如何使用 mongoDB 在 mongoose 中获取特定的 object？

Question

所以我有这个问题，我想用我在 EJS 中创建的表单登录我的用户。 我遇到的问题是注册用户后我无法登录，因为我不知道如何操作。 注册记录已保存到 MongoDB，所以这应该不是问题这是我想要做的：

• 从EJS表单中获取用户的email地址
• 从 EJS 表单中获取用户的密码
• 检查密码和email是否匹配
• 使用简单的“Hello ${User.name}”消息登录他们

这是我的文件夹结构图像

路由/login.js 文件

// routes/login.js
const express = require('express');
const router = express.Router();
const mongoose = require('mongoose');
const User = require('../models/user');

router.get('/', (req, res) => {
    res.render('pages/login');
});

router.post('/', (req, res, next) => {
    const email = User.find({})
    const pass = User.find({password: req.body.password});
    if (pass != req.body.password) {
        res.json({
            ERROR: "Password Is Not Correct"
        });
    }else {
        user.findOne(email)
        .exec()
        .then(doc => res.send(doc).json({
            DETAILS: "Logged in as " + `${User.name}`
        }))
        .catch(err => {console.log(err); res.send("Error")})
    }
})

module.exports = router;

型号/user.js model

const mongoose = require('mongoose');
const userSchema = mongoose.Schema ({
    _id: mongoose.Schema.Types.ObjectId,
    name: String,
    email: String,
    password: String
})
module.exports = mongoose.model('Account', userSchema);

和views/partials/regform.ejs文件

<form action="/login/" method="POST">
  <div class="form-group">
    <label for="email">Email address</label>
    <input type="email" required class="form-control" id="email" name="email" aria-describedby="email">
  </div>
  <div class="form-group">
    <label for="Password">Password</label>
    <input type="password" required class="form-control" name="password" id="password">
  </div>
  <input type="submit" class="btn btn-primary" value="Submit"/>
</form>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>

感谢您花时间阅读这个问题。

Answer 1

我的问题的解决方案如下。

//login.js
const express = require('express');
const router = express.Router();
const mongoose = require('mongoose');
const User = require('../models/user');

router.get('/', (req, res) => {
    res.render('pages/login');
});

router.post('/', async (req, res) => {
    let user;
    try {
      user = await User.findOne({email: req.body.email, password:req.body.password})
    } catch (e) {
      console.error(e)
    }
    if(user) {
      res.status(200).json({LOGGED_IN_AS: user});
    } else {
      res.status(404).json({error: "Some error message"});
    }
})

module.exports = router;