v0.1.0

middleware/validation.js

@@ -0,0 +1,56 @@
+const { body, validationResult } = require('express-validator');
+
+// 注册验证规则
+const registerValidation = [
+  body('username')
+    .isLength({ min: 3, max: 50 })
+    .withMessage('用户名长度必须在3-50个字符之间')
+    .matches(/^[a-zA-Z0-9_]+$/)
+    .withMessage('用户名只能包含字母、数字和下划线'),
+  
+  body('email')
+    .isEmail()
+    .withMessage('请输入有效的邮箱地址')
+    .normalizeEmail(),
+  
+  body('password')
+    .isLength({ min: 6 })
+    .withMessage('密码长度至少6个字符')
+    .matches(/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)/)
+    .withMessage('密码必须包含至少一个小写字母、一个大写字母和一个数字')
+];
+
+// 登录验证规则
+const loginValidation = [
+  body('username')
+    .notEmpty()
+    .withMessage('用户名不能为空'),
+  
+  body('password')
+    .notEmpty()
+    .withMessage('密码不能为空')
+];
+
+// 验证结果处理中间件
+const handleValidationErrors = (req, res, next) => {
+  const errors = validationResult(req);
+  // console.log(req.body);
+
+  if (!errors.isEmpty()) {
+    return res.status(400).json({
+      success: false,
+      message: '输入验证失败',
+      errors: errors.array().map(error => ({
+        field: error.path,
+        message: error.msg
+      }))
+    });
+  }
+  next();
+};
+
+module.exports = {
+  registerValidation,
+  loginValidation,
+  handleValidationErrors
+};