{"id":179758,"date":"2024-11-09T04:33:24","date_gmt":"2024-11-08T20:33:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179758\/"},"modified":"2024-11-09T04:33:25","modified_gmt":"2024-11-08T20:33:25","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e5%af%a6%e7%8f%be%e6%8f%92%e5%85%a5%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179758\/","title":{"rendered":"\u5982\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u5be6\u73fe\u63d2\u5165\u66f4\u65b0\u6578\u64da"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e5%af%a6%e7%8f%be%e6%8f%92%e5%85%a5%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-dkutDqiUag\">\u5982\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u5be6\u73fe\u63d2\u5165\u66f4\u65b0\u6578\u64da<\/h1>\n<p>\u5728\u73fe\u4ee3\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u63d2\u5165\u548c\u66f4\u65b0\u662f\u5169\u500b\u57fa\u672c\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u4e0d\u50c5\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u6709\u6548\u5730\u5be6\u73fe\u63d2\u5165\u548c\u66f4\u65b0\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-dkutDqiUag\">\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684 SQL \u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u7684\u597d\u8655\u5305\u62ec\u63d0\u9ad8\u6027\u80fd\u3001\u589e\u5f37\u5b89\u5168\u6027\u548c\u7c21\u5316\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u3002\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u6839\u64da\u9019\u4e9b\u53c3\u6578\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-dkutDqiUag\">\u63d2\u5165\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u63d2\u5165\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE InsertData\n    @Name NVARCHAR(50),\n    @Age INT\nAS\nBEGIN\n    INSERT INTO Users (Name, Age)\n    VALUES (@Name, @Age);\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>InsertData<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u63a5\u53d7\u7528\u6236\u7684\u59d3\u540d\u548c\u5e74\u9f61\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u5c07\u9019\u4e9b\u6578\u64da\u63d2\u5165\u5230 <code>Users<\/code> \u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-dkutDqiUag\">\u66f4\u65b0\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u66f4\u65b0\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE UpdateData\n    @UserId INT,\n    @Name NVARCHAR(50),\n    @Age INT\nAS\nBEGIN\n    UPDATE Users\n    SET Name = @Name, Age = @Age\n    WHERE UserId = @UserId;\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>UpdateData<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u63a5\u53d7\u7528\u6236 ID\u3001\u59d3\u540d\u548c\u5e74\u9f61\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u6839\u64da\u7528\u6236 ID \u66f4\u65b0\u76f8\u61c9\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%9c%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e5%af%a6%e7%8f%be%e6%8f%92%e5%85%a5%e5%92%8c%e6%9b%b4%e6%96%b0%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-dkutDqiUag\">\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u5be6\u73fe\u63d2\u5165\u548c\u66f4\u65b0\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u57f7\u884c\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u64cd\u4f5c\u5931\u6557\uff0c\u53ef\u4ee5\u56de\u6efe\u5230\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u53c3\u6578\u9a57\u8b49\uff1a<\/strong>\u5728\u57f7\u884c\u63d2\u5165\u6216\u66f4\u65b0\u4e4b\u524d\uff0c\u5c0d\u53c3\u6578\u9032\u884c\u9a57\u8b49\uff0c\u4ee5\u9632\u6b62\u4e0d\u6b63\u78ba\u6216\u4e0d\u5b89\u5168\u7684\u6578\u64da\u9032\u5165\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u4f7f\u7528 <code>TRY...CATCH<\/code> \u7d50\u69cb\u4f86\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u5b58\u5132\u904e\u7a0b\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e7%b5%90%e5%90%88%e6%8f%92%e5%85%a5%e5%92%8c%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c-dkutDqiUag\">\u793a\u4f8b\uff1a\u7d50\u5408\u63d2\u5165\u548c\u66f4\u65b0\u64cd\u4f5c<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u4e00\u500b\u5b58\u5132\u904e\u7a0b\u4e2d\u7d50\u5408\u63d2\u5165\u548c\u66f4\u65b0\u64cd\u4f5c\uff1a<\/p>\n<pre><code>CREATE PROCEDURE UpsertData\n    @UserId INT,\n    @Name NVARCHAR(50),\n    @Age INT\nAS\nBEGIN\n    BEGIN TRANSACTION;\n\n    BEGIN TRY\n        IF EXISTS (SELECT 1 FROM Users WHERE UserId = @UserId)\n        BEGIN\n            -- \u66f4\u65b0\u64cd\u4f5c\n            UPDATE Users\n            SET Name = @Name, Age = @Age\n            WHERE UserId = @UserId;\n        END\n        ELSE\n        BEGIN\n            -- \u63d2\u5165\u64cd\u4f5c\n            INSERT INTO Users (Name, Age)\n            VALUES (@Name, @Age);\n        END\n\n        COMMIT TRANSACTION;\n    END TRY\n    BEGIN CATCH\n        ROLLBACK TRANSACTION;\n        -- \u932f\u8aa4\u8655\u7406\n        DECLARE @ErrorMessage NVARCHAR(4000);\n        SET @ErrorMessage = ERROR_MESSAGE();\n        RAISERROR(@ErrorMessage, 16, 1);\n    END CATCH\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>UpsertData<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u6839\u64da\u7528\u6236 ID \u5224\u65b7\u662f\u57f7\u884c\u63d2\u5165\u9084\u662f\u66f4\u65b0\u64cd\u4f5c\uff0c\u4e26\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dkutDqiUag\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u5be6\u73fe\u63d2\u5165\u548c\u66f4\u65b0\u6578\u64da\u662f\u4e00\u500b\u91cd\u8981\u7684\u6280\u80fd\uff0c\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u901a\u904e\u4f7f\u7528\u4e8b\u52d9\u3001\u53c3\u6578\u9a57\u8b49\u548c\u932f\u8aa4\u8655\u7406\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u9019\u6a23\u7684\u5e02\u5834\u4e2d\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u63d0\u4f9b\u4e86\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u6709\u6548\u5be6\u73fe\u63d2\u5165\u548c\u66f4\u65b0\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\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-179758","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179758","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=179758"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179758\/revisions"}],"predecessor-version":[{"id":179759,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179758\/revisions\/179759"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}