{"id":187486,"date":"2024-11-11T14:40:19","date_gmt":"2024-11-11T06:40:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187486\/"},"modified":"2024-11-11T14:40:20","modified_gmt":"2024-11-11T06:40:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e8%aa%9e%e5%8f%a5%ef%bc%9a%e6%93%8d%e4%bd%9c%e7%b2%be%e6%ba%96%ef%bc%8c%e6%95%88%e7%8e%87%e9%ab%98-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8a%e9%9d%a2%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187486\/","title":{"rendered":"\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\uff1a\u64cd\u4f5c\u7cbe\u6e96\uff0c\u6548\u7387\u9ad8 (\u6578\u64da\u5eab\u4e0a\u9762\u4fee\u6539\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e8%aa%9e%e5%8f%a5%ef%bc%9a%e6%93%8d%e4%bd%9c%e7%b2%be%e6%ba%96%ef%bc%8c%e6%95%88%e7%8e%87%e9%ab%98-WqCFifapZm\">\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\uff1a\u64cd\u4f5c\u7cbe\u6e96\uff0c\u6548\u7387\u9ad8<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4fee\u6539\u8a9e\u53e5\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u7121\u8ad6\u662f\u66f4\u65b0\u73fe\u6709\u6578\u64da\u3001\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u8a18\u9304\uff0c\u9084\u662f\u63d2\u5165\u65b0\u6578\u64da\uff0c\u9019\u4e9b\u64cd\u4f5c\u90fd\u9700\u8981\u7cbe\u78ba\u4e14\u9ad8\u6548\u7684\u57f7\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u7528\u8a9e\u53e5\u53ca\u5176\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u8b80\u8005\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u9054\u5230\u66f4\u9ad8\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WqCFifapZm\">\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\u4e3b\u8981\u5305\u62ec\u4e09\u7a2e\u64cd\u4f5c\uff1a<strong>INSERT<\/strong>\u3001<strong>UPDATE<\/strong> \u548c <strong>DELETE<\/strong>\u3002\u9019\u4e9b\u8a9e\u53e5\u662f SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u7684\u4e00\u90e8\u5206\uff0c\u80fd\u5920\u8b93\u7528\u6236\u5c0d\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u9032\u884c\u589e\u522a\u6539\u67e5\u7b49\u64cd\u4f5c\u3002<\/p>\n<ul>\n<li><strong>INSERT<\/strong>\uff1a\u7528\u65bc\u5411\u6578\u64da\u8868\u4e2d\u63d2\u5165\u65b0\u8a18\u9304\u3002<\/li>\n<li><strong>UPDATE<\/strong>\uff1a\u7528\u65bc\u4fee\u6539\u5df2\u5b58\u5728\u7684\u8a18\u9304\u3002<\/li>\n<li><strong>DELETE<\/strong>\uff1a\u7528\u65bc\u522a\u9664\u6578\u64da\u8868\u4e2d\u7684\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%ae%e6%94%b9%e8%aa%9e%e5%8f%a5-WqCFifapZm\">\u5e38\u7528\u7684\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5<\/h2>\n<h3 id=\"1-insert-%e8%aa%9e%e5%8f%a5-WqCFifapZm\">1. INSERT \u8a9e\u53e5<\/h3>\n<p>INSERT \u8a9e\u53e5\u7528\u65bc\u5c07\u65b0\u6578\u64da\u6dfb\u52a0\u5230\u6578\u64da\u8868\u4e2d\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO \u8868\u540d (\u6b04\u4f4d1, \u6b04\u4f4d2, \u6b04\u4f4d3) VALUES (\u503c1, \u503c2, \u503c3);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5411\u540d\u70ba <code>users<\/code> \u7684\u8868\u4e2d\u63d2\u5165\u4e00\u689d\u65b0\u7528\u6236\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('john_doe', 'john@example.com');<\/code><\/pre>\n<h3 id=\"2-update-%e8%aa%9e%e5%8f%a5-WqCFifapZm\">2. UPDATE \u8a9e\u53e5<\/h3>\n<p>UPDATE \u8a9e\u53e5\u7528\u65bc\u4fee\u6539\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d SET \u6b04\u4f4d1 = \u503c1, \u6b04\u4f4d2 = \u503c2 WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u66f4\u65b0\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john_new@example.com' WHERE username = 'john_doe';<\/code><\/pre>\n<h3 id=\"3-delete-%e8%aa%9e%e5%8f%a5-WqCFifapZm\">3. DELETE \u8a9e\u53e5<\/h3>\n<p>DELETE \u8a9e\u53e5\u7528\u65bc\u522a\u9664\u6578\u64da\u8868\u4e2d\u7684\u8a18\u9304\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u7528\u6236 <code>john_doe<\/code> \u7684\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-WqCFifapZm\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u63d0\u9ad8\u64cd\u4f5c\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9<\/strong>\uff1a\u5728\u9032\u884c\u591a\u500b\u4fee\u6539\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u5176\u4e2d\u4e00\u500b\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u53ef\u4ee5\u56de\u6efe\u6240\u6709\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6dfb\u52a0\u689d\u4ef6<\/strong>\uff1a\u5728 UPDATE \u548c DELETE \u8a9e\u53e5\u4e2d\uff0c\u52d9\u5fc5\u6dfb\u52a0 WHERE \u689d\u4ef6\uff0c\u4ee5\u907f\u514d\u610f\u5916\u4fee\u6539\u6216\u522a\u9664\u6240\u6709\u8a18\u9304\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd<\/strong>\uff1a\u5728\u9032\u884c\u5927\u898f\u6a21\u7684\u6578\u64da\u4fee\u6539\u4e4b\u524d\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316<\/strong>\uff1a\u5c0d\u65bc\u5927\u578b\u6578\u64da\u8868\uff0c\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u548c\u4fee\u6539\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WqCFifapZm\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\u662f\u6578\u64da\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u6b63\u78ba\u4f7f\u7528\u9019\u4e9b\u8a9e\u53e5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u7cbe\u6e96\u5ea6\u548c\u6548\u7387\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u64cd\u4f5c\u6578\u64da\u5eab\u90fd\u662f\u6bcf\u4f4d\u958b\u767c\u8005\u5fc5\u5099\u7684\u6280\u80fd\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u8b80\u8005\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6578\u64da\u5eab\u4fee\u6539\u8a9e\u53e5\uff0c\u63d0\u5347\u64cd\u4f5c\u7cbe\u6e96\u5ea6\u8207\u6548\u7387\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u6d41\u66a2\uff0c\u52a9\u529b\u696d\u52d9\u6c7a\u7b56\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-187486","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187486","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=187486"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187486\/revisions"}],"predecessor-version":[{"id":187487,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187486\/revisions\/187487"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}