n<p>\u5bf9\u4e8e\u6570\u5b57\u7684\u64cd\u4f5c\u9664\u4e86\u524d\u9762\u7ae0\u8282\u4ecb\u7ecd\u8fc7\u7684\u56db\u5219\u8fd0\u7b97\u548c\u6c42\u4f59\u8fd0\u7b97\u5916\uff0c\u6bd4\u8f83\u5e38\u89c1\u7684\u8fd8\u6709\u6c42\u6700\u5927\u503c\uff08<code>max(a, b, ..)<\/code>\uff09\u3001\u6700\u5c0f\u503c\uff08<code>min(a, b, ..)<\/code>\uff09\u3001\u6c42\u548c\uff08<code>sum(array)<\/code>\uff09\u3001\u5411\u4e0a\u53d6\u6574\uff08<code>ceil(number)<\/code>\uff09\u3001\u5411\u4e0b\u53d6\u6574\uff08<code>floor(number)<\/code>\uff09\u3001\u56db\u820d\u4e94\u5165\uff08<code>round(number, [digits])<\/code>\uff09\u3001\u5e73\u5747\u503c\uff08<code>average(array)<\/code>\uff09\u4ee5\u53ca\u5c0f\u6570\u4f4d\u622a\u65ad\uff08<code>trunc(number)<\/code>\uff09\u7b49\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">\u56db\u820d\u4e94\u5165\uff1a`= round(16.5555)` %% 17 %%\n\u4fdd\u75592\u4f4d\u5c0f\u6570\uff1a`= round(16.5555, 2)` %% 16.56 %%\n\u5c0f\u6570\u70b9\u622a\u65ad\uff1a`= trunc(-12.937)` %% -12 %%\n\u5411\u4e0b\u53d6\u6574\uff1a`= floor(12.937)` %% 12 %%\n\u5411\u4e0a\u53d6\u6574\uff1a`= ceil(12.937)` %% 13 %%\n\u6700\u5c0f\u503c\uff1a`= min(5, 2, 4, 8)` %% 2 %%\n\u6700\u5927\u503c\uff1a`= max(5, 2, 4, 8)` %% 8 %%\n\u6c42\u548c\uff1a`= sum([1, 2, 3, 5])` %% 11 %%\n\u6c42\u5e73\u5747\u503c\uff1a`= average([1, 2, 4, 5])` %% 3 %%\n\u6570\u5b57\u6570\u7ec4\u4e58\u79ef\uff1a`= product([1, 2, 3, 5])` %% 30 %%\n\u7d2f\u52a0\uff1a`= reduce([1, 3, 5], \"+\")` %% 9 %%\n\u7d2f\u9664\uff1a`= reduce([200, 10, 5], \"\/\")` %% 4 %%\n\u5b57\u7b26\u91cd\u590d\uff1a`= reduce([\"a\", 3], \"*\")` %% aaa %%\n<\/code><\/pre>\n<p>\u5728\u4f7f\u7528 <code>average()<\/code> \u65f6\u5982\u679c\u4f20\u5165\u7a7a\u6570\u7ec4\uff0c\u7ed3\u679c\u5c06\u4e3a <code>null<\/code>\uff0c\u5728\u9875\u9762\u4e2d\u6e32\u67d3\u4e3a <code>-<\/code>\uff0c\u5982\u679c\u660e\u786e\u77e5\u9053\u6709 <code>null<\/code> \u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>nonnull(array)<\/code> \u51fd\u6570\u6765\u79fb\u9664\u7a7a\u503c\u518d\u8ba1\u7b97\uff1a<code>average(nonnull([null, 1, 3, 5]))<\/code>\uff0c\u540c\u6837\u9002\u5408\u4e8e\u63a5\u6536\u6570\u7ec4\u53c2\u6570\u7684 <code>sum()<\/code> \u548c <code>product()<\/code> \u51fd\u6570\u3002<\/p>\n<p><code>minby(array, function)<\/code> \u548c <code>maxby(array, function)<\/code> \u7528\u4e8e\u6839\u636e\u6307\u5b9a\u7684\u51fd\u6570\u6765\u8fd4\u56de\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">\u6700\u5c0f\u503c\uff1a`= minby([1, 3, 5], (v) =&gt; v)` %% 1 %%\n\u5c06\u6b63\u6574\u6570\u6309\u8d1f\u6570\u8fdb\u884c\u6bd4\u8f83\u83b7\u5f97\u7684\u6700\u5c0f\u503c\uff1a`= minby([1, 2, 3], (v) =&gt; 0 - v)` %% 3 %%\n\u5bf9\u4e00\u7ec4\u5355\u8bcd\u8fd4\u56de\u6700\u957f\u7684\u8bcd\u6c47\uff1a`= maxby([\"Compute\", \"the\", \"maximum\", \"value\"], (v) =&gt; length(v))` %% maximum %%\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%b9%e8%b1%a1%e3%80%81%e6%95%b0%e7%bb%84%e5%92%8c%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%93%8d%e4%bd%9c\">3. \u5bf9\u8c61\u3001\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<p>\u8fd9\u91cc\u7684\u51fd\u6570\u5206\u4e3a\u5bf9\u8c61\u64cd\u4f5c\u3001\u6570\u7ec4\u64cd\u4f5c\uff08\u5217\u8868\uff08List\uff09\u64cd\u4f5c\u5176\u5b9e\u4e5f\u662f\u6570\u7ec4\u64cd\u4f5c\uff09\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c\u4ee5\u53ca\u540c\u65f6\u4f5c\u7528\u4e8e\u591a\u79cd\u7c7b\u578b\u7684\u51fd\u6570\u3002\u5bf9\u4e8e\u6570\u7ec4\u7684\u64cd\u4f5c\u6709\u4e00\u5b9a\u7f16\u7a0b\u7ecf\u9a8c\u7684\u8bfb\u8005\u5bf9\u4e8e\u50cf\u6620\u5c04\uff08<code>map(array, func)<\/code>\uff09\u3001\u8fc7\u6ee4\uff08 <code>filter(array, predicate)<\/code>\uff09\u3001\u5408\u5e76\uff08<code>join(array, [delimiter])<\/code>\uff09\u3001\u6570\u7ec4\u5c55\u5f00\uff08<code>flat(array, [depth])<\/code>\uff09\u3001\u6570\u7ec4\u5207\u7247\uff08<code>slice(array, [start, [end]])<\/code>\uff09\u4ee5\u53ca\u6392\u5e8f\uff08<code>sort(list)<\/code>\uff09\u548c\u9006\u8f6c\uff08<code>reverse(list)<\/code>\uff09\u4e0d\u4f1a\u964c\u751f\uff0c\u7136\u540e\u8fd9\u91cc\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u6ca1\u6709 <code>length<\/code> \u5c5e\u6027\uff0c\u9700\u8981\u901a\u8fc7 <code>length(object|array)<\/code> \u51fd\u6570\u6765\u83b7\u53d6\u3002<\/p>\n<p>\u4e0b\u9762\u901a\u8fc7\u4e00\u4e9b\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u8fd9\u4e9b\u6570\u7ec4\u51fd\u6570\u7684\u7528\u6cd5\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= map([\"Ctrl\", \"Shift\", \"Alt\"], (v) =&gt; \"&lt;kbd&gt;\" + v + \"&lt;\/kbd&gt;\")` %% Ctrl,\u00a0Shift,\u00a0Alt %%\n`= filter([true, false, true, true, false], (v) =&gt; !v)` %% false,\u00a0false %%\n`= join([\"a\", \"b\", \"c\"], \",\")` %% a,b,c %%\n`= flat([1, [2, 3], [4, 5, [6, 7]], 8])` %% 1,\u00a02,\u00a03,\u00a04,\u00a05,\u00a06,\u00a07,\u00a08 %%\n`= slice([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 1, 3)` %% 1, 2 %%\n`= sort([\"foo\", \"bar\", \"baz\"])` %% bar,\u00a0baz,\u00a0foo %%\n`= reverse([1, 2, 3, 4, 5])` %% 5,\u00a04,\u00a03,\u00a02,\u00a01 %%\n`= length([1, 2, 3])` %% 3 %%\n<\/code><\/pre>\n<p>\u5bf9\u4e8e\u51fd\u6570 <code>flat(array, [depth])<\/code>\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ea\u5c55\u5f00\u7b2c\u4e00\u7ea7\u6570\u7ec4\uff08<code>depth = 1<\/code>\uff09\uff0c\u4e0b\u9762\u6211\u4eec\u5728 DQL \u67e5\u8be2\u4e2d\u770b\u4e00\u4e0b\u4e00\u4e2a 4 \u5c42\u6570\u7ec4 <code>[1, [2, [3, [4, [5, 6]]]]]<\/code> \u5206\u522b\u4f7f\u7528\u9ed8\u8ba4\u548c <code>depth = 3<\/code> \u7684\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE WITHOUT ID T\nFLATTEN flat([1, [2, [3, [4, [5, 6]]]]], 1) as T\nWHERE file = this.file\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241018235254.