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// 导入 Express 路由模块
const express = require('express');
const router = express.Router(); // 创建路由实例
// 导入控制器中的登录方法
const { login } = require('../controllers/userController');
// 定义登录接口：POST /api/login（前端通过这个路径调用登录）
// 为什么用 POST？因为登录参数（密码）放请求体里，比 GET 更安全
router.post('/login', login);
// 导出路由，供 app.js 挂载
module.exports = router;
