{"id":200043,"date":"2025-05-06T09:28:36","date_gmt":"2025-05-06T01:28:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200043\/"},"modified":"2025-05-06T09:28:36","modified_gmt":"2025-05-06T01:28:36","slug":"%e4%bd%bf%e7%94%a8mysql%e8%a7%a6%e5%8f%91%e5%99%a8%e5%ae%9e%e7%8e%b0%e6%95%b0%e6%8d%ae%e5%ba%93%e6%93%8d%e4%bd%9c%e7%9a%84%e8%87%aa%e5%8a%a8%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200043\/","title":{"rendered":"\u4f7f\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316"},"content":{"rendered":"

<\/b> <\/p>\n

\u4f7f\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6570\u636e\u5e93\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u4f7f\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

\u6807\u9898\uff1a\u5229\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u81ea\u52a8\u5316<\/p>\n

\u5728\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\uff0c\u89e6\u53d1\u5668\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316\u3002MySQL\u4f5c\u4e3a\u4e00\u6b3e\u5e7f\u6cdb\u5e94\u7528\u7684\u5f00\u6e90\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u63d0\u4f9b\u4e86\u89e6\u53d1\u5668\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528MySQL\u89e6\u53d1\u5668\u6765\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u89e6\u53d1\u5668\u7684\u57fa\u672c\u6982\u5ff5\u548c\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\uff0c\u540c\u65f6\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5229\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u81ea\u52a8\u5316\u3002<\/p>\n

\u4e00\u3001MySQL\u89e6\u53d1\u5668\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n

MySQL\u89e6\u53d1\u5668\u662f\u4e0e\u8868\u76f8\u5173\u8054\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u5b83\u4f1a\u5728\u8868\u4e0a\u6267\u884c\u6307\u5b9a\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\uff09\u65f6\u88ab\u89e6\u53d1\u6267\u884c\u4e00\u6bb5SQL\u8bed\u53e5\u3002MySQL\u89e6\u53d1\u5668\u53ef\u4ee5\u5206\u4e3aBEFORE\u89e6\u53d1\u5668\u548cAFTER\u89e6\u53d1\u5668\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n

    \n
  • BEFORE\u89e6\u53d1\u5668\uff1a\u5728\u5bf9\u8868\u6267\u884c\u64cd\u4f5c\u4e4b\u524d\u89e6\u53d1\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u6570\u636e\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u4e4b\u524d\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002<\/li>\n
  • AFTER\u89e6\u53d1\u5668\uff1a\u5728\u5bf9\u8868\u6267\u884c\u64cd\u4f5c\u4e4b\u540e\u89e6\u53d1\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u6570\u636e\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u4e4b\u540e\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

    \u4e8c\u3001MySQL\u89e6\u53d1\u5668\u7684\u521b\u5efa\u548c\u4f7f\u7528<\/h3>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efaBEFORE INSERT\u89e6\u53d1\u5668\u7684\u793a\u4f8b\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u8868users<\/code>\uff0c\u9700\u8981\u5728\u6709\u65b0\u8bb0\u5f55\u63d2\u5165\u65f6\u81ea\u52a8\u5c06\u8bb0\u5f55\u7684\u521b\u5efa\u65f6\u95f4\u586b\u5145\u4e3a\u5f53\u524d\u65f6\u95f4\uff1a<\/p>\n

