{"id":167965,"date":"2024-11-06T08:23:22","date_gmt":"2024-11-06T00:23:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167965\/"},"modified":"2024-11-06T08:23:23","modified_gmt":"2024-11-06T00:23:23","slug":"%e5%85%a9%e7%a8%ae%e6%96%b9%e5%bc%8f%e4%bb%a4sql-server%e6%ad%a3%e7%a2%ba%e5%9f%b7%e8%a1%8c%e5%8b%95%e6%85%8bsql","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167965\/","title":{"rendered":"\u5169\u7a2e\u65b9\u5f0f\u4ee4SQL Server\u6b63\u78ba\u57f7\u884c\u52d5\u614bSQL"},"content":{"rendered":"<h1 id=\"%e5%85%a9%e7%a8%ae%e6%96%b9%e5%bc%8f%e4%bb%a4sql-server%e6%ad%a3%e7%a2%ba%e5%9f%b7%e8%a1%8c%e5%8b%95%e6%85%8bsql-ThazOjGlVO\">\u5169\u7a2e\u65b9\u5f0f\u4ee4SQL Server\u6b63\u78ba\u57f7\u884c\u52d5\u614bSQL<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cSQL Server\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u7d93\u5e38\u9700\u8981\u57f7\u884c\u52d5\u614bSQL\u3002\u52d5\u614bSQL\u662f\u6307\u5728\u57f7\u884c\u6642\u751f\u6210\u7684SQL\u8a9e\u53e5\uff0c\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u751f\u6210\u67e5\u8a62\u3002\u7136\u800c\uff0c\u52d5\u614bSQL\u7684\u4f7f\u7528\u4e5f\u4f34\u96a8\u8457\u4e00\u4e9b\u6311\u6230\uff0c\u7279\u5225\u662f\u5728\u5b89\u5168\u6027\u548c\u6027\u80fd\u65b9\u9762\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5169\u7a2e\u4e3b\u8981\u65b9\u5f0f\u4f86\u6b63\u78ba\u57f7\u884cSQL Server\u4e2d\u7684\u52d5\u614bSQL\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8sp_executesql-ThazOjGlVO\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528sp_executesql<\/h2>\n<p>\u7b2c\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528\u7cfb\u7d71\u5b58\u5132\u904e\u7a0b <code>sp_executesql<\/code>\u3002\u9019\u662f\u4e00\u500b\u975e\u5e38\u9748\u6d3b\u4e14\u5b89\u5168\u7684\u65b9\u5f0f\u4f86\u57f7\u884c\u52d5\u614bSQL\u3002\u8207\u76f4\u63a5\u4f7f\u7528 <code>EXEC<\/code> \u8a9e\u53e5\u76f8\u6bd4\uff0c<code>sp_executesql<\/code> \u5141\u8a31\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-ThazOjGlVO\">\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n<pre><code>DECLARE @SQL NVARCHAR(MAX);\nDECLARE @ParamDefinition NVARCHAR(MAX);\nDECLARE @UserId INT = 1;\n\nSET @SQL = N'SELECT * FROM Users WHERE UserId = @UserId';\nSET @ParamDefinition = N'@UserId INT';\n\nEXEC sp_executesql @SQL, @ParamDefinition, @UserId;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500bSQL\u67e5\u8a62\uff0c\u7136\u5f8c\u4f7f\u7528 <code>sp_executesql<\/code> \u57f7\u884c\u5b83\u3002\u9019\u88e1\u7684 <code>@UserId<\/code> \u662f\u4e00\u500b\u53c3\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u76f4\u63a5\u5c07\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u5d4c\u5165\u5230SQL\u8a9e\u53e5\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8exec%e8%aa%9e%e5%8f%a5-ThazOjGlVO\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528EXEC\u8a9e\u53e5<\/h2>\n<p>\u7b2c\u4e8c\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528 <code>EXEC<\/code> \u8a9e\u53e5\u4f86\u57f7\u884c\u52d5\u614bSQL\u3002\u96d6\u7136\u9019\u7a2e\u65b9\u6cd5\u76f8\u5c0d\u7c21\u55ae\uff0c\u4f46\u5728\u5b89\u5168\u6027\u65b9\u9762\u4e0d\u5982 <code>sp_executesql<\/code>\u3002\u5982\u679c\u4e0d\u5c0f\u5fc3\u8655\u7406\u7528\u6236\u8f38\u5165\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4SQL\u6ce8\u5165\u7684\u98a8\u96aa\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-ThazOjGlVO\">\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n<pre><code>DECLARE @SQL NVARCHAR(MAX);\nDECLARE @UserId INT = 1;\n\nSET @SQL = N'SELECT * FROM Users WHERE UserId = ' + CAST(@UserId AS NVARCHAR(10));\n\nEXEC(@SQL);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u76f4\u63a5\u5c07\u7528\u6236ID\u62fc\u63a5\u5230SQL\u8a9e\u53e5\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u5982\u679c <code>@UserId<\/code> \u7684\u503c\u4f86\u81ea\u4e0d\u53ef\u4fe1\u7684\u4f86\u6e90\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4SQL\u6ce8\u5165\u653b\u64ca\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528 <code>EXEC<\/code> \u6642\uff0c\u958b\u767c\u8005\u5fc5\u9808\u683c\u5916\u5c0f\u5fc3\uff0c\u78ba\u4fdd\u6240\u6709\u8f38\u5165\u90fd\u7d93\u904e\u9069\u7576\u7684\u9a57\u8b49\u548c\u6e05\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ThazOjGlVO\">\u7e3d\u7d50<\/h2>\n<p>\u5728SQL Server\u4e2d\u57f7\u884c\u52d5\u614bSQL\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u81f3\u95dc\u91cd\u8981\u3002\u4f7f\u7528 <code>sp_executesql<\/code> \u53ef\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u6027\u80fd\uff0c\u800c\u4f7f\u7528 <code>EXEC<\/code> \u5247\u9700\u8981\u8b39\u614e\u8655\u7406\u7528\u6236\u8f38\u5165\u3002\u7121\u8ad6\u9078\u64c7\u54ea\u7a2e\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u90fd\u61c9\u8a72\u59cb\u7d42\u8003\u616e\u5230SQL\u6ce8\u5165\u7684\u98a8\u96aa\uff0c\u4e26\u63a1\u53d6\u5fc5\u8981\u7684\u9810\u9632\u63aa\u65bd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5169\u7a2e\u6709\u6548\u65b9\u6cd5\uff0c\u78ba\u4fddSQL Server\u6b63\u78ba\u57f7\u884c\u52d5\u614bSQL\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u8207\u5b89\u5168\u6027\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-167965","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167965","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=167965"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167965\/revisions"}],"predecessor-version":[{"id":167966,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167965\/revisions\/167966"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}