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f <code>slice(array, [start, [end]])<\/code> \u51fd\u6570\u6240\u8fd4\u56de\u7684\u5207\u7247\u6570\u7ec4\u662f\u4e0d\u5305\u542b <code>end<\/code> \u6240\u5728\u7d22\u5f15\u7684\u503c\u3002<code>start<\/code> \u548c <code>end<\/code> \u90fd\u662f\u53ef\u9009\u503c\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u4e0d\u4f20\u503c\u5c31\u76f4\u63a5\u8fd4\u56de\u4e00\u65b0\u6570\u7ec4\uff0c\u5982\u679c\u662f\u4f20\u4e00\u4e2a\u503c\u5219\u8fd4\u56de <code>start<\/code> \u6240\u5728\u4f4d\u7f6e\u7684\u7d22\u5f15\u5230\u6570\u7ec4\u957f\u5ea6\u7684\u503c\uff0c\u5982\u679c 2 \u4e2a\u503c\u90fd\u4f20\u5219\u8fd4\u56de\u4f4d\u4e8e <code>[start, end)<\/code> \u524d\u5f00\u540e\u95ed\u7d22\u5f15\u533a\u95f4\u7684\u503c\u3002\u5982\u679c\u6211\u4eec\u6307\u5b9a\u7684\u7d22\u5f15\u503c\u5927\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\u6700\u540e\u8fd8\u53ef\u4ee5\u8f93\u5165\u8d1f\u6570\u4f5c\u4e3a <code>start<\/code> \u548c <code>end<\/code> \u7684\u503c\uff0c\u7ed3\u679c\u53d6\u7684\u662f\u8d1f\u6570\u503c\u52a0\u4e0a\u6570\u7ec4\u957f\u5ea6\u540e\u7684\u7d22\u5f15\u503c\uff08\u5982\u679c\u662f\u8d1f\u6570\u503c\u6211\u4eec\u5012\u7740\u6570\u7d22\u5f15\u548c\u52a0\u4e0a\u6570\u7ec4\u957f\u5ea6\u662f\u4e00\u6837\u7684\u7ed3\u679c\uff09\u3002<\/p>\n<p><code>sort(list)<\/code> \u51fd\u6570\u5bf9\u4e8e\u6570\u5b57\u6309\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\uff0c\u5373\u5347\u5e8f\u6392\u5e8f\uff0c<code>sort([1, 3, 23, 8, 2])<\/code> \u7ed3\u679c\u4e3a <code>1, 2, 3, 8, 23<\/code>\u3002\u5bf9\u4e8e\u5b57\u7b26\u4e32\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f\uff0c\u6309\u540c\u4e00\u4e2a\u5b57\u6bcd\u7684\u5c0f\u5199\u5b57\u6bcd\uff0c\u5927\u5199\u5b57\u6bcd\u7684\u987a\u5e8f\u6392\u5e8f\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u76f8\u540c\u5219\u6309\u540c\u6837\u7684\u89c4\u5219\u4ee5\u6b21\u6392\u5e8f\uff0c<code>sort([\"A\", \"B\", \"c\", \"d\", \"a\", \"E\"])<\/code> \u7ed3\u679c\u4e3a\uff1a<code>a,\u00a0A,\u00a0B,\u00a0c,\u00a0d,\u00a0E<\/code>\uff0c\u800c\u975e <code>a, c, d, A, B, E<\/code>\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e2a\u91cd\u8981\u7684\u51fd\u6570 <code>contains(object|list|string, value)<\/code> \u548c\u5176\u53d8\u79cd\uff0c\u8fd9\u4e2a\u51fd\u6570\u7684\u4f5c\u7528\u662f\u7528\u4e8e\u5224\u65ad\u5728\u5bf9\u8c61\u3001\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u7ed9\u5b9a\u7684\u5b57\u7b26\uff08\u4e32\uff09\uff0c\u5bf9\u4e8e\u5bf9\u8c61\u6211\u4eec\u5173\u6ce8\u7684\u662f\u662f\u5426\u5305\u542b\u67d0\u4e2a\u952e\u503c\uff0c\u6570\u7ec4\u5219\u662f\u5426\u5305\u542b\u67d0\u4e2a\u6570\u7ec4\u9879\u503c\uff0c\u5b57\u7b26\u4e32\u5219\u662f\u5224\u65ad\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u5b57\u7b26\uff08\u4e32\uff09\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= contains(object(\"a\", 1, \"b\", 2), \"a\")` %% true %%\n\u5f53\u524d\u6587\u4ef6\u540d\u662f\u5426\u5305\u542b\u65e5\u671f\uff1a`= contains(this.file, \"day\")` %% false %%\n`= contains(list(1, 2, 3), 3)` %% true %%\n`= contains([], 3)` %% false %%\n`= contains(\"abcdefg\", \"bc\")` %% true %%\n`= contains(\"abcdefg\", \"BC\")` %% false %%\n<\/code><\/pre>\n<p>\u4ece\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\u6211\u4eec\u4f1a\u53d1\u73b0 <code>contains()<\/code> \u51fd\u6570\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\uff0c\u5982\u679c\u60f3\u8981\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 <code>icontains(object|list|string, value)<\/code> \u51fd\u6570\u3002<\/p>\n<blockquote><p>\n  \u6ce8\uff1a<code>icontains()<\/code> \u51fd\u6570\u4e2d\u7684\u5b57\u6bcd <code>i<\/code> \u662f Ignore Case \u7684\u610f\u601d\u3002\n<\/p><\/blockquote>\n<p>\u4e0b\u9762\u770b\u4e00\u4e0b\u4f7f\u7528 <code>contains()<\/code> \u548c <code>icontains()<\/code> \u51fd\u6570\u7684\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= contains([\"acb\", \"bcd\", \"efg\", \"egk\"], \"cb\")` %% true %%\n`= icontains([\"abc\", \"Abc\", \"ABC\", \"abC\"], \"Bc\")` %% true %%\n<\/code><\/pre>\n<p>\u6ce8\u610f\u5230\u5728\u6570\u7ec4\u4e2d\u53ea\u662f\u5305\u542b\u4e86 <code>value<\/code> \u503c\uff0c\u4f46\u4e0d\u662f\u76f8\u540c\uff0c\u56e0\u6b64\u5728\u9700\u8981\u5224\u65ad\u5b57\u7b26\u4e32\u786e\u5207\u76f8\u7b49\u65f6\uff0c\u8fd8\u9700\u8981\u4f7f\u7528\u53e6\u5916\u4e00\u4e2a\u51fd\u6570\uff1a<code>econtains(object|list|string, value)<\/code>\uff0c\u5b83\u80fd\u591f\u5224\u65ad\u662f\u5426\u5305\u542b\u5b8c\u6574\u7684 <code>value<\/code> \u503c\u3002<\/p>\n<p>\u7ee7\u7eed\u770b\u4e0b\u9762\u4e00\u4e2a <code>icontains()<\/code> \u51fd\u6570\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= icontains([\"foo\", \"bar\", \"baz\"], \"bA\")` %% true %%\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u76f8\u8981\u5728\u5ffd\u7565\u5927\u5c0f\u5199\u7684\u60c5\u51b5\u4e0b\u6765\u5224\u65ad\u6570\u7ec4\u9879\u662f\u5426\u5305\u542b\u67d0\u4e2a\u5355\u8bcd\uff0c\u800c\u4e0d\u662f\u90e8\u5206\u5b57\u7b26\u65f6\uff0c<code>icontains()<\/code> \u51fd\u6570\u5c31\u663e\u5f97\u6349\u895f\u89c1\u8098\u4e86\uff0c\u8fd9\u4fbf\u5f15\u5165\u4e86\u6700\u540e\u4e00\u4e2a\u548c <code>contains<\/code> \u76f8\u5173\u7684\u51fd\u6570 <code>containsword(list|string, value)<\/code>\uff0c\u8fd9\u4e2a\u51fd\u6570\u4e0d\u4f5c\u7528\u4e8e\u5bf9\u8c61\uff0c\u56e0\u4e3a\u6839\u636e\u90e8\u5206\u5b57\u7b26\u53bb\u83b7\u53d6\u4e00\u4e2a\u5bf9\u8c61\u7684\u952e\u503c\u6ca1\u6709\u610f\u4e49\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= containsword(\"foo, bar, baz, ba\", \"bA\")` %% true %%\n`= containsword([\"foo\", \"bar\", \"baz\", \"ba\"], \"bA\")` %% false, false, false, true %%\n<\/code><\/pre>\n<p>\u4ece\u7ed3\u679c\u6765\u770b\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32\u8fd4\u56de\u5224\u65ad\u7684\u7ed3\u679c\uff0c\u4f46\u662f\u5bf9\u4e8e\u5217\u8868\u5b83\u4f1a\u8fd4\u56de\u5217\u8868\u4e2d\u6bcf\u4e00\u4e2a\u5217\u8868\u9879\u662f\u5426\u5305\u542b <code>value<\/code> \u503c\u7684\u4e00\u4e2a\u5e03\u5c14\u6570\u7ec4\u3002\u8fd9\u4e2a\u7ed3\u679c\u6570\u7ec4\u6709\u4ec0\u4e48\u7528\u5462\uff0c\u5176\u5b9e\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4f7f\u7528 <code>filter()<\/code> \u51fd\u6570\u6765\u8fc7\u6ee4\u4e3a <code>true<\/code> \u7684\u7ed3\u679c\uff0c\u4f46\u662f\u8fd9\u91cc\u6beb\u65e0\u610f\u4e49\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u56e0\u4e3a\u5728 <strong>DQL \u67e5\u8be2\u8bed\u8a00\u4e2d\u63d0\u4f9b\u7684\u6240\u6709\u6570\u7ec4\u904d\u5386\u51fd\u6570\u5e76\u6ca1\u6709\u5728\u904d\u5386\u6761\u4ef6\u51fd\u6570\u4e2d\u63d0\u4f9b\u6570\u7ec4\u9879\u7684\u7d22\u5f15\u503c<\/strong>\uff0c\u6211\u4eec\u65e0\u6cd5\u786e\u5207\u77e5\u9053\u662f\u6570\u7ec4\u4e2d\u7b2c\u51e0\u4e2a\u503c\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4e0a\u9762\u5df2\u7ecf\u4ecb\u7ecd\u5927\u90e8\u5206\u64cd\u4f5c\u51fd\u6570\u4e86\uff0c\u63a5\u4e0b\u6765\u770b\u51e0\u4e2a\u6570\u7ec4\u9879\u5224\u65ad\u7684\u51fd\u6570\uff0c\u5b83\u4eec\u7684\u7279\u70b9\u662f\u53ea\u9700\u8981\u4f20\u5165\u6570\u7ec4\uff0c\u7136\u540e\u8fd4\u56de\u4e00\u4e2a\u5e03\u4ec0\u503c\uff0c\u5176\u4e2d <code>all(array)<\/code> \u51fd\u6570\u8981\u6c42\u6570\u7ec4\u9879\u76ee\u4e2d\u6240\u6709\u503c\u5747\u4e3a <code>true<\/code> \u7684\u60c5\u51b5\u4e0b\u624d\u8fd4\u56de <code>true<\/code>\uff0c<code>any(array)<\/code> \u51fd\u6570\u53ea\u8981\u5176\u4e2d\u6709\u4e00\u4e2a\u503c\u4e3a <code>true<\/code> \u7ed3\u679c\u5c31\u8fd4\u56de <code>true<\/code> \u503c\uff0c\u6700\u540e\u4e00\u4e2a\u662f <code>none(array)<\/code> \u51fd\u6570\uff0c\u5b83\u5176\u5b9e\u5c31\u662f <code>all()<\/code> \u51fd\u6570\u7684\u7ed3\u679c\u53d6\u53cd\u3002<\/p>\n<p>\u8fd9 3 \u4e2a\u51fd\u6570\u5747\u53ef\u4f20\u5165\u4e00\u4e2a\u5224\u65ad\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6765\u6839\u636e\u6761\u4ef6\u8fd4\u56de\u7ed3\u679c\uff0c\u4e0b\u9762\u662f\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= all([\"\", 0, null, false])` %% false %%\n`= all(1, \"a\", false)` %% false %%\n`= none([\"\", 0, null, false])` %% true %%\n`= any([\"\", 1, null, false])` %% true %%\n`= all([1, 2, 5, 8], (v) =&gt; v &gt; 1)` %% false %%\n`= any([1, 2, 5, 8], (v) =&gt; v % 2 = 0)` %% true %%\n`= none([1, 2, 5, 8], (v) =&gt; v &gt; 10)` %% true %%\n<\/code><\/pre>\n<blockquote><p>\n  [!Tips] \u5728 JavaScript \u4e2d <code>null<\/code>, <code>\"\"<\/code>, <code>0<\/code> \u5747\u4ee3\u8868\u5047\u503c\uff0cDQL \u67e5\u8be2\u8bed\u8a00\u4e2d\u4e5f\u4f7f\u7528\u4e86\u540c\u6837\u7684\u89c4\u5219\u3002\n<\/p><\/blockquote>\n<p>\u6700\u540e\u8fd8\u5269\u4e0b 2 \u4e2a\u51fd\u6570\u6765\u7ed3\u675f\u672c\u5c0f\u8282\uff0c<code>nonull(array)<\/code> \u51fd\u6570\u7528\u4e8e\u5c06\u4e00\u4e2a\u5305\u542b <code>null<\/code> \u503c\u7684\u6570\u7ec4\u9879\u79fb\u9664\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002<code>length(object|array)<\/code> \u51fd\u6570\u7528\u4e8e\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5bf9\u8c61\u7684\u5c5e\u6027\u6570\u91cf\uff0c\u56e0\u4e3a\u6bd4\u8f83\u7b80\u5355\u5c31\u4e0d\u4e3e\u4f8b\u8bf4\u660e\u4e86\u3002<code>extract(object, key1, key2, ...)