{"id":185684,"date":"2024-11-10T23:38:18","date_gmt":"2024-11-10T15:38:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185684\/"},"modified":"2024-11-10T23:38:19","modified_gmt":"2024-11-10T15:38:19","slug":"%e6%89%8b%e6%a9%9fqq%e8%81%8a%e5%a4%a9%e8%a8%98%e9%8c%84%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%ef%bc%88%e6%89%8b%e6%a9%9fqq%e8%81%8a%e5%a4%a9%e8%a8%98%e9%8c%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185684\/","title":{"rendered":"\u624b\u6a5fQQ\u804a\u5929\u8a18\u9304\u7684\u6578\u64da\u5eab\u8a2d\u8a08\uff08\u624b\u6a5fqq\u804a\u5929\u8a18\u9304\u6578\u64da\u5eab\u8a2d\u8a08\uff09"},"content":{"rendered":"<h1 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b%e8%a8%ad%e8%a8%88-TEXgQVMeIR\">\u6578\u64da\u5eab\u7d50\u69cb\u8a2d\u8a08<\/h2>\n<p>\u624b\u6a5fQQ\u804a\u5929\u8a18\u9304\u7684\u6578\u64da\u5eab\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u4e3b\u8981\u7684\u8868\u683c\uff0c\u6bcf\u500b\u8868\u683c\u8ca0\u8cac\u5b58\u5132\u4e0d\u540c\u985e\u578b\u7684\u4fe1\u606f\uff1a<\/p>\n<h3 id=\"1-%e7%94%a8%e6%88%b6%e8%a1%a8%ef%bc%88users%ef%bc%89-TEXgQVMeIR\">1. \u7528\u6236\u8868\uff08Users\uff09<\/h3>\n<pre><code>\nCREATE TABLE Users (\n    user_id INT PRIMARY KEY AUTO_INCREMENT,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(255) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u7528\u6236\u8868\u7528\u65bc\u5b58\u5132\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6236ID\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u7b49\u3002<\/p>\n<h3 id=\"2-%e8%81%8a%e5%a4%a9%e8%a8%98%e9%8c%84%e8%a1%a8%ef%bc%88chatrecords%ef%bc%89-TEXgQVMeIR\">2. \u804a\u5929\u8a18\u9304\u8868\uff08ChatRecords\uff09<\/h3>\n<pre><code>\nCREATE TABLE ChatRecords (\n    record_id INT PRIMARY KEY AUTO_INCREMENT,\n    sender_id INT NOT NULL,\n    receiver_id INT NOT NULL,\n    message TEXT NOT NULL,\n    message_type ENUM('text', 'image', 'file', 'voice') NOT NULL,\n    timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    FOREIGN KEY (sender_id) REFERENCES Users(user_id),\n    FOREIGN KEY (receiver_id) REFERENCES Users(user_id)\n);\n<\/code><\/pre>\n<p>\u804a\u5929\u8a18\u9304\u8868\u7528\u65bc\u5b58\u5132\u6bcf\u689d\u804a\u5929\u4fe1\u606f\uff0c\u5305\u62ec\u767c\u9001\u8005ID\u3001\u63a5\u6536\u8005ID\u3001\u6d88\u606f\u5167\u5bb9\u3001\u6d88\u606f\u985e\u578b\u548c\u6642\u9593\u6233\u7b49\u3002<\/p>\n<h3 id=\"3-%e5%aa%92%e9%ab%94%e6%96%87%e4%bb%b6%e8%a1%a8%ef%bc%88mediafiles%ef%bc%89-TEXgQVMeIR\">3. \u5a92\u9ad4\u6587\u4ef6\u8868\uff08MediaFiles\uff09<\/h3>\n<pre><code>\nCREATE TABLE MediaFiles (\n    file_id INT PRIMARY KEY AUTO_INCREMENT,\n    record_id INT NOT NULL,\n    file_path VARCHAR(255) NOT NULL,\n    file_type ENUM('image', 'file', 'voice') NOT NULL,\n    FOREIGN KEY (record_id) REFERENCES ChatRecords(record_id)\n);\n<\/code><\/pre>\n<p>\u5a92\u9ad4\u6587\u4ef6\u8868\u7528\u65bc\u5b58\u5132\u8207\u804a\u5929\u8a18\u9304\u76f8\u95dc\u7684\u5a92\u9ad4\u6587\u4ef6\uff0c\u5305\u62ec\u6587\u4ef6\u8def\u5f91\u548c\u6587\u4ef6\u985e\u578b\u7b49\u3002<\/p>\n<h2 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