{"id":195805,"date":"2024-11-13T18:03:18","date_gmt":"2024-11-13T10:03:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195805\/"},"modified":"2024-11-13T18:03:19","modified_gmt":"2024-11-13T10:03:19","slug":"%e5%9c%a8sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%8b%86%e5%88%86%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195805\/","title":{"rendered":"\u5728SQL Server\u6578\u64da\u5eab\u4e2d\u62c6\u5206\u5b57\u7b26\u4e32\u51fd\u6578"},"content":{"rendered":"<h1 id=\"%e5%9c%a8sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%8b%86%e5%88%86%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%87%bd%e6%95%b8-dBSoDMEmDx\">\u5728SQL Server\u6578\u64da\u5eab\u4e2d\u62c6\u5206\u5b57\u7b26\u4e32\u51fd\u6578<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u4e32\u8655\u7406\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7279\u5225\u662f\u5728SQL Server\u4e2d\uff0c\u62c6\u5206\u5b57\u7b26\u4e32\u7684\u529f\u80fd\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u8655\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728SQL Server\u4e2d\u62c6\u5206\u5b57\u7b26\u4e32\u7684\u4e0d\u540c\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%8b%86%e5%88%86%e5%ad%97%e7%ac%a6%e4%b8%b2-dBSoDMEmDx\">\u70ba\u4ec0\u9ebc\u9700\u8981\u62c6\u5206\u5b57\u7b26\u4e32<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u53ef\u80fd\u4ee5\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u5b58\u5132\uff0c\u4e26\u4e14\u9019\u4e9b\u5b57\u7b26\u4e32\u53ef\u80fd\u5305\u542b\u591a\u500b\u503c\u3002\u4f8b\u5982\uff0c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3001\u7528\u6236\u540d\u6216\u5176\u4ed6\u4ee5\u9017\u865f\u3001\u5206\u865f\u6216\u5176\u4ed6\u5206\u9694\u7b26\u5206\u9694\u7684\u6578\u64da\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u9700\u8981\u5c07\u9019\u4e9b\u5b57\u7b26\u4e32\u62c6\u5206\u70ba\u55ae\u7368\u7684\u90e8\u5206\uff0c\u4ee5\u4fbf\u9032\u884c\u9032\u4e00\u6b65\u7684\u8655\u7406\u6216\u5206\u6790\u3002<\/p>\n<h2 id=\"sql-server%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%86%e5%88%86%e6%96%b9%e6%b3%95-dBSoDMEmDx\">SQL Server\u4e2d\u7684\u5b57\u7b26\u4e32\u62c6\u5206\u65b9\u6cd5<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u62c6\u5206\u5b57\u7b26\u4e32\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8string_split%e5%87%bd%e6%95%b8-dBSoDMEmDx\">1. \u4f7f\u7528STRING_SPLIT\u51fd\u6578<\/h3>\n<p>\u5f9eSQL Server 2016\u958b\u59cb\uff0cMicrosoft\u5f15\u5165\u4e86\u5167\u7f6e\u7684STRING_SPLIT\u51fd\u6578\uff0c\u9019\u4f7f\u5f97\u62c6\u5206\u5b57\u7b26\u4e32\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u9019\u500b\u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u8981\u62c6\u5206\u7684\u5b57\u7b26\u4e32\u548c\u5206\u9694\u7b26\u3002<\/p>\n<pre><code>DECLARE @string NVARCHAR(MAX) = 'apple,banana,cherry';\nSELECT value FROM STRING_SPLIT(@string, ',');<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u5c07\u8fd4\u56de\u4e09\u884c\uff0c\u5206\u5225\u662f&#8217;apple&#8217;\u3001&#8217;banana&#8217;\u548c&#8217;cherry&#8217;\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8xml%e6%96%b9%e6%b3%95-dBSoDMEmDx\">2. \u4f7f\u7528XML\u65b9\u6cd5<\/h3>\n<p>\u5728SQL Server 2016\u4e4b\u524d\uff0cSTRING_SPLIT\u51fd\u6578\u4e26\u4e0d\u5b58\u5728\uff0c\u56e0\u6b64\u958b\u767c\u8005\u901a\u5e38\u4f7f\u7528XML\u65b9\u6cd5\u4f86\u62c6\u5206\u5b57\u7b26\u4e32\u3002\u9019\u7a2e\u65b9\u6cd5\u5229\u7528\u4e86XML\u7684\u7279\u6027\u4f86\u8655\u7406\u5b57\u7b26\u4e32\u3002<\/p>\n<pre><code>DECLARE @string NVARCHAR(MAX) = 'apple,banana,cherry';\nDECLARE @xml XML = CAST(('' + REPLACE(@string, ',', '') + '') AS XML);\nSELECT T.C.value('.', 'NVARCHAR(MAX)') AS value\nFROM @xml.nodes('\/X') AS T(C);<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u540c\u6a23\u6703\u8fd4\u56de&#8217;apple&#8217;\u3001&#8217;banana&#8217;\u548c&#8217;cherry&#8217;\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%9e%e6%ad%b8cte-dBSoDMEmDx\">3. \u4f7f\u7528\u905e\u6b78CTE<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528\u905e\u6b78\u516c\u5171\u8868\u9054\u5f0f\uff08CTE\uff09\u4f86\u62c6\u5206\u5b57\u7b26\u4e32\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u7528\u65bc\u8f03\u820a\u7248\u672c\u7684SQL Server\u3002<\/p>\n<pre><code>DECLARE @string NVARCHAR(MAX) = 'apple,banana,cherry';\nWITH SplitStrings AS (\n    SELECT \n        LEFT(@string, CHARINDEX(',', @string + ',') - 1) AS value,\n        STUFF(@string, 1, CHARINDEX(',', @string + ','), '') AS rest\n    UNION ALL\n    SELECT \n        LEFT(rest, CHARINDEX(',', rest + ',') - 1),\n        STUFF(rest, 1, CHARINDEX(',', rest + ','), '')\n    FROM SplitStrings\n    WHERE rest  ''\n)\nSELECT value FROM SplitStrings;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u905e\u6b78\u5730\u62c6\u5206\u5b57\u7b26\u4e32\uff0c\u4e26\u8fd4\u56de\u76f8\u540c\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dBSoDMEmDx\">\u7e3d\u7d50<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u62c6\u5206\u5b57\u7b26\u4e32\u662f\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8655\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u5167\u7f6e\u7684STRING_SPLIT\u51fd\u6578\uff0c\u9084\u662f\u5229\u7528XML\u65b9\u6cd5\u6216\u905e\u6b78CTE\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u4f86\u62c6\u5206\u5b57\u7b26\u4e32\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728SQL Server\u6578\u64da\u5eab\u4e2d\u4f7f\u7528\u5b57\u7b26\u4e32\u62c6\u5206\u51fd\u6578\uff0c\u8f15\u9b06\u8655\u7406\u548c\u5206\u6790\u6587\u672c\u6578\u64da\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-195805","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195805","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=195805"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195805\/revisions"}],"predecessor-version":[{"id":195806,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195805\/revisions\/195806"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}