{"id":191842,"date":"2024-11-12T17:17:22","date_gmt":"2024-11-12T09:17:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/191842\/"},"modified":"2024-11-12T17:17:24","modified_gmt":"2024-11-12T09:17:24","slug":"%e8%a9%b3%e8%a7%a3sql%e4%b8%adfor-xml%e5%ad%90%e5%8f%a5%e7%9a%84%e5%90%84%e7%a8%ae%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/191842\/","title":{"rendered":"\u8a73\u89e3SQL\u4e2dFOR XML\u5b50\u53e5\u7684\u5404\u7a2e\u7528\u6cd5"},"content":{"rendered":"<h1 id=\"%e8%a9%b3%e8%a7%a3sql%e4%b8%adfor-xml%e5%ad%90%e5%8f%a5%e7%9a%84%e5%90%84%e7%a8%ae%e7%94%a8%e6%b3%95-uxMQKofPVc\">\u8a73\u89e3SQL\u4e2dFOR XML\u5b50\u53e5\u7684\u5404\u7a2e\u7528\u6cd5<\/h1>\n<p>\u5728SQL Server\u4e2d\uff0c<code>FOR XML<\/code>\u5b50\u53e5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u5c07\u67e5\u8a62\u7d50\u679c\u8f49\u63db\u70baXML\u683c\u5f0f\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5c07\u6578\u64da\u4ee5XML\u683c\u5f0f\u8f38\u51fa\u6216\u8207\u5176\u4ed6\u7cfb\u7d71\u9032\u884c\u6578\u64da\u4ea4\u63db\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u7279\u5225\u6709\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>FOR XML<\/code>\u5b50\u53e5\u7684\u5404\u7a2e\u7528\u6cd5\uff0c\u5305\u62ec\u5176\u8a9e\u6cd5\u3001\u9078\u9805\u53ca\u5be6\u969b\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"for-xml%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-uxMQKofPVc\">FOR XML\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528<code>FOR XML<\/code>\u5b50\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2\nFROM table_name\nFOR XML [TYPE | PATH | AUTO | RAW]<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u9078\u9805\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>TYPE<\/strong>\uff1a\u8fd4\u56deXML\u985e\u578b\u7684\u6578\u64da\uff0c\u9069\u5408\u9700\u8981\u9032\u4e00\u6b65\u8655\u7406\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>PATH<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u81ea\u5b9a\u7fa9XML\u7684\u7d50\u69cb\uff0c\u63d0\u4f9b\u66f4\u5927\u7684\u9748\u6d3b\u6027\u3002<\/li>\n<li><strong>AUTO<\/strong>\uff1a\u81ea\u52d5\u751f\u6210XML\u7d50\u69cb\uff0c\u6839\u64da\u67e5\u8a62\u7684\u7d50\u679c\u96c6\u3002<\/li>\n<li><strong>RAW<\/strong>\uff1a\u751f\u6210\u7c21\u55ae\u7684XML\u683c\u5f0f\uff0c\u901a\u5e38\u7528\u65bc\u5feb\u901f\u8f38\u51fa\u3002<\/li>\n<\/ul>\n<h2 id=\"for-xml-auto-uxMQKofPVc\">FOR XML AUTO<\/h2>\n<p>\u4f7f\u7528<code id=\"for-xml-auto-uxMQKofPVc\">FOR XML AUTO<\/code>\u6642\uff0cSQL Server\u6703\u6839\u64da\u67e5\u8a62\u7684\u7d50\u69cb\u81ea\u52d5\u751f\u6210XML\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT FirstName, LastName\nFROM Employees\nFOR XML AUTO<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u985e\u4f3c\u4ee5\u4e0b\u7684XML\u8f38\u51fa\uff1a<\/p>\n<pre><code>&lt;Employees&gt;\n    &lt;Employees FirstName=\"John\" LastName=\"Doe\"\/&gt;\n    &lt;Employees FirstName=\"Jane\" LastName=\"Smith\"\/&gt;\n&lt;\/Employees&gt;<\/code><\/pre>\n<h2 id=\"for-xml-path-uxMQKofPVc\">FOR XML PATH<\/h2>\n<p>\u4f7f\u7528<code id=\"for-xml-path-uxMQKofPVc\">FOR XML PATH<\/code>\u53ef\u4ee5\u81ea\u5b9a\u7fa9XML\u7684\u7d50\u69cb\u3002\u9019\u5c0d\u65bc\u9700\u8981\u7279\u5b9a\u683c\u5f0f\u7684XML\u8f38\u51fa\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT