{"id":185590,"date":"2024-11-10T22:50:19","date_gmt":"2024-11-10T14:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185590\/"},"modified":"2024-11-10T22:50:20","modified_gmt":"2024-11-10T14:50:20","slug":"%e8%a6%96%e5%9c%96%e6%9f%a5%e8%a9%a2%e7%84%a1%e6%b3%95%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%88%e8%a6%96%e5%9c%96%e6%9f%a5%e8%a9%a2%e6%b2%92%e6%9c%89%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185590\/","title":{"rendered":"\u8996\u5716\u67e5\u8a62\u7121\u6cd5\u66f4\u65b0\u6578\u64da\u5eab\u600e\u9ebc\u8fa6\uff08\u8996\u5716\u67e5\u8a62\u6c92\u6709\u66f4\u65b0\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 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\u7b49\uff0c\u6703\u4f7f\u8996\u5716\u8b8a\u5f97\u4e0d\u53ef\u66f4\u65b0\u3002\u9019\u662f\u56e0\u70ba\u9019\u4e9b\u64cd\u4f5c\u6703\u6539\u8b8a\u6578\u64da\u7684\u7d50\u69cb\uff0c\u5c0e\u81f4\u7121\u6cd5\u78ba\u5b9a\u5982\u4f55\u5c07\u66f4\u65b0\u61c9\u7528\u5230\u57fa\u790e\u8868\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e8%a6%96%e5%9c%96%e7%84%a1%e6%b3%95%e6%9b%b4%e6%96%b0%e7%9a%84%e5%95%8f%e9%a1%8c-DodnlXWKeD\">\u5982\u4f55\u89e3\u6c7a\u8996\u5716\u7121\u6cd5\u66f4\u65b0\u7684\u554f\u984c<\/h2>\n<p>\u5982\u679c\u60a8\u9047\u5230\u8996\u5716\u7121\u6cd5\u66f4\u65b0\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%8f%af%e6%9b%b4%e6%96%b0%e8%a6%96%e5%9c%96-DodnlXWKeD\">1. \u4f7f\u7528\u53ef\u66f4\u65b0\u8996\u5716<\/h3>\n<p>\u78ba\u4fdd\u60a8\u7684\u8996\u5716\u662f\u53ef\u66f4\u65b0\u7684\u3002\u9019\u610f\u5473\u8457\u8996\u5716\u61c9\u8a72\u57fa\u65bc\u55ae\u4e00\u8868\uff0c\u4e26\u4e14\u4e0d\u61c9\u5305\u542b\u805a\u5408\u51fd\u6578\u6216\u5176\u4ed6\u8907\u96dc\u7684 SQL \u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u53ef\u66f4\u65b0\u8996\u5716\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE VIEW simple_view AS\nSELECT id, name, email\nFROM users;<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8-DodnlXWKeD\">2. \u4f7f\u7528\u89f8\u767c\u5668<\/h3>\n<p>\u5982\u679c\u8996\u5716\u7121\u6cd5\u76f4\u63a5\u66f4\u65b0\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u89f8\u767c\u5668\uff08Trigger\uff09\u3002\u89f8\u767c\u5668\u53ef\u4ee5\u5728\u5c0d\u8996\u5716\u9032\u884c\u66f4\u65b0\u6642\uff0c\u81ea\u52d5\u5c07\u66f4\u6539\u61c9\u7528\u5230\u57fa\u790e\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TRIGGER update_users\nINSTEAD OF UPDATE ON simple_view\nFOR EACH ROW\nBEGIN\n    UPDATE users\n    SET name = NEW.name, email = NEW.email\n    WHERE id = OLD.id;\nEND;<\/code><\/pre>\n<h3 id=\"3-%e7%9b%b4%e6%8e%a5%e6%93%8d%e4%bd%9c%e5%9f%ba%e7%a4%8e%e8%a1%a8-DodnlXWKeD\">3. \u76f4\u63a5\u64cd\u4f5c\u57fa\u790e\u8868<\/h3>\n<p>\u5982\u679c\u8996\u5716\u7121\u6cd5\u66f4\u65b0\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u76f4\u63a5\u5c0d\u57fa\u790e\u8868\u9032\u884c\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u8996\u5716\u7684\u9650\u5236\uff0c\u76f4\u63a5\u9032\u884c\u6578\u64da\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DodnlXWKeD\">\u7e3d\u7d50<\/h2>\n<p>\u8996\u5716\u67e5\u8a62\u7121\u6cd5\u66f4\u65b0\u6578\u64da\u5eab\u7684\u554f\u984c\u901a\u5e38\u8207\u8996\u5716\u7684\u8a2d\u8a08\u548c\u8907\u96dc\u6027\u6709\u95dc\u3002\u901a\u904e\u4e86\u89e3\u8996\u5716\u7684\u7279\u6027\u548c\u9650\u5236\uff0c\u60a8\u53ef\u4ee5\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u53ef\u66f4\u65b0\u8996\u5716\u3001\u89f8\u767c\u5668\uff0c\u9084\u662f\u76f4\u63a5\u64cd\u4f5c\u57fa\u790e\u8868\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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