{"id":187808,"date":"2024-11-11T17:21:23","date_gmt":"2024-11-11T09:21:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187808\/"},"modified":"2024-11-11T17:21:24","modified_gmt":"2024-11-11T09:21:24","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%a6%82%e4%bd%95%e9%80%b2%e8%a1%8c%e6%a8%99%e8%a8%98%e5%8c%96%e8%99%95%e7%90%86-%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a3%a1%e6%80%8e%e9%ba%bc%e5%81%9a%e6%a8%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187808\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u5982\u4f55\u9032\u884c\u6a19\u8a18\u5316\u8655\u7406 (\u5728\u6578\u64da\u5eab\u88e1\u600e\u9ebc\u505a\u6a19\u8a18)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%a6%82%e4%bd%95%e9%80%b2%e8%a1%8c%e6%a8%99%e8%a8%98%e5%8c%96%e8%99%95%e7%90%86-%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a3%a1%e6%80%8e%e9%ba%bc%e5%81%9a%e6%a8%99-zNscsTrHWk\">\u6578\u64da\u5eab\u4e2d\u5982\u4f55\u9032\u884c\u6a19\u8a18\u5316\u8655\u7406 (\u5728\u6578\u64da\u5eab\u88e1\u600e\u9ebc\u505a\u6a19\u8a18)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u8655\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u6a19\u8a18\u5316\u8655\u7406\uff08Tagging\uff09\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u7d44\u7e54\u548c\u6aa2\u7d22\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u67e5\u627e\u4fe1\u606f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728\u6578\u64da\u5eab\u4e2d\u5982\u4f55\u9032\u884c\u6a19\u8a18\u5316\u8655\u7406\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a8%99%e8%a8%98%e5%8c%96%e8%99%95%e7%90%86%ef%bc%9f-zNscsTrHWk\">\u4ec0\u9ebc\u662f\u6a19\u8a18\u5316\u8655\u7406\uff1f<\/h2>\n<p>\u6a19\u8a18\u5316\u8655\u7406\u662f\u6307\u70ba\u6578\u64da\u9805\u76ee\u5206\u914d\u4e00\u7d44\u6a19\u7c64\u6216\u6a19\u8a18\uff0c\u4ee5\u4fbf\u65bc\u5206\u985e\u3001\u6aa2\u7d22\u548c\u7ba1\u7406\u3002\u9019\u4e9b\u6a19\u7c64\u53ef\u4ee5\u662f\u95dc\u9375\u5b57\u3001\u985e\u5225\u6216\u5176\u4ed6\u63cf\u8ff0\u6027\u8a5e\u8a9e\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u6a19\u8a18\u5316\u8655\u7406\u901a\u5e38\u6d89\u53ca\u5230\u5728\u6578\u64da\u8868\u4e2d\u6dfb\u52a0\u4e00\u500b\u6216\u591a\u500b\u5b57\u6bb5\u4f86\u5b58\u5132\u9019\u4e9b\u6a19\u7c64\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%a8%99%e8%a8%98%e5%8c%96%e8%99%95%e7%90%86%ef%bc%9f-zNscsTrHWk\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6a19\u8a18\u5316\u8655\u7406\uff1f<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u6aa2\u7d22\u6548\u7387\uff1a<\/strong>\u901a\u904e\u6a19\u8a18\uff0c\u6578\u64da\u53ef\u4ee5\u66f4\u5feb\u5730\u88ab\u6aa2\u7d22\u5230\uff0c\u7279\u5225\u662f\u5728\u9762\u5c0d\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u589e\u5f37\u6578\u64da\u7d44\u7e54\uff1a<\/strong>\u6a19\u8a18\u5316\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7d44\u7e54\u548c\u5206\u985e\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7dad\u67e5\u8a62\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u6a19\u7c64\u9032\u884c\u67e5\u8a62\uff0c\u7372\u5f97\u66f4\u7cbe\u78ba\u7684\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%af%a6%e7%8f%be%e6%a8%99%e8%a8%98%e5%8c%96%e8%99%95%e7%90%86-zNscsTrHWk\">\u5728\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u6a19\u8a18\u5316\u8655\u7406<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u6a19\u8a18\u5316\u8655\u7406\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-zNscsTrHWk\">1. \u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u8a2d\u8a08\u6578\u64da\u5eab\u7684\u7d50\u69cb\uff0c\u4ee5\u4fbf\u80fd\u5920\u5b58\u5132\u6a19\u7c64\u4fe1\u606f\u3002\u901a\u5e38\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\u4f86\u5be6\u73fe\uff0c\u8a72\u8868\u5c08\u9580\u7528\u65bc\u5b58\u5132\u6a19\u7c64\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE tags (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(255) NOT NULL\n);\n\nCREATE TABLE articles (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    title VARCHAR(255) NOT NULL,\n    content TEXT NOT NULL\n);\n\nCREATE TABLE article_tags (\n    article_id INT,\n    tag_id INT,\n    FOREIGN KEY (article_id) REFERENCES articles(id),\n    FOREIGN KEY (tag_id) REFERENCES tags(id)\n);<\/code><\/pre>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e6%a8%99%e7%b1%a4-zNscsTrHWk\">2. \u6dfb\u52a0\u6a19\u7c64<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u7d50\u69cb\u8a2d\u8a08\u5b8c\u6210\u5f8c\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u5411\u6a19\u7c64\u8868\u4e2d\u6dfb\u52a0\u6a19\u7c64\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>INSERT INTO tags (name) VALUES ('\u79d1\u6280'), ('\u5065\u5eb7'), ('\u65c5\u904a');<\/code><\/pre>\n<h3 id=\"3-%e5%b0%87%e6%a8%99%e7%b1%a4%e8%88%87%e6%95%b8%e6%93%9a%e9%97%9c%e8%81%af-zNscsTrHWk\">3. \u5c07\u6a19\u7c64\u8207\u6578\u64da\u95dc\u806f<\/h3>\n<p>\u4e00\u65e6\u6a19\u7c64\u88ab\u6dfb\u52a0\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u5c07\u9019\u4e9b\u6a19\u7c64\u8207\u5177\u9ad4\u7684\u6578\u64da\u9805\u76ee\uff08\u4f8b\u5982\u6587\u7ae0\uff09\u95dc\u806f\u3002\u9019\u53ef\u4ee5\u901a\u904e\u63d2\u5165\u95dc\u806f\u8868\u4e2d\u7684\u6578\u64da\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>INSERT INTO article_tags (article_id, tag_id) VALUES (1, 1), (1, 2), (2, 1);<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e5%b8%b6%e6%9c%89%e6%a8%99%e7%b1%a4%e7%9a%84%e6%95%b8%e6%93%9a-zNscsTrHWk\">4. \u67e5\u8a62\u5e36\u6709\u6a19\u7c64\u7684\u6578\u64da<\/h3>\n<p>\u6700\u5f8c\uff0c\u7576\u9700\u8981\u6aa2\u7d22\u5e36\u6709\u7279\u5b9a\u6a19\u7c64\u7684\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528JOIN\u8a9e\u53e5\u4f86\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u67e5\u8a62\u6240\u6709\u5e36\u6709\u201c\u79d1\u6280\u201d\u6a19\u7c64\u7684\u6587\u7ae0\uff1a<\/p>\n<pre><code>SELECT a.title, a.content\nFROM articles a\nJOIN article_tags at ON a.id = at.article_id\nJOIN tags t ON at.tag_id = t.id\nWHERE t.name = '\u79d1\u6280';<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-zNscsTrHWk\">\u7d50\u8ad6<\/h2>\n<p>\u6a19\u8a18\u5316\u8655\u7406\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u6aa2\u7d22\u6548\u7387\u548c\u7d44\u7e54\u6027\u3002\u901a\u904e\u8a2d\u8a08\u5408\u9069\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3001\u6dfb\u52a0\u6a19\u7c64\u3001\u95dc\u806f\u6578\u64da\u4ee5\u53ca\u9032\u884c\u67e5\u8a62\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6a19\u8a18\u5316\u8655\u7406\u5c07\u6210\u70ba\u4e00\u7a2e\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u8853\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u6a19\u8a18\u5316\u8655\u7406\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u61c9\u7528\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u6a19\u8a18\u5316\u8655\u7406\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u96b1\u79c1\u4fdd\u8b77\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-187808","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187808","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=187808"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187808\/revisions"}],"predecessor-version":[{"id":187809,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187808\/revisions\/187809"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}