FirstName AS 'Name\/FirstName', LastName AS 'Name\/LastName'\nFROM Employees\nFOR XML PATH('Employee')<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u5982\u4e0b\u7684XML\uff1a<\/p>\n<pre><code>&lt;Employee&gt;\n    &lt;Name&gt;\n        &lt;FirstName&gt;John&lt;\/FirstName&gt;\n        &lt;LastName&gt;Doe&lt;\/LastName&gt;\n    &lt;\/Name&gt;\n    &lt;Name&gt;\n        &lt;FirstName&gt;Jane&lt;\/FirstName&gt;\n        &lt;LastName&gt;Smith&lt;\/LastName&gt;\n    &lt;\/Name&gt;\n&lt;\/Employee&gt;<\/code><\/pre>\n<h2 id=\"for-xml-type-uxMQKofPVc\">FOR XML TYPE<\/h2>\n<p>\u7576\u4f7f\u7528<code id=\"for-xml-type-uxMQKofPVc\">FOR XML TYPE<\/code>\u6642\uff0c\u8fd4\u56de\u7684\u7d50\u679c\u5c07\u662fXML\u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u5f8c\u7e8c\u7684XML\u8655\u7406\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT FirstName, LastName\nFROM Employees\nFOR XML PATH('Employee'), TYPE<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500bXML\u6578\u64da\u985e\u578b\u7684\u7d50\u679c\uff0c\u9069\u5408\u9032\u4e00\u6b65\u7684XML\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"for-xml-raw-uxMQKofPVc\">FOR XML RAW<\/h2>\n<p>\u4f7f\u7528<code id=\"for-xml-raw-uxMQKofPVc\">FOR XML RAW<\/code>\u6642\uff0c\u751f\u6210\u7684XML\u7d50\u69cb\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u5e38\u7528\u65bc\u5feb\u901f\u8f38\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT FirstName, LastName\nFROM Employees\nFOR XML RAW('Employee')<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u5982\u4e0b\u7684XML\uff1a<\/p>\n<pre><code>&lt;Employee FirstName=\"John\" LastName=\"Doe\"\/&gt;\n&lt;Employee FirstName=\"Jane\" LastName=\"Smith\"\/&gt;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-uxMQKofPVc\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c<code>FOR XML<\/code>\u5b50\u53e5\u5728SQL Server\u4e2d\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u9805\u4f86\u751f\u6210XML\u683c\u5f0f\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u81ea\u52d5\u751f\u6210\u3001\u5b9a\u5236\u7d50\u69cb\u9084\u662f\u7c21\u55ae\u8f38\u51fa\uff0c<code>FOR XML<\/code>\u90fd\u80fd\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u5c07\u6578\u64da\u4ee5XML\u683c\u5f0f\u9032\u884c\u8655\u7406\u6216\u50b3\u8f38\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u7528\u6cd5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6\u76f8\u95dc\u7684<code>\u670d\u52a1\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL\u4e2dFOR XML\u5b50\u53e5\u7684\u591a\u7a2e\u7528\u6cd5\uff0c\u6df1\u5165\u4e86\u89e3\u5982\u4f55\u751f\u6210XML\u683c\u5f0f\u7684\u67e5\u8a62\u7d50\u679c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-191842","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=191842"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191842\/revisions"}],"predecessor-version":[{"id":191843,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191842\/revisions\/191843"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=191842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=191842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=191842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}