请我需要你的帮助。我已经遇到这个问题一周了,每当我尝试注册同一个用户两次时,我都会收到错误状态(500)内部服务器错误,并在 Postman 上显示消息“服务器错误”,但从课程来看,我应该收到错误状态(400)错误请求,消息:“用户已存在”可能是什么问题? 谢谢
这是我的代码
const express = require('express');
const router = express.Router();
const User = require('../../models/User');
const gravatar = require('gravatar');
const bcrypt = require('bcryptjs');
const { check, validationResult } = require('express-validator');
// @route POST api/users
// @desc Register user
// @access Public
router.post(
'/',
[
check('name', 'Name is required').not().isEmpty(),
check('email', 'Please include a valid email').isEmail(),
check(
'password',
'Please enter a password with 8 or more characters'
).isLength({ min: 8 }),
],
async (req, res) => {
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ errors: errors.array() });
}
const { name, email, password } = req.body;
try {
// See if user exist
let user = await User.findOne({ email });
if (user) {
return res.status(400).json({ errors: [{ errors: errors.array() }] });
}
// Get users gravatar
const avatar = gravatar.url(email, {
s: '200',
r: 'pg',
d: 'mm',
});
user = new User({
name,
email,
avatar,
password,
});
// Encrypt password
const salt = await bcrypt.genSalt(10);
user.password = await bcrypt.hash(password, salt);
await user.save();
// Return jsonwebtoken
res.send('User registered great');
} catch (err) {
console.error(err.message);
res.status(500).send('Server error');
}
}
);
module.exports = router;
我已经检查了无数次代码,但仍然没有理由收到内部服务器错误(500)而不是错误请求(400),我什至逐行阅读它,但仍然找不到问题.