{"id":193981,"date":"2024-11-13T02:46:21","date_gmt":"2024-11-12T18:46:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193981\/"},"modified":"2024-11-13T02:46:23","modified_gmt":"2024-11-12T18:46:23","slug":"%e4%b8%80%e5%80%8bmysql%e5%ad%97%e6%ae%b5%e5%8c%85%e5%90%ab%e5%a4%9a%e5%80%8bid%e7%9a%84%e8%a7%a3%e6%b1%ba%e8%be%a6%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193981\/","title":{"rendered":"\u4e00\u500bMySQL\u5b57\u6bb5\u5305\u542b\u591a\u500bID\u7684\u89e3\u6c7a\u8fa6\u6cd5"},"content":{"rendered":"<h1 id=\"%e4%b8%80%e5%80%8bmysql%e5%ad%97%e6%ae%b5%e5%8c%85%e5%90%ab%e5%a4%9a%e5%80%8bid%e7%9a%84%e8%a7%a3%e6%b1%ba%e8%be%a6%e6%b3%95-TRnCBbTuCU\">\u4e00\u500bMySQL\u5b57\u6bb5\u5305\u542b\u591a\u500bID\u7684\u89e3\u6c7a\u8fa6\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u7d93\u5e38\u6703\u9047\u5230\u9700\u8981\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u5b58\u5132\u591a\u500bID\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u51fa\u73fe\u5728\u4e00\u5c0d\u591a\u6216\u591a\u5c0d\u591a\u7684\u95dc\u4fc2\u4e2d\u3002\u96d6\u7136\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5c07\u591a\u500bID\u5b58\u5132\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u4f3c\u4e4e\u662f\u65b9\u4fbf\u7684\uff0c\u4f46\u9019\u6a23\u7684\u505a\u6cd5\u6703\u5e36\u4f86\u8a31\u591a\u554f\u984c\uff0c\u5305\u62ec\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\u3001\u6578\u64da\u5b8c\u6574\u6027\u96e3\u4ee5\u7dad\u8b77\u7b49\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u9019\u4e00\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%b8%8d%e6%87%89%e8%a9%b2%e5%9c%a8%e4%b8%80%e5%80%8b%e5%ad%97%e6%ae%b5%e4%b8%ad%e5%ad%98%e5%84%b2%e5%a4%9a%e5%80%8bid-TRnCBbTuCU\">\u70ba\u4ec0\u9ebc\u4e0d\u61c9\u8a72\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u5b58\u5132\u591a\u500bID<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5c07\u591a\u500bID\u5b58\u5132\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\uff08\u4f8b\u5982\uff0c\u4f7f\u7528\u9017\u865f\u5206\u9694\u7684\u5b57\u7b26\u4e32\uff09\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5e7e\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff1a<\/strong>\u7576\u9700\u8981\u67e5\u8a62\u67d0\u500bID\u662f\u5426\u5b58\u5728\u6642\uff0c\u5fc5\u9808\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u9019\u6703\u5c0e\u81f4\u5168\u8868\u6383\u63cf\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\u554f\u984c\uff1a<\/strong>\u7121\u6cd5\u4f7f\u7528\u5916\u9375\u7d04\u675f\u4f86\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>\u96e3\u4ee5\u7dad\u8b77\uff1a<\/strong>\u5c0d\u65bc\u9700\u8981\u66f4\u65b0\u6216\u522a\u9664\u67d0\u500bID\u7684\u64cd\u4f5c\uff0c\u5fc5\u9808\u9032\u884c\u5b57\u7b26\u4e32\u8655\u7406\uff0c\u9019\u589e\u52a0\u4e86\u51fa\u932f\u7684\u6a5f\u6703\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-TRnCBbTuCU\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u4e0a\u8ff0\u554f\u984c\uff0c\u5efa\u8b70\u4f7f\u7528\u95dc\u806f\u8868\u4f86\u8655\u7406\u591a\u5c0d\u591a\u7684\u95dc\u4fc2\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%97%9c%e8%81%af%e8%a1%a8-TRnCBbTuCU\">1. \u4f7f\u7528\u95dc\u806f\u8868<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u5275\u5efa\u4e00\u500b\u95dc\u806f\u8868\uff0c\u5c07\u591a\u500bID\u7684\u95dc\u4fc2\u5206\u958b\u5b58\u5132\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u5169\u500b\u8868\uff1a<code>users<\/code>\u548c<code>roles<\/code>\uff0c\u6bcf\u500b\u7528\u6236\u53ef\u4ee5\u64c1\u6709\u591a\u500b\u89d2\u8272\u3002\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u540d\u70ba<code>user_roles<\/code>\u7684\u95dc\u806f\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE