{"id":200015,"date":"2025-05-06T10:28:11","date_gmt":"2025-05-06T02:28:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200015\/"},"modified":"2025-05-06T10:28:11","modified_gmt":"2025-05-06T02:28:11","slug":"%e6%8f%90%e9%ab%98%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e6%95%88%e7%8e%87%e7%9a%84%e5%88%a9%e5%99%a8%ef%bc%9amysql%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200015\/","title":{"rendered":"\u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u5229\u5668\uff1aMySQL\u5b58\u50a8\u8fc7\u7a0b"},"content":{"rendered":"

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

\u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u5229\u5668\uff1aMySQL\u5b58\u50a8\u8fc7\u7a0b<\/h1>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u4e3b\u673a\u5b9d\u8d1d\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

MySQL\u5b58\u50a8\u8fc7\u7a0b\uff1a\u63d0\u5347\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u5229\u5668<\/p>\n

\u5728\u73b0\u4ee3\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u88ab\u5e7f\u6cdb\u5e94\u7528\u7684\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002MySQL\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u652f\u6301\u5b58\u50a8\u8fc7\u7a0b\u7684\u4f7f\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u4f18\u52bf\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n

\u4e00\u3001MySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u672c\u6982\u5ff5<\/p>\n

\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u9884\u5148\u7f16\u8bd1\u7684SQL\u8bed\u53e5\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u88ab\u591a\u6b21\u8c03\u7528\u548c\u6267\u884c\uff0c\u7c7b\u4f3c\u4e8e\u7a0b\u5e8f\u4e2d\u7684\u51fd\u6570\u3002\u5b58\u50a8\u8fc7\u7a0b\u901a\u5e38\u7528\u4e8e\u5c01\u88c5\u3001\u91cd\u7528\u548c\u7b80\u5316\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u3002\u5728MySQL\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u7684\u4e00\u79cd\u5bf9\u8c61\uff0c\u5b83\u53ef\u4ee5\u5305\u542bSQL\u8bed\u53e5\u3001\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5\u548c\u53c2\u6570\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002<\/p>\n

\u4e8c\u3001MySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u4f18\u52bf<\/p>\n

    \n
  1. \u63d0\u9ad8\u6027\u80fd\uff1a\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u901a\u4fe1\u548cSQL\u8bed\u53e5\u89e3\u6790\u7684\u5f00\u9500\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6027\u80fd\u3002<\/li>\n
  2. \u7b80\u5316\u4ee3\u7801\uff1a\u5c06\u5e38\u7528\u7684SQL\u8bed\u53e5\u5c01\u88c5\u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u51cf\u5c11\u91cd\u590d\u7684\u4ee3\u7801\u7f16\u5199\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n
  3. \u589e\u5f3a\u5b89\u5168\u6027\uff1a\u901a\u8fc7\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u9650\u5236\u7528\u6237\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u6743\u9650\uff0c\u63d0\u9ad8\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/li>\n
  4. \u63d0\u4f9b\u4e8b\u52a1\u652f\u6301\uff1a\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u5305\u542b\u4e8b\u52a1\u63a7\u5236\u8bed\u53e5\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u4e8b\u52a1\u64cd\u4f5c\uff0c\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ol>\n

    \u4e09\u3001MySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u4ee3\u7801\u793a\u4f8b<\/p>\n

    \u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728MySQL\u4e2d\u521b\u5efa\u548c\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\u3002<\/p>\n

    -- \u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5b9e\u73b0\u67e5\u8be2\u6307\u5b9a\u7528\u6237\u7684\u8ba2\u5355\u6570\u91cf\nDELIMITER \/\/\nCREATE PROCEDURE GetUserOrderCount (IN userId INT)\nBEGIN\n    DECLARE orderCount INT;\n    \n    SELECT COUNT(*) INTO orderCount\n    FROM orders \n    WHERE user_id = userId;\n    \n    SELECT orderCount AS 'OrderCount';\nEND \/\/\nDELIMITER ;\n\n-- \u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u67e5\u8be2\u7528\u6237ID\u4e3a1\u7684\u8ba2\u5355\u6570\u91cf\nCALL GetUserOrderCount(1);<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a”GetUserOrderCount”\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u63a5\u6536\u4e00\u4e2a\u6574\u6570\u53c2\u6570userId\uff0c\u67e5\u8be2\u6307\u5b9a\u7528\u6237\u7684\u8ba2\u5355\u6570\u91cf\uff0c\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u7136\u540e\u901a\u8fc7CALL\u8bed\u53e5\u8c03\u7528\u8fd9\u4e2a\u5b58\u50a8\u8fc7\u7a0b\uff0c\u4f20\u5165\u53c2\u6570\u503c1\uff0c\u5373\u67e5\u8be2\u7528\u6237ID\u4e3a1\u7684\u8ba2\u5355\u6570\u91cf\u3002<\/p>\n
    \u901a\u8fc7\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u903b\u8f91\u5c01\u88c5\u5728\u4e00\u4e2a\u53ef\u91cd\u7528\u7684\u5355\u5143\u4e2d\uff0c\u7b80\u5316\u4ee3\u7801\u7f16\u5199\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
    \u7ed3\u8bed<\/p>\n
    MySQL\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86MySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u4f18\u52bf\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e0c\u671b\u8bfb\u8005\u53ef\u4ee5\u901a\u8fc7\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u66f4\u597d\u5730\u5e94\u7528\u5b58\u50a8\u8fc7\u7a0b\u6765\u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u300a\u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u5229\u5668\uff1aMySQL\u5b58\u50a8\u8fc7\u7a0b\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8emysql,\u6570\u636e\u5904\u7406,\u5b58\u50a8\u8fc7\u7a0b\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u5229\u5668\uff1aMySQ...<\/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-200015","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200015","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=200015"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200015\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}