<\/code> \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5bf9\u8c61\u7684\u591a\u4e2a\u503c\uff0c\u8bf7\u53c2\u8003\u524d\u9762\u7ae0\u8282\u4e2d\u7684\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n<h3 id=\"4-%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%93%8d%e4%bd%9c\">4. \u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<p>\u8fd9\u4e00\u5c0f\u8282\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u4f7f\u7528 DataView \u67e5\u8be2\u6570\u636e\u65f6\u9700\u8981\u4f5c\u5404\u79cd\u5224\u65ad\uff0c\u8fd9\u91cc\u7684\u5f88\u591a\u51fd\u6570\u4f1a\u7ecf\u5e38\u88ab\u4f7f\u7528\u5230\uff0c\u9664\u4e86\u8f6c\u6362\u6210\u5927\u5199\uff08<code>upper(string)<\/code>\uff09\u548c\u8f6c\u6362\u6210\u5c0f\u5199\uff08<code>lower(string)<\/code>\uff09\u51fd\u6570\u6bd4\u8f83\u76f4\u89c2\u7b80\u5355\u5916\u5176\u5b83\u51fd\u6570\u6211\u4eec\u5355\u72ec\u6765\u8bb2\u89e3\u3002<\/p>\n<p><code>regextest<\/code> \/ <code>regexmatch<\/code> \/ <code>regexreplace<\/code> \/ <code>replace<\/code> \u51fd\u6570<\/p>\n<p>\u8fd9 4 \u4e2a\u51fd\u6570\u5747\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5224\u65ad\u4f20\u5165\u7684 <code>string<\/code> \u662f\u5426\u5339\u914d <code>pattern<\/code>\u3002<code>regextest(pattern, string)<\/code> \u548c <code>regexmatch(pattern, string)<\/code> \u4e24\u4e2a\u51fd\u6570\u7684\u4f7f\u7528\u662f\u4e00\u6837\u7684\uff0c\u53ea\u4e0d\u8fc7\u5224\u65ad\u7684\u89c4\u5219\u4e0d\u4e00\u6837\uff0c\u524d\u8005\u53ea\u9700\u8981\u90e8\u5206\u5339\u914d\u5c31\u8fd4\u56de\u6210\u529f\uff0c\u800c\u540e\u8005\u8981\u6c42\u5b8c\u5168\u5339\u914d\u89c4\u5219\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= regextest(\"foo\", \"foo bar baz\")` %% true %%\n`= regexmatch(\"foo\", \"foo bar baz\")` %% false %%\n<\/code><\/pre>\n<p>\u4e0b\u9762\u4e3e\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\uff0c\u5728 <a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fobsidian-life-os.netlify.app%2Fzh%2Findex.html\" title=\"https:\/\/obsidian-life-os.netlify.app\/zh\/index.html\">LifeOS for Obsidian (obsidian-life-os.netlify.app)<\/a> \u7684\u793a\u4f8b\u9879\u76ee\u4e2d\u8fd4\u56de\u6240\u6709\u672a\u5b8c\u6210\u7684\u4efb\u52a1\u65f6\u8fc7\u6ee4\u6389\u76ee\u5f55 Templates \u4e2d\u7684\u6a21\u677f\u6587\u4ef6\uff08Daily.md, Monthly.md, Quarterly.md, Weekly.md \u548c Yearly.md\uff09\u4e2d\u7684\u4efb\u52a1\u5e76\u6309\u6587\u4ef6\u94fe\u63a5\u5730\u5740\u5206\u7ec4\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">TASK\nWHERE !regextest(\"Templates\", file.folder) AND !completed\nGROUP BY file.link\n<\/code><\/pre>\n<p>\u4e0a\u9762\u4f8b\u5b50\u4e2d\u4e0d\u80fd\u4f7f\u7528 <code>regexmatch()<\/code> \u51fd\u6570\uff0c\u56e0\u4e3a <code>file.folder<\/code> \u7684\u503c\u662f\u5305\u542b\u8def\u5f84\u7684\uff0c\u5982\u679c\u4f7f\u7528\u5b83\u5c31\u53ea\u662f\u5339\u914d\u4e86 <code>Templates<\/code> \u8fd9\u4e2a\u5b57\u7b26\u4e32\uff0c\u8fbe\u4e0d\u5230\u9884\u671f\u7684\u7ed3\u679c\u3002<\/p>\n<p><code>regexreplace(string, pattern, replacement)<\/code> \u51fd\u6570\u7528\u4e8e\u6b63\u5219\u66ff\u6362\u5b57\u7b26\u4e32\uff0c\u4f8b\u5982\u5c06\u65e5\u671f\u683c\u5f0f <code>2024-05-02<\/code> \u66ff\u6362\u6210 <code>05\/02\/2024<\/code>\uff0c\u5b83\u540c\u6837\u652f\u6301\u50cf JavaScript \u7684 <code>replace()<\/code> \u51fd\u6570\u4e2d\u90a3\u6837\u5728 <code>replacement<\/code> \u4e2d\u4f7f\u7528 <code>$1<\/code> \u6765\u5339\u914d\u6355\u83b7\u7684\u7b2c\u4e00\u4e2a\u5206\u7ec4\uff0c\u7136\u540e\u4f9d\u6b21\u7c7b\u63a8\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= regexreplace(\"2024-05-02\", \"(\\d{4})-(\\d{2})-(\\d{2})\", \"$2\/$3\/$1\")` %% 05\/02\/2024 %%\n<\/code><\/pre>\n<p><code>replace(string, pattern, replacement)<\/code> \u51fd\u6570\u867d\u7136\u51fd\u6570\u7b7e\u540d\u540c <code>regexreplace()<\/code> \u51fd\u6570\uff0c\u4f46\u662f\u53ea\u80fd\u7528\u4e8e\u666e\u901a\u7684\u5e7f\u897f\u66ff\u6362\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u5bf9\u6bd4\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= regexreplace(\"\u4ece 2024-05-02 \u81f3 2024-05-03\", \"(\\d{4})-(\\d{2})-(\\d{2})\", \"$2\/$3\/$1\")` %% \u4ece 05\/02\/2024 \u81f3 05\/03\/2024 %%\n`= replace(\"\u4ece 2024-05-02 \u81f3 2024-05-03\", \"(\\d{4})-(\\d{2})-(\\d{2})\", \"$2\/$3\/$1\")` %% \u4ece 2024-05-02 \u81f3 2024-05-03 %%\n`= regexreplace(\"foo bar baz, and bar again\", \"bar\", \"BAR\")` %% foo BAR baz, and BAR again %%\n`= replace(\"foo bar baz, and bar again\", \"bar\", \"BAR\")` %% foo BAR baz, and BAR again %%\n`= regexreplace(\"foo123foo456foo\", \"\\d+\", \"\")` %% foofoofoo %%\n`= replace(\"foo123foo456foo\", \"\\d+\", \"\")` %% foo123foo456foo %%\n<\/code><\/pre>\n<p>\u524d\u9762\u5728\u4ecb\u7ecd <code>date()<\/code> \u51fd\u6570\u65f6\uff0c\u6211\u4eec\u63d0\u53ca\u8fc7\u5b83\u4e0d\u80fd\u89e3\u6790\u4f7f\u7528 JavaScript \u65e5\u671f\u51fd\u6570 <code>new Date()<\/code> \u5f97\u5230\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\uff0c\u73b0\u5728\u6211\u4eec\u6765\u4e3e\u4e00\u4e2a\u5e76\u65e0\u5b9e\u9645\u7528\u5904\u7684\u4f8b\u5b50\uff0c\u800c\u4e14\u8fd8\u6f0f\u6d1e\u767e\u51fa\u3002\u4e0b\u9762\u662f\u5728\u6587\u6863 <code>\u7b14\u8bb0\u4e8c.md<\/code> \u4e2d\u7684 5 \u4e2a\u4efb\u52a1\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">- [ ] ChinaDate: Thu May 02 2024 23:19:23 GMT+0800 (\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4) \n- [ ] \u65e5\u671f\uff1aSun Jan 