{"id":187664,"date":"2024-11-11T16:09:18","date_gmt":"2024-11-11T08:09:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187664\/"},"modified":"2024-11-11T16:09:19","modified_gmt":"2024-11-11T08:09:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%9f%a5%e6%94%b9%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%9f%a5%e6%94%b9%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187664\/","title":{"rendered":"\u6578\u64da\u5eab\u589e\u522a\u67e5\u6539\u64cd\u4f5c\u793a\u4f8b (\u6578\u64da\u5eab\u589e\u522a\u67e5\u6539\u4f8b\u5b50)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%9f%a5%e6%94%b9%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a2%9e%e5%88%aa%e6%9f%a5%e6%94%b9%e4%be%8b%e5%ad%90-PuQIXzlDpB\">\u6578\u64da\u5eab\u589e\u522a\u67e5\u6539\u64cd\u4f5c\u793a\u4f8b (\u6578\u64da\u5eab\u589e\u522a\u67e5\u6539\u4f8b\u5b50)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u6578\u64da\u5eab\u7684\u589e\u522a\u67e5\u6539\uff08CRUD\uff09\u64cd\u4f5c\u662f\u6307\u5275\u5efa\uff08Create\uff09\u3001\u8b80\u53d6\uff08Read\uff09\u3001\u66f4\u65b0\uff08Update\uff09\u548c\u522a\u9664\uff08Delete\uff09\u6578\u64da\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e9b\u64cd\u4f5c\u7684\u5177\u9ad4\u793a\u4f8b\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u7247\u6bb5\uff0c\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e9b\u6982\u5ff5\u3002<\/p>\n<h2 id=\"1-%e5%89%b5%e5%bb%ba%ef%bc%88create%ef%bc%89-PuQIXzlDpB\">1. \u5275\u5efa\uff08Create\uff09<\/h2>\n<p>\u5275\u5efa\u64cd\u4f5c\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 SQL \u8a9e\u8a00\u5275\u5efa\u65b0\u8a18\u9304\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email, password) VALUES ('john_doe', 'john@example.com', 'securepassword');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5411\u540d\u70ba <code>users<\/code> \u7684\u8868\u4e2d\u63d2\u5165\u4e86\u4e00\u689d\u65b0\u8a18\u9304\uff0c\u5305\u542b\u7528\u6236\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u5bc6\u78bc\u3002\u9019\u662f\u5275\u5efa\u64cd\u4f5c\u7684\u57fa\u672c\u5f62\u5f0f\uff0c\u901a\u5e38\u7528\u65bc\u8a3b\u518a\u65b0\u7528\u6236\u6216\u6dfb\u52a0\u65b0\u6578\u64da\u3002<\/p>\n<h2 id=\"2-%e8%ae%80%e5%8f%96%ef%bc%88read%ef%bc%89-PuQIXzlDpB\">2. \u8b80\u53d6\uff08Read\uff09<\/h2>\n<p>\u8b80\u53d6\u64cd\u4f5c\u662f\u6307\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6240\u6709\u7528\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u689d SQL \u8a9e\u53e5\u5c07\u8fd4\u56de <code>users<\/code> \u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002\u5982\u679c\u6211\u5011\u53ea\u60f3\u67e5\u8a62\u7279\u5b9a\u7528\u6236\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u7372\u53d6\u7528\u6236\u540d\u70ba <code>john_doe<\/code> \u7684\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"3-%e6%9b%b4%e6%96%b0%ef%bc%88update%ef%bc%89-PuQIXzlDpB\">3. \u66f4\u65b0\uff08Update\uff09<\/h2>\n<p>\u66f4\u65b0\u64cd\u4f5c\u662f\u6307\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u66f4\u65b0\u7528\u6236\u96fb\u5b50\u90f5\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john_new@example.com' WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u689d SQL \u8a9e\u53e5\u5c07\u7528\u6236\u540d\u70ba <code>john_doe<\/code> \u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u66f4\u65b0\u70ba <code>john_new@example.com<\/code>\u3002\u66f4\u65b0\u64cd\u4f5c\u901a\u5e38\u7528\u65bc\u4fee\u6539\u7528\u6236\u8cc7\u6599\u6216\u4fee\u6b63\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"4-%e5%88%aa%e9%99%a4%ef%bc%88delete%ef%bc%89-PuQIXzlDpB\">4. \u522a\u9664\uff08Delete\uff09<\/h2>\n<p>\u522a\u9664\u64cd\u4f5c\u662f\u6307\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u522a\u9664\u7528\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u689d SQL \u8a9e\u53e5\u5c07\u522a\u9664\u7528\u6236\u540d\u70ba <code>john_doe<\/code> \u7684\u7528\u6236\u8a18\u9304\u3002\u522a\u9664\u64cd\u4f5c\u9700\u8981\u8b39\u614e\u4f7f\u7528\uff0c\u4ee5\u514d\u8aa4\u522a\u91cd\u8981\u6578\u64da\u3002<\/p>\n<h2 id=\"5-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PuQIXzlDpB\">5. \u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\uff1a<\/strong>\u5728\u9032\u884c\u589e\u522a\u67e5\u6539\u64cd\u4f5c\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li><strong>\u5099\u4efd\uff1a<\/strong>\u5728\u9032\u884c\u522a\u9664\u6216\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u640d\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PuQIXzlDpB\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u589e\u522a\u67e5\u6539\u64cd\u4f5c\u662f\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\u81f3\u95dc\u91cd\u8981\u7684\u90e8\u5206\u3002\u901a\u904e\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 SQL \u8a9e\u8a00\u9032\u884c\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u7121\u8ad6\u662f\u5275\u5efa\u65b0\u8a18\u9304\u3001\u67e5\u8a62\u6578\u64da\u3001\u66f4\u65b0\u4fe1\u606f\u9084\u662f\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\uff0c\u9019\u4e9b\u64cd\u4f5c\u90fd\u662f\u65e5\u5e38\u958b\u767c\u5de5\u4f5c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u5b89\u5168\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u589e\u522a\u67e5\u6539\u64cd\u4f5c\u7684\u5be6\u7528\u793a\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u80fd\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-187664","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187664","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=187664"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187664\/revisions"}],"predecessor-version":[{"id":187665,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187664\/revisions\/187665"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}