{"id":187038,"date":"2024-11-11T10:56:24","date_gmt":"2024-11-11T02:56:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187038\/"},"modified":"2024-11-11T10:56:25","modified_gmt":"2024-11-11T02:56:25","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e6%87%89%e7%94%a8%e6%96%bc%e7%9f%a5%e4%b9%8e%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%87%89%e7%94%a8%e7%9f%a5%e4%b9%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187038\/","title":{"rendered":"\u6578\u64da\u5eab\u5982\u4f55\u61c9\u7528\u65bc\u77e5\u4e4e\uff1f (\u6578\u64da\u5eab\u61c9\u7528\u77e5\u4e4e)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e6%87%89%e7%94%a8%e6%96%bc%e7%9f%a5%e4%b9%8e%ef%bc%9f-HqDHLiRPwr\">\u6578\u64da\u5eab\u5982\u4f55\u61c9\u7528\u65bc\u77e5\u4e4e\uff1f<\/h1>\n<p>\u77e5\u4e4e\u4f5c\u70ba\u4e00\u500b\u77e5\u8b58\u5206\u4eab\u5e73\u53f0\uff0c\u64c1\u6709\u5927\u91cf\u7684\u7528\u6236\u751f\u6210\u5167\u5bb9\uff0c\u9019\u4e9b\u5167\u5bb9\u7684\u7ba1\u7406\u548c\u5b58\u5132\u5c0d\u65bc\u5e73\u53f0\u7684\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u6578\u64da\u5eab\u5728\u77e5\u4e4e\u7684\u61c9\u7528\u4e0d\u50c5\u9650\u65bc\u5b58\u5132\u554f\u984c\u548c\u56de\u7b54\uff0c\u9084\u5305\u62ec\u7528\u6236\u8cc7\u6599\u3001\u6a19\u7c64\u7cfb\u7d71\u3001\u63a8\u85a6\u7b97\u6cd5\u7b49\u591a\u500b\u65b9\u9762\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u5728\u77e5\u4e4e\u4e2d\u7684\u591a\u7a2e\u61c9\u7528\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-HqDHLiRPwr\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7531\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u9032\u884c\u7ba1\u7406\u3002\u6578\u64da\u5eab\u53ef\u4ee5\u5206\u70ba\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u3002\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u901a\u904e\u95dc\u806f\u4f86\u9023\u63a5\u4e0d\u540c\u7684\u6578\u64da\uff0c\u800c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5247\u66f4\u9748\u6d3b\uff0c\u9069\u5408\u5b58\u5132\u7d50\u69cb\u4e0d\u56fa\u5b9a\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%9f%a5%e4%b9%8e%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b-HqDHLiRPwr\">\u77e5\u4e4e\u7684\u6578\u64da\u5eab\u67b6\u69cb<\/h2>\n<p>\u77e5\u4e4e\u7684\u6578\u64da\u5eab\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6236\u6578\u64da\u5eab\uff1a<\/strong>\u5b58\u5132\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5982\u7528\u6236\u540d\u3001\u5bc6\u78bc\u3001\u500b\u4eba\u8cc7\u6599\u7b49\u3002<\/li>\n<li><strong>\u5167\u5bb9\u6578\u64da\u5eab\uff1a<\/strong>\u5b58\u5132\u554f\u984c\u3001\u56de\u7b54\u3001\u8a55\u8ad6\u7b49\u7528\u6236\u751f\u6210\u5167\u5bb9\u3002<\/li>\n<li><strong>\u6a19\u7c64\u6578\u64da\u5eab\uff1a<\/strong>\u7ba1\u7406\u554f\u984c\u548c\u56de\u7b54\u7684\u6a19\u7c64\uff0c\u4fbf\u65bc\u7528\u6236\u67e5\u627e\u76f8\u95dc\u5167\u5bb9\u3002<\/li>\n<li><strong>\u63a8\u85a6\u7cfb\u7d71\u6578\u64da\u5eab\uff1a<\/strong>\u6839\u64da\u7528\u6236\u884c\u70ba\u548c\u8208\u8da3\uff0c\u5b58\u5132\u63a8\u85a6\u7b97\u6cd5\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%a8%e7%9f%a5%e4%b9%8e%e4%b8%ad%e7%9a%84%e5%85%b7%e9%ab%94%e6%87%89%e7%94%a8-HqDHLiRPwr\">\u6578\u64da\u5eab\u5728\u77e5\u4e4e\u4e2d\u7684\u5177\u9ad4\u61c9\u7528<\/h2>\n<h3 id=\"1-%e7%94%a8%e6%88%b6%e7%ae%a1%e7%90%86-HqDHLiRPwr\">1. \u7528\u6236\u7ba1\u7406<\/h3>\n<p>\u77e5\u4e4e\u7684\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\u4f9d\u8cf4\u65bc\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u6aa2\u7d22\u7528\u6236\u4fe1\u606f\u3002\u7576\u7528\u6236\u8a3b\u518a\u6642\uff0c\u7cfb\u7d71\u6703\u5c07\u5176\u4fe1\u606f\u5b58\u5165\u7528\u6236\u6578\u64da\u5eab\u4e2d\u3002\u9019\u4e9b\u4fe1\u606f\u5305\u62ec\u7528\u6236\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u3001\u8a3b\u518a\u6642\u9593\u7b49\u3002\u7528\u6236\u767b\u9304\u6642\uff0c\u7cfb\u7d71\u6703\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u4f86\u9a57\u8b49\u7528\u6236\u8eab\u4efd\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'example_user' AND