    DELIMITER \/\/\nCREATE TRIGGER before_insert_users\nBEFORE INSERT\nON users FOR EACH ROW\nBEGIN\n    SET NEW.create_time = NOW();\nEND;\n\/\/\nDELIMITER ;<\/pre>\n
    \u4e0a\u8ff0\u4ee3\u7801\u7528DELIMITER<\/code>\u6307\u5b9a\u4e86\u5206\u9694\u7b26\uff0c\u7136\u540e\u521b\u5efa\u4e86\u4e00\u4e2aBEFORE INSERT\u89e6\u53d1\u5668before_insert_users<\/code>\uff0c\u5728\u6bcf\u6b21\u6709\u8bb0\u5f55\u63d2\u5165\u5230users<\/code>\u8868\u65f6\uff0c\u89e6\u53d1\u5668\u4f1a\u5c06\u8be5\u8bb0\u5f55\u7684create_time<\/code>\u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n
    \u7c7b\u4f3c\u5730\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u521b\u5efaAFTER UPDATE\u89e6\u53d1\u5668\u6765\u5728\u8bb0\u5f55\u66f4\u65b0\u540e\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff1a<\/p>\n
    DELIMITER \/\/\nCREATE TRIGGER after_update_users\nAFTER UPDATE\nON users FOR EACH ROW\nBEGIN\n    UPDATE audit SET update_time = NOW() WHERE user_id = OLD.user_id;\nEND;\n\/\/\nDELIMITER ;<\/pre>\n
    \u4e0a\u8ff0\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2aAFTER UPDATE\u89e6\u53d1\u5668after_update_users<\/code>\uff0c\u5728\u6bcf\u6b21\u6709\u8bb0\u5f55\u66f4\u65b0\u65f6\uff0c\u89e6\u53d1\u5668\u4f1a\u5c06\u5bf9\u5e94\u7684audit<\/code>\u8868\u4e2d\u7684update_time<\/code>\u5b57\u6bb5\u66f4\u65b0\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n
    \u4e09\u3001MySQL\u89e6\u53d1\u5668\u7684\u5e94\u7528\u573a\u666f<\/h3>\n
    MySQL\u89e6\u53d1\u5668\u53ef\u4ee5\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8bb8\u591a\u573a\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n
      \n
    1. \u6570\u636e\u5b8c\u6574\u6027\u7ea6\u675f\uff1a\u53ef\u4ee5\u4f7f\u7528\u89e6\u53d1\u5668\u6765\u5b9e\u73b0\u4e00\u4e9b\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u5408\u6cd5\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n
    2. \u6570\u636e\u5ba1\u8ba1\uff1a\u53ef\u4ee5\u4f7f\u7528\u89e6\u53d1\u5668\u6765\u8bb0\u5f55\u6570\u636e\u7684\u64cd\u4f5c\u5386\u53f2\uff0c\u5305\u62ec\u8bb0\u5f55\u7684\u521b\u5efa\u65f6\u95f4\u3001\u66f4\u65b0\u65f6\u95f4\u7b49\u4fe1\u606f\u3002<\/li>\n
    3. \u6570\u636e\u540c\u6b65\uff1a\u53ef\u4ee5\u4f7f\u7528\u89e6\u53d1\u5668\u6765\u540c\u6b65\u6570\u636e\u5230\u5176\u4ed6\u8868\u6216\u7cfb\u7edf\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u81ea\u52a8\u5316\u5904\u7406\u3002<\/li>\n<\/ol>\n
      \u56db\u3001\u603b\u7ed3<\/h3>\n
      MySQL\u89e6\u53d1\u5668\u662f\u4e00\u79cd\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u81ea\u52a8\u5316\u7684\u91cd\u8981\u5de5\u5177\uff0c\u901a\u8fc7\u89e6\u53d1\u5668\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u524d\u540e\u63d2\u5165\u81ea\u5b9a\u4e49\u7684SQL\u903b\u8f91\u3002\u5728\u4f7f\u7528MySQL\u89e6\u53d1\u5668\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u89e6\u53d1\u5668\u7684\u7c7b\u578b\u3001\u89e6\u53d1\u65f6\u673a\u4ee5\u53ca\u7f16\u5199\u7684SQL\u903b\u8f91\uff0c\u4ee5\u786e\u4fdd\u89e6\u53d1\u5668\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\u5e76\u5b9e\u73b0\u9884\u671f\u7684\u529f\u80fd\u3002\u5e0c\u671b\u672c\u6587\u4ecb\u7ecd\u7684MySQL\u89e6\u53d1\u5668\u7684\u57fa\u672c\u6982\u5ff5\u548c\u5e94\u7528\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5229\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316\u3002<\/p>\n
      \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u81ea\u52a8\u5316\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
      \n
      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u4f7f\u7528MySQL\u89e6\u53d1\u5668\u5b9e\u73b0\u6570\u636e\u5e93\u64cd...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200043","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200043","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200043"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200043\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200043"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}