refactor(backend): 优化API文档、认证路由和分页查询，统一响应格式并添加字段验证

backend/simple_verify.js

@@ -0,0 +1,53 @@
+const mysql = require('mysql2');
+
+const connection = mysql.createConnection({
+  host: 'nj-cdb-3pwh2kz1.sql.tencentcdb.com',
+  port: 20784,
+  user: 'jiebanke',
+  password: 'aiot741$12346',
+  database: 'niumall'
+});
+
+console.log('正在连接数据库...');
+
+connection.connect((err) => {
+  if (err) {
+    console.error('连接失败:', err.message);
+    return;
+  }
+  
+  console.log('连接成功，查询数据...');
+  
+  // 查询供应商数量
+  connection.query('SELECT COUNT(*) as count FROM suppliers', (err, results) => {
+    if (err) {
+      console.error('查询供应商失败:', err.message);
+      connection.end();
+      return;
+    }
+    console.log('供应商总数:', results[0].count);
+    
+    // 查询司机数量
+    connection.query('SELECT COUNT(*) as count FROM drivers', (err, results) => {
+      if (err) {
+        console.error('查询司机失败:', err.message);
+        connection.end();
+        return;
+      }
+      console.log('司机总数:', results[0].count);
+      
+      // 查询订单数量
+      connection.query('SELECT COUNT(*) as count FROM orders', (err, results) => {
+        if (err) {
+          console.error('查询订单失败:', err.message);
+          connection.end();
+          return;
+        }
+        console.log('订单总数:', results[0].count);
+        
+        connection.end();
+        console.log('验证完成');
+      });
+    });
+  });
+});