{"id":79474,"date":"2024-10-16T13:06:42","date_gmt":"2024-10-16T05:06:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79474\/"},"modified":"2024-10-16T13:06:42","modified_gmt":"2024-10-16T05:06:42","slug":"mysql%e6%8c%87%e4%bb%a4-procedure%ef%bc%88%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79474\/","title":{"rendered":"MySQL\u6307\u4ee4: PROCEDURE\uff08\u5b58\u5132\u904e\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-procedure%ef%bc%88%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%89-gVFZLGpnaF\">MySQL\u6307\u4ee4: PROCEDURE\uff08\u5b58\u5132\u904e\u7a0b\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5176\u5f37\u5927\u7684\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u5b58\u5132\u904e\u7a0b\uff08PROCEDURE\uff09\u662fMySQL\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5c01\u88ddSQL\u8a9e\u53e5\uff0c\u5f9e\u800c\u63d0\u9ad8\u4ee3\u78bc\u7684\u91cd\u7528\u6027\u548c\u53ef\u7dad\u8b77\u6027\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-gVFZLGpnaF\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u5beb\u7684SQL\u8a9e\u53e5\uff0c\u9019\u4e9b\u8a9e\u53e5\u88ab\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b58\u5132\u904e\u7a0b\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u5011\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u91cd\u8907\u4f7f\u7528\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4ee3\u78bc\u7684\u91cd\u8907\u6027\u3002<\/p>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%84%aa%e5%8b%a2-gVFZLGpnaF\">\u5b58\u5132\u904e\u7a0b\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u5b58\u5132\u904e\u7a0b\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\uff0c\u6e1b\u5c11\u4e86\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904e\u5b58\u5132\u904e\u7a0b\uff0c\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u4ee3\u78bc\u91cd\u7528\uff1a<\/strong>\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u5728\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u91cd\u8907\u4f7f\u7528\uff0c\u6e1b\u5c11\u4e86\u4ee3\u78bc\u7684\u5197\u9918\u3002<\/li>\n<li><strong>\u6613\u65bc\u7dad\u8b77\uff1a<\/strong>\u7576\u9700\u8981\u4fee\u6539\u908f\u8f2f\u6642\uff0c\u53ea\u9700\u66f4\u65b0\u5b58\u5132\u904e\u7a0b\uff0c\u800c\u4e0d\u5fc5\u4fee\u6539\u6240\u6709\u8abf\u7528\u8a72\u908f\u8f2f\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-gVFZLGpnaF\">\u5982\u4f55\u5275\u5efa\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE procedure_name (parameters)\nBEGIN\n    -- SQL statements\nEND;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u5b58\u5132\u904e\u7a0b\u4f86\u8a08\u7b97\u5169\u500b\u6578\u5b57\u7684\u548c\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE AddNumbers(IN num1 INT, IN num2 INT, OUT result INT)\nBEGIN\n    SET result = num1 + num2;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>AddNumbers<\/code> \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u5b83\u63a5\u53d7\u5169\u500b\u6574\u6578\u4f5c\u70ba\u8f38\u5165\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u5b83\u5011\u7684\u548c\u4f5c\u70ba\u8f38\u51fa\u53c3\u6578\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-gVFZLGpnaF\">\u8abf\u7528\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CALL procedure_name(arguments);<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u9762\u7684 <code>AddNumbers<\/code> \u5b58\u5132\u904e\u7a0b\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u8abf\u7528\u5b83\uff1a<\/p>\n<pre><code>SET @result = 0;\nCALL AddNumbers(5, 10, @result);\nSELECT @result AS Sum;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8a08\u7b975\u548c10\u7684\u548c\uff0c\u4e26\u5c07\u7d50\u679c\u5b58\u5132\u5728\u8b8a\u91cf <code>@result<\/code> \u4e2d\uff0c\u6700\u5f8c\u901a\u904e <code>SELECT<\/code> \u8a9e\u53e5\u986f\u793a\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-gVFZLGpnaF\">\u5b58\u5132\u904e\u7a0b\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u547d\u540d\u898f\u5247\uff1a<\/strong>\u4f7f\u7528\u6e05\u6670\u4e14\u5177\u63cf\u8ff0\u6027\u7684\u540d\u7a31\uff0c\u4ee5\u4fbf\u65bc\u7406\u89e3\u5b58\u5132\u904e\u7a0b\u7684\u529f\u80fd\u3002<\/li>\n<li><strong>\u53c3\u6578\u4f7f\u7528\uff1a<\/strong>\u5408\u7406\u4f7f\u7528\u8f38\u5165\u548c\u8f38\u51fa\u53c3\u6578\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u52a0\u5165\u932f\u8aa4\u8655\u7406\u908f\u8f2f\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u5b58\u5132\u904e\u7a0b\u7684\u6027\u80fd\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gVFZLGpnaF\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u4ee3\u78bc\u7684\u91cd\u7528\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u9019\u6a23\u7684\u5e02\u5834\u4e2d\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u63d0\u4f9b\u4e86\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684\u5b58\u5132\u904e\u7a0b\uff08PROCEDURE\uff09\uff0c\u5b78\u7fd2\u5982\u4f55\u5275\u5efa\u3001\u8abf\u7528\u548c\u7ba1\u7406\u9ad8\u6548\u7684\u6578\u64da\u5eab\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-79474","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79474","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=79474"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79474\/revisions"}],"predecessor-version":[{"id":79475,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79474\/revisions\/79475"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}