const express = require('express')

const app = express()

// 解析 JSON 请求体
app.use(express.json())

app.post('/api/login', (req, res) => {
    const { username, password } = req.body
    if(username === 'admin' && password === '123456') {
        res.json({ 
            code: 200, 
            message: '登录成功', 
            data: {
                token: 'this_is_a_mock_token',
                username: 'admin'
            }
        })
    } else {
        res.json({ 
            code: 401, 
            message: '用户名或密码错误',
            data: null
        })
    }
})

app.listen(3000, () => {
  console.log('服务器启动成功：http://localhost:3000')
})