如何解决“用户验证失败：密码：路径‘密码’是必需的。电子邮件：路径‘电子邮件’是必需的。名称：路径‘名称’是必需的。”

Question

我是一个开始学习 node.js 的初学者。在中途，我遇到了这样的通知问题

{
"errors": {
    "password": {
        "name": "ValidatorError",
        "message": "Path `password` is required.",
        "properties": {
            "message": "Path `password` is required.",
            "type": "required",
            "path": "password"
        },
        "kind": "required",
        "path": "password"
    },
    "email": {
        "name": "ValidatorError",
        "message": "Path `email` is required.",
        "properties": {
            "message": "Path `email` is required.",
            "type": "required",
            "path": "email"
        },
        "kind": "required",
        "path": "email"
    },
    "name": {
        "name": "ValidatorError",
        "message": "Path `name` is required.",
        "properties": {
            "message": "Path `name` is required.",
            "type": "required",
            "path": "name"
        },
        "kind": "required",
        "path": "name"
    }
},
"_message": "User validation failed",
"message": "User validation failed: password: Path `password` is required., email: Path `email` is required., name: Path `name` is required."}

这是我的用户模型

const mongoose = require('mongoose')
const validator = require('validator')

const User = mongoose.model('User', {
    name: {
        type: String,
        required: true,
        trim: true
    }, 
    email: {
        type: String, 
        required: true,
        trim: true,
        lowercase: true,
        validate(value) {
            if (!validator.isEmail(value)) {
                throw new Error('Email is invalid')
            }
        }
    },
    password:{
        type: String,
        required: true, 
        minlength: 7,
        trim: true,
         validate(value){
            if (value.toLowerCase().includes('password')) {
                throw new Error('Password cannot contain "password"')
            }
        }
    },
    age: {
        type: Number, 
        default: 0,
        validate(value) {
            if (value < 0 ){
                throw new Error('Age must be a positive number')
            }
        }
    }
})

module.exports = User

使用此用户路线

const express = require('express')
require('./db/mongoose')
const User = require('./models/user')
const Task = require('./models/task')

const app = express()
const port = process.env.PORT || 3000

app.use(express.json())

app.post('/users', async (req, res) => {
    const user = new User(req.body)

    try{
        await user.save()
        res.status(201).send(user)
    } catch (e) {
        res.status(400).send(e)
    }
})



app.listen(port, () => {
    console.log('Server is up on port' +port)
})

有人知道为什么会这样吗？

希望我能在这个论坛上得到答案，继续我的学习。预先感谢您的帮助。真的很感激。

Answer 1

由于您已根据要求定义了所有这些字段：在您的架构中为真，这就是它发生的原因，您必须为这些字段提供值，即在测试您的 api 时，请在正文中填充这些字段。

Answer 2

试试这个， 就我而言，我使用了这个

app.use(express.json())

下面

app.use("/users",usersController);

所以，这会导致问题，因为我的数据没有正确解析。

  const express = require("express");
    const app = express();
    const connect = require("./config/db");
    const usersController = require("./controller/user.controller");
    
    app.use(express.json());
    
    app.use("/users",usersController);
    
    
    
    const start = async () => {
      await connect();
      app.listen(2000, async function () {
        console.log("listening on port 2000");
      });
    };
    module.exports = start;

Answer 3

在发送之前，在您的“邮递员”中，更改为“body”，然后更改为“raw”模块，在“Text”所在的末尾，更改为“JSON”，这样您的代码就可以工作了。