23 2022 08:00:00 GMT+0800 (\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4)\n- [x] \u53bb\u5e74\uff1aMon Nov 13 2023 08:00:00 GMT+0800 (\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4)\n- [ ] 2023-08-20 \u707c\u707c\u51fa\u751f\n- [ ] \u4e0d\u5305\u542b\u65e5\u671f\n<\/code><\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u60f3\u8981\u8fc7\u6ee4\u6389\u4e0d\u5305\u542b\u65e5\u671f\u7684\u4efb\u52a1\uff0c\u540c\u65f6\u628a\u65e5\u671f\u63d0\u53d6\u51fa\u6765\uff0c\u5c06\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\u663e\u793a\u6210 <code>xxxx-xx-xx<\/code> \u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4e0b\u9762\u662f\u4f5c\u8005\u7684\u4e00\u4e2a\u5c1d\u8bd5\u53c2\u8003\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE Date, T.text\nFLATTEN file.tasks AS T\nFLATTEN {\"Jan\": \"01\", \"Feb\": \"02\", \"Mar\": \"03\", \"Apr\": \"04\", \"May\": \"05\", \"Jun\": \"06\", \"Jul\": \"07\", \"Aug\": \"08\", \"Sep\": \"09\", \"Oct\": \"10\", \"Nov\": \"11\", \"Dec\": \"12\"} AS monthObj\nFLATTEN regextest(\"\\d{4}-\\d{2}-\\d{2}\", T.text) AS isRegularDate\nFLATTEN regextest(\"([A-Z]+[a-z]{2}\\s)+\\d{2}\\s\\d{4}\\s\\d{2}:\\d{2}:\\d{2}\\sGMT\\+0800\\s\\(\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\\)\", T.text) AS isCHDate\nWHERE file = this.file AND (isCHDate OR isRegularDate)\nFLATTEN choice(isRegularDate, T.text, monthObj[split(T.text, \" \")[1]]) AS Month\nFLATTEN choice(isCHDate, split(T.text, \" \")[2], \"\") AS Day\nFLATTEN choice(isCHDate, split(T.text, \" \")[3], \"\") AS Year\nFLATTEN choice(isCHDate, Year + \"-\" + Month + \"-\" + Day, split(T.text, \" \")[0]) AS Date\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241019000322.png\" alt=\"image.png|1000\" \/><\/p>\n<p>\u4ee3\u7801\u5206\u6790\uff1a<\/p>\n<ol>\n<li>\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528 <code>FLATTEN xx AS xx<\/code> \u8bed\u53e5\u6765\u58f0\u660e\u4e00\u4e2a\u65b0\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u4f7f\u7528\u4e86 <code>regextest()<\/code> \u51fd\u6570\u6765\u5339\u914d <code>xxxx-xx-xx<\/code> \u683c\u5f0f\u65e5\u671f\u548c\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\u65e5\u671f\u3002<\/li>\n<li>\u4f7f\u7528 <code>choice()<\/code> \u51fd\u6570\u6765\u6267 IF \u7c7b\u5224\u65ad\u3002<\/li>\n<li>\u4f7f\u7528\u4e86 <code>split()<\/code> \u51fd\u6570\u6765\u5c06\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\u6309\u7a7a\u683c\u5206\u7ec4\u5e76\u4ece\u6570\u7ec4\u4e2d\u6309\u7d22\u5f15\u83b7\u53d6\u65e5\u671f\u6570\u636e\uff0c\u5c06\u6708\u4efd\u82f1\u8bed\u8868\u793a\u66ff\u6362\u6210\u6570\u5b57\u8868\u793a\u3002<\/li>\n<li>\u7b2c\u4e00\u6761\u4efb\u52a1\u89e3\u6790\u5931\u8d25\u4e86\uff0c\u56e0\u4e3a <code>ChinaDate:<\/code> \u540e\u9762\u6709\u4e00\u4e2a\u7a7a\u683c\uff0c\u5bfc\u81f4\u65e5\u671f\u63d0\u53d6\u65f6\u7d22\u5f15\u4e0d\u5bf9\uff0c\u6240\u4ee5\u8fd9\u4e2a\u65b9\u6cd5\u5f88\u6709\u5c40\u9650\u6027\u3002\u540c\u6837\u5728\u5904\u7406\u6700\u540e\u4e00\u6761\u6570\u636e\u65f6\uff0c\u4e5f\u662f\u786c\u7f16\u7801\u5b9e\u73b0\uff0c\u4e00\u65e6\u591a\u4e2a\u7a7a\u683c\u5c06\u5bfc\u81f4\u7ed3\u679c\u89e3\u6790\u51fa\u9519\u3002<\/li>\n<\/ol>\n<p>\u4ece\u4e0a\u9762\u7684\u4f8b\u5b50\u5206\u6790\u6765\u770b\uff1a\u5728 DQL \u67e5\u8be2\u8bed\u53e5\u4e2d\u4e0d\u80fd\u5b9e\u73b0\u5b57\u7b26\u63d0\u53d6\u64cd\u4f5c\uff08\u867d\u7136\u6709 <code>substring()<\/code> \u548c <code>slice()<\/code> \u51fd\u6570\u53ef\u4ee5\u63d0\u53d6\u5b50\u4e32\uff0c\u4f46\u662f\u524d\u63d0\u662f\u8981\u80fd\u591f\u83b7\u53d6\u5230\u5339\u914d\u503c\u7684\u7d22\u5f15\uff09\u3002\u56e0\u6b64\u590d\u6742\u7684\u64cd\u4f5c\u8fd8\u662f\u4f7f\u7528\u540e\u9762\u8981\u8bb2\u89e3\u7684 DataView JS \u67e5\u8be2\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<p><code>starstwith<\/code> \/ <code>endswith<\/code> \u51fd\u6570<\/p>\n<p>\u8fd9\u4e8c\u4e2a\u51fd\u6570\u5b9e\u7528\u6ca1\u6709\u4ec0\u4e48\u597d\u8bb2\u89e3\u7684\uff0c<code>startswith(string, prefix)<\/code> \u51fd\u6570\u7528\u4e8e\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u7ed9\u5b9a\u7684\u524d\u7f00\u5f00\u5934\u3002\u800c <code>endswith(string, suffix)<\/code> \u51fd\u6570\u5219\u662f\u4ee5\u7279\u5b9a\u540e\u7f00\u7ed3\u5c3e\u3002<\/p>\n<p>\u4f7f\u7528 <code>startswith()<\/code> \u51fd\u6570\u5728\u83b7\u53d6\u201c\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\u201d\u7cfb\u5217\u7b14\u8bb0\u6587\u6863\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE file.name\nWHERE startswith(file.name, \"\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\")\n<\/code><\/pre>\n<p><code>padleft<\/code> \/ <code>padright<\/code> \u51fd\u6570<\/p>\n<p>\u8fd9\u4e8c\u4e2a\u51fd\u6570\u7528\u4e8e\u586b\u5145\u5b57\u7b26\uff0c\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u6bd4\u5982\u683c\u5f0f\u5316\u8f93\u51fa\u65f6\u7528\u6765\u586b\u5145\u7a7a\u767d\u8fd8\u662f\u53ef\u4ee5\u7684\u3002<code>padleft(string, length, [padding])<\/code> \u7528\u4e8e\u5728\u5de6\u8fb9\u586b\u5145\u6307\u5b9a\u7684 <code>padding<\/code> \u5b57\u7b26\uff0c\u800c <code>padright(string, length, [padding])<\/code> \u5219\u7528\u4e8e\u53f3\u8fb9\u586b\u5145\u3002\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6ce8\u610f <code>length<\/code> \u7684\u503c\u4e00\u5b9a\u8981\u5927\u4e8e <code>string<\/code> \u7684\u957f\u5ea6\u4e0d\u7136\u6ca1\u6709\u4efb\u4f55\u4f5c\u7528\u3002<\/p>\n<p><code>split<\/code> \/ <code>substring<\/code> \/ <code>truncate<\/code> \u51fd\u6570<\/p>\n<p>\u8fd9 3 \u4e2a\u51fd\u6570\u6ca1\u6709\u4ec0\u4e48\u5173\u8054\u5173\u7cfb\uff0c\u53ea\u4e0d\u8fc7\u653e\u5728\u4e00\u8d77\u8bb2\u89e3\u7f62\u4e86\u3002<\/p>\n<p><code>split(string, delimiter, [limit])<\/code> \u51fd\u6570\u7684\u4f5c\u7528\u548c\u524d\u9762\u4ecb\u7ecd\u7684 <code>join()<\/code> \u51fd\u6570\u64cd\u4f5c\u76f8\u53cd\uff0c\u5b83\u7528\u4e8e\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u6309\u6307\u5b9a\u7684\u5206\u9694\u7b26 <code>delimiter<\/code> \u6765\u5206\u5272\u6210\u6570\u7ec4\uff0c\u5e76\u4e14\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u9009\u7684\u7ed3\u679c\u6570\u7ec4\u8fd4\u56de\u957f\u5ea6\u9650\u5236 <code>limit<\/code>\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= split(\"abcdefg\", \"\", 3)` %% a, b, c %%\n`= split(join([\"a\", \"b\", \"c\"], \"\"), \"\", 2)` %% a,\u00a0b %%\n<\/code><\/pre>\n<p><code>substring(string, start, [end])<\/code> \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u5b83\u548c\u6570\u7ec4\u5207\u7247 <code>slice()<\/code> \u51fd\u6570\u7684\u533a\u522b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= substring(\"hello\", 0, 2)` %% he %%\n`= substring(\"hello\", 2)` %% llo %%\n`= substring(\"hello\", -3, 4)` %% hell %%\n`= slice(split(\"hello\", \"\"), -3, 4)` %% l, l %%\n<\/code><\/pre>\n<p>\u4ece\u7ed3\u679c\u6765\u770b <code>substring()<\/code> \u51fd\u6570\u662f\u4e0d\u63a5\u6536\u8d1f\u6574\u6570\u4f5c\u4e3a\u53c2\u6570\u503c\uff0c\u5982\u679c\u4f20\u5165\u4f1a\u5f53\u6210 <code>0<\/code> \u6765\u5904\u7406\uff0c\u800c <code>slice()<\/code> \u51fd\u6570\u5982\u679c\u4f20\u5165\u8d1f\u6574\u6570\uff0c\u5219\u662f\u4ece\u5c3e\u90e8\u7b97\u8d77\u59cb\u5143\u7d20\u7684\u7d22\u5f15\u503c\uff0c\u5982\uff1a<code>-3<\/code> \u5219\u662f\u4ece <code>hello<\/code> \u4ece\u5c3e\u5411\u524d\u6570 3 \u4e2a\u5b57\u7b26\u5230\u7b2c 2 \u4e2a <code>l<\/code>\uff0c\u76f8\u5f53\u4e8e\u6570\u7ec4\u957f\u5ea6 <code>5 + -3<\/code>\uff0c\u4ece\u5934\u6570\u7b2c 2 \u4e2a\u5143\u7d20\uff08<code>start<\/code> \u662f\u5305\u542b\u7684\uff09<code>l<\/code>\u3002<\/p>\n<p><code>truncate(string, length, [suffix])<\/code> \u51fd\u6570\u7528\u4e8e\u5c06\u6587\u672c\u622a\u65ad\u81f3\u6307\u5b9a\u7684\u957f\u5ea6 <code>length<\/code>\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u4e2a\u957f\u5ea6\u9700\u8981\u5c06\u540e\u7f00 <code>suffix<\/code> \u503c <code>...<\/code> \u7b97\u5165\u3002\u8fd9\u4e2a\u51fd\u6570\u5bf9\u4e8e\u5c55\u793a\u8868\u683c\u6570\u636e\u4e2d\u5355\u5143\u683c\u6587\u672c\u8f83\u957f\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= truncate(\"hello world!\", 9)` %% hello ... %%\n`= truncate(\"hello world!\", 9, \"***\")` %% hello *** %%\n<\/code><\/pre>\n<h3 id=\"5-%e8%be%85%e5%8a%a9%e5%87%bd%e6%95%b0\">5. \u8f85\u52a9\u51fd\u6570<\/h3>\n<p><code>default(field, value)<\/code> \u51fd\u6570\u7684\u4f5c\u7528\u662f\u5982\u679c <code>filed<\/code> \u4e3a\u7a7a\u503c\uff0c\u5219\u8fd4\u56de <code>value<\/code> \u503c\u3002\u5bf9\u4e8e\u4e00\u4e2a\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>nonnull()<\/code> \u51fd\u6570\u6765\u79fb\u9664\u7a7a\u503c\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>default()<\/code> \u51fd\u6570\u6765\u5c06\u7a7a\u503c\u66ff\u6362\u6210\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\u3002\u5982\u679c\u60f3\u8981\u4fdd\u7559\u7a7a\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ldefault()<\/code> \u51fd\u6570\uff0c\u7528\u6cd5\u662f\u4e00\u6837\u7684\uff0c\u53ea\u4e0d\u8fc7\u5b83\u4e0d\u4f1a\u66ff\u6362\u6389 <code>field<\/code> \u4e2d\u7684\u7a7a\u503c\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= default(completed, \"incompleted\")` %% incompleted %%\n`= default(undefined, 1)` %% 1 %%\n`= default(null, 1)` %% 1 %%\n`= default(false, 1)` %% false %%\n`= default(object(\"b\", null), 0)` %% b: - %%\n`= default([0, null, 2, null, [4, null, [5, 6, undefined]]], 0)` %% 0,\u00a00,\u00a02,\u00a00,\u00a04,\u00a00,\u00a05,\u00a06,\u00a00 %%\n`= ldefault([0, null, 2, null, [4, null, [5, 6, undefined]]], 0)` %% 0,\u00a0-,\u00a02,\u00a0-,\u00a04,\u00a0-,\u00a05,\u00a06,\u00a0- %%\n<\/code><\/pre>\n<p>\u4ece\u4e0a\u9762\u7684\u793a\u4f8b\u6765\u770b\u7a7a\u503c\u5305\u542b <code>null<\/code> \u548c <code>undefined<\/code> \u7684\u503c\uff0c\u4f46 <code>false<\/code> \u548c <code>\"\"<\/code> \u8fd9\u6837\u7684\u5047\u503c\u662f\u4e0d\u7b97\u5165\u5185\u7684\u3002\u6b64\u6211\uff0c <code>default()<\/code> \u51fd\u6570\u53ea\u9002\u7528\u4e8e\u57fa\u7840\u53d8\u91cf\uff0c\u6570\u7ec4\u503c\uff0c\u4e0d\u9002\u7528\u4e8e\u5bf9\u8c61\u3002<\/p>\n<p><code>choice<\/code> \u51fd\u6570<\/p>\n<p><code>choice(bool, left, right)<\/code> \u51fd\u6570\u662f\u4e00\u4e2a\u539f\u59cb\u7684 