refactor(backend): 将ApiUser模型重命名为Admin并更新相关引用

backend/test_db.js

@@ -0,0 +1,92 @@
+const { Sequelize, DataTypes } = require('sequelize');
+require('dotenv').config();
+
+// 数据库配置
+const sequelize = new Sequelize(
+  process.env.DB_NAME || 'niumall',
+  process.env.DB_USERNAME || 'root',
+  process.env.DB_PASSWORD || 'aiotAiot123!',
+  {
+    host: process.env.DB_HOST || '129.211.213.226',
+    port: process.env.DB_PORT || 9527,
+    dialect: 'mysql',
+    logging: false,
+    dialectOptions: {
+      connectTimeout: 60000
+    }
+  }
+);
+
+// 定义User模型
+const User = sequelize.define('User', {
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true
+  },
+  username: {
+    type: DataTypes.STRING,
+    allowNull: false
+  },
+  password: {
+    type: DataTypes.STRING,
+    allowNull: false
+  },
+  user_type: {
+    type: DataTypes.ENUM('admin', 'customer', 'driver', 'supplier', 'staff'),
+    defaultValue: 'customer'
+  }
+}, {
+  tableName: 'users',
+  timestamps: false
+});
+
+async function testConnection() {
+  try {
+    console.log('Testing database connection...');
+    await sequelize.authenticate();
+    console.log('Database connection successful!');
+    
+    // 查找admin用户
+    console.log('Searching for admin user...');
+    const adminUser = await User.findOne({
+      where: {
+        username: 'admin',
+        user_type: 'admin'
+      }
+    });
+    
+    if (adminUser) {
+      console.log('Admin user found:', {
+        id: adminUser.id,
+        username: adminUser.username,
+        user_type: adminUser.user_type
+      });
+    } else {
+      console.log('Admin user not found');
+      
+      // 查看前几个用户
+      console.log('Getting first 5 users...');
+      const users = await User.findAll({
+        limit: 5,
+        attributes: ['id', 'username', 'user_type']
+      });
+      
+      console.log('Users:', users.map(u => ({
+        id: u.id,
+        username: u.username,
+        user_type: u.user_type
+      })));
+    }
+    
+  } catch (error) {
+    console.error('Database connection error:', error.message);
+    if (error.original) {
+      console.error('Original error:', error.original.message);
+    }
+  } finally {
+    await sequelize.close();
+  }
+}
+
+testConnection();