user_roles (\n    user_id INT,\n    role_id INT,\n    PRIMARY KEY (user_id, role_id),\n    FOREIGN KEY (user_id) REFERENCES users(id),\n    FOREIGN KEY (role_id) REFERENCES roles(id)\n);<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6bcf\u7576\u9700\u8981\u67e5\u8a62\u67d0\u500b\u7528\u6236\u7684\u89d2\u8272\u6642\uff0c\u53ea\u9700\u67e5\u8a62<code>user_roles<\/code>\u8868\u5373\u53ef\uff0c\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8json%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TRnCBbTuCU\">2. \u4f7f\u7528JSON\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5982\u679c\u4f7f\u7528\u7684\u662fMySQL 5.7\u6216\u66f4\u9ad8\u7248\u672c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528JSON\u6578\u64da\u985e\u578b\u4f86\u5b58\u5132\u591a\u500bID\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u5b58\u5132\u591a\u500bID\uff0c\u4f46\u4ecd\u7136\u80fd\u5920\u9032\u884c\u6709\u6548\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    role_ids JSON\n);<\/code><\/pre>\n<p>\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528JSON\u51fd\u6578\u4f86\u67e5\u8a62\u7279\u5b9a\u7684ID\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE JSON_CONTAINS(role_ids, '1');<\/code><\/pre>\n<p>\u96d6\u7136\u9019\u7a2e\u65b9\u6cd5\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u662f\u53ef\u884c\u7684\uff0c\u4f46\u4ecd\u7136\u5efa\u8b70\u5728\u6578\u64da\u91cf\u8f03\u5927\u6216\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u95dc\u806f\u8868\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%9b%86%e5%90%88%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TRnCBbTuCU\">3. \u4f7f\u7528\u96c6\u5408\u6578\u64da\u985e\u578b<\/h3>\n<p>MySQL\u9084\u652f\u6301\u96c6\u5408\u6578\u64da\u985e\u578b\uff08SET\uff09\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u591a\u500b\u503c\u3002\u4e0d\u904e\uff0c\u9019\u7a2e\u65b9\u6cd5\u7684\u9748\u6d3b\u6027\u8f03\u4f4e\uff0c\u4e14\u4e0d\u652f\u6301\u5916\u9375\u7d04\u675f\uff0c\u56e0\u6b64\u4e0d\u5efa\u8b70\u5728\u8907\u96dc\u7684\u6578\u64da\u6a21\u578b\u4e2d\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TRnCBbTuCU\">\u7d50\u8ad6<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5c07\u591a\u500bID\u5b58\u5132\u5728\u4e00\u500b\u5b57\u6bb5\u4e2d\u4e26\u4e0d\u662f\u6700\u4f73\u5be6\u8e10\u3002\u4f7f\u7528\u95dc\u806f\u8868\u662f\u6700\u5e38\u898b\u4e14\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u4e26\u4fdd\u8b49\u6578\u64da\u5b8c\u6574\u6027\u3002\u96d6\u7136JSON\u6578\u64da\u985e\u578b\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u6709\u6548\u8655\u7406MySQL\u5b57\u6bb5\u4e2d\u5305\u542b\u591a\u500bID\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u67e5\u8a62\u6027\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-193981","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193981","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=193981"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193981\/revisions"}],"predecessor-version":[{"id":193982,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193981\/revisions\/193982"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}