Mongoose：验证失败：地址：需要路径`地址`。，描述：需要路径`描述`。，名称：需要路径`名称`。"

Question

我正在在线学习课程，当我实现代码时，它给了我路径节点发现错误。我将代码更改为教程中的确切代码，但仍然出现错误。下面是实现的代码和我面临的错误片段：

bootcampModel.js

const mongoose = require('mongoose')

const bootcampSchema = new mongoose.Schema({
  name: {
    type: String,
    required: [true, 'Please enter a name'],
    unique: true,
    trim: true,
    maxlength: [50, 'Name cannot be more than 50 characters'],
  },
  slug: String,
  description: {
    type: String,
    required: [true, 'Please enter description'],
    maxlength: [500, 'Description cannot be more than 500 characters'],
  },
  website: {
    type: String,
    match: [
      /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/,
      'Please enter a valid URL with HTTP or HTTPS',
    ],
  },
  phone: {
    type: String,
    maxlength: [20, 'Phone number cannot exceed 20 characters'],
  },
  email: {
    type: String,
    match: [
      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/,
      'Please enter valid email',
    ],
  },
  address: {
    type: String,
    required: [true, 'Please enter address'],
  },
  location: {
    type: {
      type: String,
      enum: ['Point'],
    },
    coordinates: {
      type: [Number],
      index: '2dsphere',
    },
    formattedAddress: String,
    street: String,
    city: String,
    state: String,
    zipcode: String,
    country: String,
  },
  careers: {
    type: [String],
    required: true,
    enum: [
      'Web Development',
      'Mobile Development',
      'UI/UX',
      'Data Science',
      'Other',
    ],
  },
  averageRating: {
    type: Number,
    min: [1, 'Rating must be atleast 1'],
    max: [10, 'Rating cannot exceed 10'],
  },
  averageCost: Number,
  photo: {
    type: String,
    default: 'no-photo.jpg',
  },
  housing: {
    type: Boolean,
    default: false,
  },
  jobAssistance: {
    type: Boolean,
    default: false,
  },
  jobGuarrantee: {
    type: Boolean,
    default: false,
  },
  acceptGi: {
    type: Boolean,
    default: false,
  },
  createdAt: {
    type: Date,
    default: Date.now(),
  },
})

module.exports = mongoose.model('Bootcamp', bootcampSchema)

bootcampController.js

exports.createBootcamp = async (req, res, next) => {
  try {
    const bootcamp = await Bootcamp.create(req.body)
    res.status(201).json({ success: true, data: bootcamp })
  } catch (err) {
    res.status(400).json({ success: false, error: err.message })
  }
}

routes.js

router.route('/').post(createBootcamp)

当我使用邮递员使用以下数据调用此 api 时：

{
    "name": "Devcentral Bootcamp",
    "description": "Is coding your passion? Codemasters will give you the skills and the tools to become the best developer possible. We specialize in front end and full stack web development",
    "website": "https://devcentral.com",
    "phone": "[phone]",
    "email": "[email protected]",
    "address": "45 Upper College Rd Kingston RI 02881",
    "careers": [
        "Mobile Development",
        "Web Development",
        "Data Science",
        "Business"
    ],
    "housing": false,
    "jobAssistance": true,
    "jobGuarantee": true,
    "acceptGi": true
}

它给了我以下错误

{
    "success": false,
    "error": "Bootcamp validation failed: address: Path `address` is required., description: Path `description` is required., name: Path `name` is required."
}

以下是邮递员在其中调用我的 api 的显示：

邮递员

谁能找出我的不足吗？

Answer 1

此代码的问题是 req.body 未定义，这就是 mongoose 引发错误的原因。

req.body 未定义的原因是很可能 app.use(express.json()) 尚未在 server.js/index.js 文件中使用。

在服务器文件中添加 app.use(express.json()) 将解决此错误。

Answer 2

好吧，我也面临着同样的问题，你只要把控制器放上即可
实例是请求方法

Answer 3

确保在路由之前调用解析器中间件。

const app = express();
app.use(express.json());
// Mounted routes
app.use("/api/v1/bootcamps", bootcamps);