{"id":153019,"date":"2024-11-02T03:57:22","date_gmt":"2024-11-01T19:57:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153019\/"},"modified":"2024-11-02T03:57:23","modified_gmt":"2024-11-01T19:57:23","slug":"%e5%82%b3%e5%85%a5%e5%92%8c%e5%82%b3%e5%87%ba%e5%8f%83%e6%95%b8%e7%9a%84-mysql-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153019\/","title":{"rendered":"\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\u7684 MySQL \u5b58\u5132\u904e\u7a0b"},"content":{"rendered":"<h1 id=\"%e5%82%b3%e5%85%a5%e5%92%8c%e5%82%b3%e5%87%ba%e5%8f%83%e6%95%b8%e7%9a%84-mysql-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-wnOXhTcmlC\">\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\u7684 MySQL \u5b58\u5132\u904e\u7a0b<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b58\u5132\u904e\u7a0b\u662f MySQL \u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5c07\u4e00\u7d44 SQL \u8a9e\u53e5\u5c01\u88dd\u5728\u4e00\u8d77\uff0c\u4e26\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u91cd\u7528\u6027\uff0c\u9084\u80fd\u63d0\u5347\u6027\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e MySQL \u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%9f-wnOXhTcmlC\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u8b6f\u7684 SQL \u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u540d\u7a31\u8abf\u7528\u3002\u5b83\u5011\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u5728\u57f7\u884c\u6642\u8fd4\u56de\u7d50\u679c\u3002\u5b58\u5132\u904e\u7a0b\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u6027\u80fd\uff1a\u5b58\u5132\u904e\u7a0b\u5728\u6578\u64da\u5eab\u4e2d\u9810\u7de8\u8b6f\uff0c\u57f7\u884c\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n<li>\u4ee3\u78bc\u91cd\u7528\uff1a\u53ef\u4ee5\u5728\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u91cd\u7528\u76f8\u540c\u7684\u5b58\u5132\u904e\u7a0b\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u901a\u904e\u5b58\u5132\u904e\u7a0b\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%82%b3%e5%85%a5%e5%8f%83%e6%95%b8-wnOXhTcmlC\">\u50b3\u5165\u53c3\u6578<\/h2>\n<p>\u50b3\u5165\u53c3\u6578\u662f\u6307\u5728\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6642\uff0c\u5c07\u6578\u64da\u50b3\u905e\u7d66\u5b58\u5132\u904e\u7a0b\u7684\u53c3\u6578\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u7528\u65bc\u5728\u5b58\u5132\u904e\u7a0b\u5167\u90e8\u9032\u884c\u8a08\u7b97\u6216\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u63a5\u53d7\u50b3\u5165\u53c3\u6578\u7684\u5b58\u5132\u904e\u7a0b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE GetUserById(IN userId INT)\nBEGIN\n    SELECT * FROM users WHERE id = userId;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>GetUserById<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u5b83\u63a5\u53d7\u4e00\u500b\u6574\u6578\u985e\u578b\u7684\u50b3\u5165\u53c3\u6578 <code>userId<\/code>\u3002\u7576\u8abf\u7528\u9019\u500b\u5b58\u5132\u904e\u7a0b\u6642\uff0c\u6703\u8fd4\u56de\u5c0d\u61c9\u7528\u6236\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e5%82%b3%e5%87%ba%e5%8f%83%e6%95%b8-wnOXhTcmlC\">\u50b3\u51fa\u53c3\u6578<\/h2>\n<p>\u50b3\u51fa\u53c3\u6578\u662f\u6307\u5728\u5b58\u5132\u904e\u7a0b\u57f7\u884c\u5f8c\uff0c\u5c07\u7d50\u679c\u8fd4\u56de\u7d66\u8abf\u7528\u8005\u7684\u53c3\u6578\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u7528\u65bc\u7372\u53d6\u8a08\u7b97\u7d50\u679c\u6216\u72c0\u614b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u50b3\u51fa\u53c3\u6578\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE GetUserCount(OUT userCount INT)\nBEGIN\n    SELECT COUNT(*) INTO userCount FROM users;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>GetUserCount<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u5b83\u63a5\u53d7\u4e00\u500b\u50b3\u51fa\u53c3\u6578 <code>userCount<\/code>\u3002\u9019\u500b\u5b58\u5132\u904e\u7a0b\u8a08\u7b97\u7528\u6236\u8868\u4e2d\u7684\u7528\u6236\u6578\u91cf\uff0c\u4e26\u5c07\u7d50\u679c\u5b58\u5132\u5728 <code>userCount<\/code> \u4e2d\uff0c\u4f9b\u8abf\u7528\u8005\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b5%90%e5%90%88%e5%82%b3%e5%85%a5%e5%92%8c%e5%82%b3%e5%87%ba%e5%8f%83%e6%95%b8-wnOXhTcmlC\">\u7d50\u5408\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u540c\u6642\u4f7f\u7528\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u66f4\u52a0\u9748\u6d3b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u7d50\u5408\u4f7f\u7528\u9019\u5169\u7a2e\u53c3\u6578\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE GetUserDetails(IN userId INT, OUT userName VARCHAR(100))\nBEGIN\n    SELECT name INTO userName FROM users WHERE id = userId;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b <code>GetUserDetails<\/code> \u63a5\u53d7\u4e00\u500b\u50b3\u5165\u53c3\u6578 <code>userId<\/code>\uff0c\u4e26\u8fd4\u56de\u5c0d\u61c9\u7528\u6236\u7684\u540d\u7a31\u4f5c\u70ba\u50b3\u51fa\u53c3\u6578 <code>userName<\/code>\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wnOXhTcmlC\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u7684\u5b58\u5132\u904e\u7a0b\u63d0\u4f9b\u4e86\u4e00\u7a2e\u5f37\u5927\u7684\u65b9\u5f0f\u4f86\u5c01\u88dd\u548c\u91cd\u7528 SQL \u8a9e\u53e5\u3002\u901a\u904e\u4f7f\u7528\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\uff0c\u4e26\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u5728\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u7cfb\u7d71\u4e2d\uff0c\u5408\u7406\u5229\u7528\u5b58\u5132\u904e\u7a0b\u90fd\u80fd\u986f\u8457\u63d0\u5347\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 MySQL \u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u50b3\u5165\u548c\u50b3\u51fa\u53c3\u6578\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u8907\u96dc\u67e5\u8a62\u64cd\u4f5c\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-153019","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153019","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=153019"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153019\/revisions"}],"predecessor-version":[{"id":153020,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153019\/revisions\/153020"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}