password = 'hashed_password';<\/code><\/pre>\n<h3 id=\"2-%e5%85%a7%e5%ae%b9%e5%ad%98%e5%84%b2-HqDHLiRPwr\">2. \u5167\u5bb9\u5b58\u5132<\/h3>\n<p>\u77e5\u4e4e\u7684\u554f\u984c\u548c\u56de\u7b54\u90fd\u662f\u7528\u6236\u751f\u6210\u7684\u5167\u5bb9\uff0c\u9019\u4e9b\u5167\u5bb9\u9700\u8981\u9ad8\u6548\u5730\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u6bcf\u7576\u7528\u6236\u767c\u8868\u554f\u984c\u6216\u56de\u7b54\u6642\uff0c\u9019\u4e9b\u5167\u5bb9\u6703\u88ab\u5b58\u5165\u5167\u5bb9\u6578\u64da\u5eab\u4e2d\u3002\u9019\u6a23\uff0c\u5176\u4ed6\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u4f86\u627e\u5230\u76f8\u95dc\u7684\u554f\u984c\u548c\u56de\u7b54\u3002<\/p>\n<pre><code>INSERT INTO posts (user_id, question_id, content, created_at) VALUES (1, 101, '\u9019\u662f\u4e00\u500b\u793a\u4f8b\u56de\u7b54', NOW());<\/code><\/pre>\n<h3 id=\"3-%e6%a8%99%e7%b1%a4%e7%b3%bb%e7%b5%b1-HqDHLiRPwr\">3. \u6a19\u7c64\u7cfb\u7d71<\/h3>\n<p>\u6a19\u7c64\u7cfb\u7d71\u662f\u77e5\u4e4e\u7684\u4e00\u500b\u91cd\u8981\u529f\u80fd\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u611f\u8208\u8da3\u7684\u5167\u5bb9\u3002\u6bcf\u500b\u554f\u984c\u548c\u56de\u7b54\u90fd\u53ef\u4ee5\u88ab\u6a19\u7c64\uff0c\u9019\u4e9b\u6a19\u7c64\u5b58\u5132\u5728\u6a19\u7c64\u6578\u64da\u5eab\u4e2d\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u6a19\u7c64\u4f86\u7be9\u9078\u554f\u984c\u548c\u56de\u7b54\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002<\/p>\n<pre><code>SELECT * FROM tags WHERE post_id = 101;<\/code><\/pre>\n<h3 id=\"4-%e6%8e%a8%e8%96%a6%e7%ae%97%e6%b3%95-HqDHLiRPwr\">4. \u63a8\u85a6\u7b97\u6cd5<\/h3>\n<p>\u77e5\u4e4e\u7684\u63a8\u85a6\u7cfb\u7d71\u5229\u7528\u6578\u64da\u5eab\u4e2d\u7684\u7528\u6236\u884c\u70ba\u6578\u64da\u4f86\u751f\u6210\u500b\u6027\u5316\u7684\u5167\u5bb9\u63a8\u85a6\u3002\u901a\u904e\u5206\u6790\u7528\u6236\u7684\u9ede\u64ca\u3001\u6536\u85cf\u548c\u8a55\u8ad6\u7b49\u884c\u70ba\uff0c\u7cfb\u7d71\u53ef\u4ee5\u70ba\u7528\u6236\u63a8\u85a6\u4ed6\u5011\u53ef\u80fd\u611f\u8208\u8da3\u7684\u554f\u984c\u548c\u56de\u7b54\u3002<\/p>\n<pre><code>SELECT * FROM posts WHERE tag IN (SELECT tag FROM user_interests WHERE user_id = 1);<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-HqDHLiRPwr\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u5728\u77e5\u4e4e\u7684\u904b\u884c\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5f9e\u7528\u6236\u7ba1\u7406\u5230\u5167\u5bb9\u5b58\u5132\uff0c\u518d\u5230\u6a19\u7c64\u7cfb\u7d71\u548c\u63a8\u85a6\u7b97\u6cd5\uff0c\u6578\u64da\u5eab\u7684\u61c9\u7528\u7121\u8655\u4e0d\u5728\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u9577\u548c\u5167\u5bb9\u7684\u589e\u52a0\uff0c\u77e5\u4e4e\u9700\u8981\u4e0d\u65b7\u512a\u5316\u5176\u6578\u64da\u5eab\u67b6\u69cb\uff0c\u4ee5\u78ba\u4fdd\u5e73\u53f0\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u5728\u77e5\u4e4e\u7684\u61c9\u7528\uff0c\u5305\u62ec\u7528\u6236\u6578\u64da\u7ba1\u7406\u3001\u5167\u5bb9\u63a8\u85a6\u7cfb\u7d71\u53ca\u77e5\u8b58\u5716\u8b5c\u7684\u69cb\u5efa\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\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-187038","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187038","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=187038"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187038\/revisions"}],"predecessor-version":[{"id":187039,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187038\/revisions\/187039"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}