{"id":64947,"date":"2024-10-14T12:57:16","date_gmt":"2024-10-14T04:57:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64947\/"},"modified":"2024-10-14T12:57:16","modified_gmt":"2024-10-14T04:57:16","slug":"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%ef%bc%9a%e5%a4%9a%e6%a2%9d%e4%bb%b6%e8%a7%b8%e7%99%bc%e5%bc%b7%e5%8a%9b%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e5%a4%9a%e6%a2%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64947\/","title":{"rendered":"MSSQL\u89f8\u767c\u5668\uff1a\u591a\u689d\u4ef6\u89f8\u767c\u5f37\u529b\u89e3\u6c7a\u65b9\u6848\uff08mssql\u89f8\u767c\u5668\u591a\u689d\u4ef6\uff09"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%a4%9a%e6%a2%9d%e4%bb%b6%e8%a7%b8%e7%99%bc%e5%99%a8-hevjMNLfnC\">\u5982\u4f55\u5275\u5efa\u591a\u689d\u4ef6\u89f8\u767c\u5668<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728MSSQL\u4e2d\u5275\u5efa\u4e00\u500b\u591a\u689d\u4ef6\u89f8\u767c\u5668\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>Orders<\/code>\u7684\u8868\uff0c\u7576\u8a02\u55ae\u72c0\u614b\u6539\u8b8a\u6642\uff0c\u6211\u5011\u5e0c\u671b\u6839\u64da\u4e0d\u540c\u7684\u72c0\u614b\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002<\/p>\n<pre><code>CREATE TRIGGER trg_OrderStatusChange\nON Orders\nAFTER UPDATE\nAS\nBEGIN\n    IF UPDATE(Status)\n    BEGIN\n        DECLARE @OrderID INT, @NewStatus VARCHAR(50);\n        SELECT @OrderID = inserted.OrderID, @NewStatus = inserted.Status\n        FROM inserted;\n\n        IF @NewStatus = 'Shipped'\n        BEGIN\n            -- \u57f7\u884c\u767c\u9001\u90f5\u4ef6\u7684\u64cd\u4f5c\n            EXEC SendEmailNotification @OrderID;\n        END\n        ELSE IF @NewStatus = 'Cancelled'\n        BEGIN\n            -- \u57f7\u884c\u9000\u6b3e\u64cd\u4f5c\n            EXEC ProcessRefund @OrderID;\n        END\n    END\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba<code>trg_OrderStatusChange<\/code>\u7684\u89f8\u767c\u5668\uff0c\u7576<code>Orders<\/code>\u8868\u4e2d\u7684<code>Status<\/code>\u6b04\u4f4d\u88ab\u66f4\u65b0\u6642\uff0c\u89f8\u767c\u5668\u6703\u6839\u64da\u65b0\u7684\u72c0\u614b\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-hevjMNLfnC\">\u89f8\u767c\u5668\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 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