{"id":75872,"date":"2024-10-16T01:56:16","date_gmt":"2024-10-15T17:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75872\/"},"modified":"2024-10-16T01:56:16","modified_gmt":"2024-10-15T17:56:16","slug":"mysql-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e7%9a%84%e8%aa%9e%e6%b3%95%e5%ad%b8%e7%bf%92","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75872\/","title":{"rendered":"MySQL \u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u8a9e\u6cd5\u5b78\u7fd2"},"content":{"rendered":"<h1 id=\"mysql-%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e4%b8%ad%e7%9a%84%e8%aa%9e%e6%b3%95%e5%ad%b8%e7%bf%92-QAxpxsUynQ\">MySQL \u5b58\u5132\u904e\u7a0b\u4e2d\u7684\u8a9e\u6cd5\u5b78\u7fd2<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMySQL \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b58\u5132\u904e\u7a0b\u662f MySQL \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5c07\u4e00\u7d44 SQL \u8a9e\u53e5\u5c01\u88dd\u5728\u4e00\u8d77\uff0c\u4e26\u4ee5\u4e00\u500b\u55ae\u4f4d\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\u7684\u8a9e\u6cd5\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\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-QAxpxsUynQ\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u5148\u7de8\u5beb\u7684 SQL \u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b83\u5011\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\uff0c\u4e26\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\u6e1b\u5c11\u4e86\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u3002<\/li>\n<li>\u4ee3\u78bc\u91cd\u7528\uff1a\u53ef\u4ee5\u5728\u591a\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u91cd\u8907\u4f7f\u7528\u76f8\u540c\u7684\u908f\u8f2f\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u6578\u64da\u7684\u76f4\u63a5\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-QAxpxsUynQ\">\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5<\/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>\u5176\u4e2d\uff0c<code>procedure_name<\/code> \u662f\u5b58\u5132\u904e\u7a0b\u7684\u540d\u7a31\uff0c<code>parameters<\/code> \u662f\u53ef\u9078\u7684\u53c3\u6578\u5217\u8868\uff0c<code>SQL statements<\/code> \u662f\u8981\u57f7\u884c\u7684 SQL \u8a9e\u53e5\u3002<\/p>\n<h3 id=\"%e5%8f%83%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8-QAxpxsUynQ\">\u53c3\u6578\u7684\u4f7f\u7528<\/h3>\n<p>\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u63a5\u53d7\u4e09\u7a2e\u985e\u578b\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>IN<\/strong>\uff1a\u8f38\u5165\u53c3\u6578\uff0c\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u4e0d\u80fd\u4fee\u6539\u3002<\/li>\n<li><strong>OUT<\/strong>\uff1a\u8f38\u51fa\u53c3\u6578\uff0c\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u4fee\u6539\uff0c\u4e26\u5c07\u7d50\u679c\u8fd4\u56de\u7d66\u8abf\u7528\u8005\u3002<\/li>\n<li><strong>INOUT<\/strong>\uff1a\u8f38\u5165\u8f38\u51fa\u53c3\u6578\uff0c\u65e2\u53ef\u4ee5\u4f5c\u70ba\u8f38\u5165\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u70ba\u8f38\u51fa\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u53c3\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE GetEmployeeByID(IN emp_id INT)\nBEGIN\n    SELECT * FROM Employees WHERE id = emp_id;\nEND;<\/code><\/pre>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-QAxpxsUynQ\">\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>\u4f8b\u5982\uff0c\u8abf\u7528\u4e0a\u9762\u5275\u5efa\u7684\u5b58\u5132\u904e\u7a0b\uff1a<\/p>\n<pre><code>CALL GetEmployeeByID(1);<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e8%bc%b8%e5%87%ba%e5%8f%83%e6%95%b8%e7%9a%84%e7%a4%ba%e4%be%8b-QAxpxsUynQ\">\u4f7f\u7528\u8f38\u51fa\u53c3\u6578\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u8f38\u51fa\u53c3\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE GetEmployeeCount(OUT emp_count INT)\nBEGIN\n    SELECT COUNT(*) INTO emp_count FROM Employees;\nEND;<\/code><\/pre>\n<p>\u8abf\u7528\u9019\u500b\u5b58\u5132\u904e\u7a0b\u4e26\u7372\u53d6\u7d50\u679c\uff1a<\/p>\n<pre><code>CALL GetEmployeeCount(@count);\nSELECT @count;<\/code><\/pre>\n<h2 id=\"%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e5%84%aa%e5%8c%96-QAxpxsUynQ\">\u5b58\u5132\u904e\u7a0b\u7684\u512a\u5316<\/h2>\n<p>\u5728\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u6642\uff0c\u512a\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528\u6e38\u6a19\uff0c\u76e1\u91cf\u4f7f\u7528\u96c6\u5408\u64cd\u4f5c\u3002<\/li>\n<li>\u6e1b\u5c11\u5b58\u5132\u904e\u7a0b\u4e2d\u7684 SQL \u8a9e\u53e5\u6578\u91cf\uff0c\u5408\u4f75\u76f8\u4f3c\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QAxpxsUynQ\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u5b58\u5132\u904e\u7a0b\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u4ee3\u78bc\u7684\u91cd\u7528\u6027\u548c\u6027\u80fd\u3002\u901a\u904e\u5b78\u7fd2\u5176\u8a9e\u6cd5\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u638c\u63e1\u5b58\u5132\u904e\u7a0b\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2 MySQL \u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u8655\u7406\u6d41\u7a0b\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-75872","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75872","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=75872"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75872\/revisions"}],"predecessor-version":[{"id":75873,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75872\/revisions\/75873"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}