if \u8bed\u53e5\uff0c\u76f8\u5f53\u4e8e JavaScript \u4e2d\u7684 <code>? :<\/code> \u8fd0\u7b97\u7b26\uff0c\u6ca1\u6709 else \u8bed\u53e5\uff0c\u53ea\u80fd\u8fdb\u884c\u4e00\u4e2a\u6761\u4ef6\u5224\u65ad\uff0c\u5982\u679c\u4e3a\u771f\u5219\u6267\u884c <code>left<\/code> \u5426\u5219\u6267\u884c <code>right<\/code>\u3002\u8fd9\u662f\u552f\u4e00\u4e00\u4e2a\u6761\u4ef6\u5224\u65ad\u51fd\u6570\uff0c\u56e0\u6b64\u4f7f\u7528\u8f83\u591a\uff0c\u6bd4\u5982\u524d\u9762\u4ecb\u7ecd\u5224\u65ad\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4\u7684\u4f8b\u5b50\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= choice(true, \"yes\", \"no\")` %% yes %%\n<\/code><\/pre>\n<p><code>hash<\/code> \u51fd\u6570<\/p>\n<p><code>hash(seed, [text], [variant])<\/code> \u51fd\u6570\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u57fa\u4e8e\u7ed9\u5b9a\u79cd\u5b50\uff08<code>seed<\/code>\uff09\u3001\u6587\u672c\uff08<code>text<\/code>\uff09\u548c\u53d8\u4f53\uff08<code>variant<\/code>\uff09\u7684\u54c8\u5e0c\u503c\u3002\u8fd9\u91cc\u7684\u79cd\u5b50\u5982\u679c\u63d0\u4f9b\u4e0d\u540c\u7684\u503c\u4f1a\u4ea7\u751f\u4e0d\u540c\u7684\u54c8\u5e0c\u8f93\u51fa\uff0c\u76f8\u540c\u7684\u79cd\u5b50\u53ef\u4ee5\u589e\u52a0\u54c8\u5e0c\u51fd\u6570\u7684\u552f\u4e00\u6027\u3002\u53d8\u4f53\u53ef\u4ee5\u63d0\u4f9b\u8fdb\u4e00\u6b65\u7684\u6587\u672c\u533a\u5206\u4f9d\u636e\uff0c\u4f8b\u5982\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\uff0c\u76f8\u540c\u7684\u4efb\u52a1\u540d\uff0c\u5c06 <code>variant<\/code> \u8bbe\u7f6e\u4e3a\u4efb\u52a1\u6240\u5728\u7684\u884c\u53f7\u53ef\u533a\u5206\u51fa\u540c\u540d\u7684\u4efb\u52a1\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= hash(\"1\", \"same text\")` %% 673738316819763 %%\n`= hash(\"2\", \"same text\")` %% 6125302604555861 %%\n`= hash(\"2\", \"same text\", 1)` %% 3643262541303331 %%\n`= hash(\"2\", \"same text\", 2)` %% 27826704613653 %%\n`= hash(dateformat(date(today), \"YYYY-MM-DD\"), this.file.name)` %% 6466914653753995 %%\n<\/code><\/pre>\n<p>\u4e0b\u9762\u6211\u4eec\u4f7f\u7528 <code>hash()<\/code> \u51fd\u6570\u6765\u968f\u673a\u6392\u5e8f\u6587\u6863<\/p>\n<pre><code class=\"language-yml line-numbers\">TABLE WITHOUT ID file.name, file.mtime\nSORT file.ctime\nSORT hash(dateformat(file.ctime, \"YYYY-MM-DD\"), file.name)\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/YiDaCP\/Pictures@latest\/20241019000853.png\" alt=\"image.png|1000\" \/><\/p>\n<p><code>striptime<\/code> \u51fd\u6570<\/p>\n<p><code>striptime(date)<\/code> \u51fd\u6570\u7528\u4e8e\u53bb\u6389\u65e5\u671f\u4e2d\u7684\u65f6\u95f4\u90e8\u5206\uff0c\u53ea\u7559\u4e0b\u5e74\u3001\u6708\u548c\u65e5\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= striptime(this.file.ctime)` %% 2024-04-30 %%\n<\/code><\/pre>\n<p><code>dateformat<\/code> \u51fd\u6570<\/p>\n<p><code>dateformat(date|datetime, string)<\/code> \u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u65e5\u671f\uff0c\u683c\u5f0f\u5316\u7b26\u53f7\u53c2\u89c1\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fmoment.github.io%2Fluxon%2F%23%2Fformatting%3Fid%3Dtable-of-tokens\" title=\"https:\/\/moment.github.io\/luxon\/#\/formatting?id=table-of-tokens\">Luxon tokens<\/a>\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= dateformat(this.file.ctime, \"yyyy-MM-dd\")` %% 2024-04-20 %%\n`= dateformat(this.file.ctime, \"HH:mm:ss\")` %% 21:09:55 %%\n`= dateformat(date(now),\"x\")` %% 1714802627234 %%\n`= dateformat(date(now),\"ffff\")` %% 2024\u5e745\u67084\u65e5\u661f\u671f\u516d\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4 14:10 %%\n`= dateformat(date(now),\"tttt\")` %% \u4e2d\u56fd\u6807\u51c6\u65f6\u95f4 14:11:31 %%\n<\/code><\/pre>\n<p><code>durationformat<\/code> \u51fd\u6570<\/p>\n<p><code>durationformat(duration, string)<\/code> \u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u6301\u7eed\u65f6\u95f4\uff0c\u5728\u683c\u5f0f\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\u5185\u7684\u4efb\u4f55\u5185\u5bb9\u90fd\u4e0d\u88ab\u89c6\u4e3a\u6807\u8bb0\u683c\u5f0f\u5185\u5bb9\u3002<\/p>\n<p>\u53ef\u7528\u7684\u6807\u8bb0\u5b57\u7b26\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><code>S<\/code> \u6beb\u79d2<\/li>\n<li><code>s<\/code> \u79d2<\/li>\n<li><code>m<\/code> \u5206\u949f<\/li>\n<li><code>h<\/code> \u5c0f\u65f6<\/li>\n<li><code>d<\/code> \u5929<\/li>\n<li><code>w<\/code> \u5468<\/li>\n<li><code>M<\/code> \u6708<\/li>\n<li><code>y<\/code> \u5e74<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u662f\u7b80\u5355\u4f7f\u7528\u4e3e\u4f8b\uff1a<\/p>\n<pre><code class=\"language-yml line-numbers\">`= durationformat(dur(\"3 days 7 hours 43 seconds\"), \"ddd'd' hh'h' ss's'\")` %% 003d 07h 43s %%\n`= durationformat(dur(\"30000 days 7 hours 43 seconds\"), \"ddd'd' hh'h' ss's'\")` %% 30000d 07h 43s %%\n`= durationformat(dur(\"3 days 7 hours 43 seconds\"), \"hh'h' ss's'\")` %% 79h 43s %%\n`= durationformat(dur(\"3 days 7 hours 43 seconds\"), \"ss'\u79d2'\")` %% 79 h 43 s %%\n<\/code><\/pre>\n<p><code>currencyformat<\/code> \u51fd\u6570<\/p>\n<p><code>currencyformat(number, [currency])<\/code> \u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u8d27\u5e01\uff0c\u5176\u4e2d <code>currency<\/code> \u5e38\u89c1\u53d6\u503c\u6709\u4eba\u6c11\u5e01\uff08<code>CNY<\/code>\uff09\uff0c\u7f8e\u5143\uff08<code>USD<\/code>\uff09\uff0c\u6b27\u5143\uff08<code>EUR<\/code>\uff09\uff0c\u65e5\u5143\uff08<code>JPY<\/code>\uff09\uff0c\u66f4\u591a\u56fd\u5bb6\u7684\u53d6\u503c\u8bf7\u53c2\u8003\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/link.juejin.cn?target=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FISO_4217%23List_of_ISO_4217_currency_codes\" title=\"https:\/\/en.wikipedia.org\/wiki\/ISO_4217#List_of_ISO_4217_currency_codes\">ISO 4217<\/a>\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= currencyformat(123456.789, \"CNY\")` %% \u00a5123,456.79 %%\n`= currencyformat(123456.789, \"USD\")` %% US$123,456.79 %%\n`= currencyformat(123456.789, \"EUR\")` %% \u20ac123,456.79 %%\n`= currencyformat(123456.789, \"JPY\")` %% JP\u00a5123,457 %%\n<\/code><\/pre>\n<p>\u4ece\u6267\u884c\u7ed3\u679c\u6765\u770b\uff0c<code>currencyformat()<\/code> \u51fd\u6570\u4e3a\u6211\u4eec\u81ea\u52a8\u5c06\u8d27\u5e01\u683c\u5f0f\u5316\u6210\u4e86\u5343\u5206\u4f4d\u8868\u793a\uff0c\u540c\u65f6\u6211\u4eec\u8fd8\u53d1\u73b0\u65e5\u672c\u8d27\u5e01\u7684\u7ed3\u679c\u548c\u524d\u9762\u51e0\u4e2a\u4e0d\u592a\u4e00\u6837\uff0c\u8fd9\u91cc\u6682\u65f6\u4e0d\u8ffd\u7a76\u4e3a\u4ec0\u4e48\uff0c\u56e0\u4e3a\u53ea\u4e3a\u5199\u4f5c\u793a\u4f8b\u800c\u5df2\u3002<\/p>\n<p><code>localtime<\/code> \u51fd\u6570<\/p>\n<p><code>localtime(date)<\/code> \u51fd\u6570\u7528\u4e8e\u5c06\u56fa\u5b9a\u65f6\u533a\u4e2d\u7684\u65e5\u671f\u8f6c\u6362\u4e3a\u5f53\u524d\u65f6\u533a\u4e2d\u7684\u65e5\u671f\u3002<\/p>\n<pre><code class=\"language-yml line-numbers\">`= localtime(date(now))` %% 9:07 \u4e0b\u5348 - 5 04, 2024 %%\n<\/code><\/pre>\n<p><code>meta<\/code> \u51fd\u6570<\/p>\n<p><code>meta(link)<\/code> \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u94fe\u63a5\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li><code>display<\/code> \u94fe\u63a5\u7684\u522b\u540d\uff0c\u5982\u679c\u6ca1\u6709\u63d0\u4f9b\u5219\u4e3a <code>null<\/code>\uff0c\u793a\u4f8b\uff1a<code>meta([[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aTemplater Obsidian \u63d2\u4ef6\u4f7f\u7528|\u8fd9\u91cc\u5c31\u662fdisplay\u8981\u663e\u793a\u7684\u5185\u5bb9]]).display<\/code> \u7684\u503c\u4e3a <code>\u8fd9\u91cc\u5c31\u662fdisplay\u8981\u663e\u793a\u7684\u5185\u5bb9<\/code>\u3002<\/li>\n<li><code>embed<\/code> \u7528\u4e8e\u5224\u65ad\u94fe\u63a5\u662f\u5426\u4e3a\u5a92\u4f53\u6587\u4ef6\u5d4c\u5165\uff0c\u4f8b\u5982\uff1a<code>meta(![[Pasted image 20240504133553.png]]).embed<\/code> \u503c\u4e3a <code>true<\/code>\u3002<\/li>\n<li><code>subpath<\/code> \u94fe\u63a5\u7684\u6587\u6863\u4e2d\u7684\u6807\u9898\u540d\u6216\u8005\u6bb5\u843d ID\uff0c\u4f8b\u5982\uff1a<code>[[\u6253\u9020\u6781\u81f4\u4f53\u9a8c\u7b14\u8bb0\uff1aObsidian Dataview \u63d2\u4ef6\u4f7f\u7528#\\<\/code>meta<code>\u51fd\u6570]].subpath<\/code>\u7684\u503c\u4e3a<code><\/code>meta<code>\u51fd\u6570<\/code>\u3002\u5982\u679c\u5f15\u7528\u7684\u662f\u6587\u6863\u4e2d\u7684\u6bb5\u843d\uff0c\u4f8b\u5982\uff1a<code>meta([[My Project#^9bcbe8]]).subpath<\/code>\u5219\u503c\u4e3a<code>9 bcbe 8<\/code><\/li>\n<li><code>type<\/code> \u94fe\u63a5\u7684\u7c7b\u578b\uff0c\u5176\u503c\u4e3a <code>file<\/code> \/ <code>header<\/code> \/ <code>block<\/code>\uff0c\u5206\u522b\u8868\u793a\u94fe\u63a5\u7684\u662f\u6587\u4ef6\u3001\u6807\u9898\u6bb5\u843d\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div class=\"seriesmeta\">\u8fd9\u7bc7\u6587\u7ae0\u662f <a href=\"https:\/\/yanghaixiong.com\/blog\/series\/obsidian-dataview\/\" class=\"series-201\" title=\"Obsidian Dataview \u7cfb\u5217\">Obsidian Dataview \u7cfb\u5217<\/a> \u7cfb\u5217 15 \u7bc7\u6587\u7ae0\u4e2d\u7684\u7b2c 5 \u7bc7<\/div><p>\u4e00\u3001\u8bed\u6cd5\u7ed3\u6784 DQL \u67e5\u8be2\u8bed\u8a00\u7684\u8bed\u6cd5\u5b9a\u4e49\u5982\u4e0b\uff1a TABLE or LIST or TASK or CALENDER [WITHOUT ID] &lt;field&gt; or &lt;field AS alias&gt; FROM &lt;source&gt; WHERE &lt;clause&gt; SORT field1 [ASCENDING\/DESCENDING\/ASC\/DESC], &#8230;, fieldN [ASC\/DESC] GROUP BY &lt;value&gt; [AS &lt;name&gt;] LIMIT &lt;value&gt; FLATTEN &lt;value&#038;g [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[199],"series":[201],"class_list":["post-804","post","type-post","status-publish","format-standard","hentry","category-skills","tag-obsidian","series-obsidian-dataview"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.4 (Yoast SEO v22.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Obsidian\u63d2\u4ef6Dataview \u2014\u2014 DQL\u67e5\u8be2\u8bed\u8a00\u8be6\u89e3\uff08\u4e94\uff09 - \u6ce2\u6bd4AI<\/title>\n<meta name=\"description\" content=\"DQL \u67e5\u8be2\u8bed\u8a00\u7684\u8bed\u6cd5\u5b9a\u4e49\u5982\u4e0b\uff1a```ymlTABLE or LIST or TASK or CALENDER [WITHOUT ID] or FROM WHERE SORT field1 [ASCENDING\/DESCENDING\/ASC\/DESC], ..., fieldN [ASC\/DESC]GROUP BY [AS ]LIMIT FLATTEN [AS 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