niumalll/backend/test_db.js

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();