我正在尝试使用 JSON 创建 REST API。我有 2 个模型、一个公司和一个地址。地址是企业的一部分
当我尝试使用以下 JSON 创建 POST 请求时
{
"name" :"GRIT",
"adress":
{
"street" : "test",
"number": "5",
"city":"leuven",
"postalcode":"2900",
"country":"BEL"
}
}
我收到以下错误
{
"error": {
"errors": {
"adress": {
"message": "Cast to ObjectID failed for value \"{ id: 5ad8b5e4ac4b1a443877bfc2,\n street: 'test',\n number: '5',\n city: 'leuven',\n postalcode: '2900',\n country: 'BEL' }\" at path \"adress\"",
"name": "CastError",
"stringValue": "\"{ id: 5ad8b5e4ac4b1a443877bfc2,\n street: 'test',\n number: '5',\n city: 'leuven',\n postalcode: '2900',\n country: 'BEL' }\"",
"kind": "ObjectID",
"value": {
"id": "5ad8b5e4ac4b1a443877bfc2",
"street": "test",
"number": "5",
"city": "leuven",
"postalcode": "2900",
"country": "BEL"
},
"path": "adress",
"reason": {
"message": "Cast to ObjectId failed for value \"{ id: 5ad8b5e4ac4b1a443877bfc2,\n street: 'test',\n number: '5',\n city: 'leuven',\n postalcode: '2900',\n country: 'BEL' }\" at path \"adress\"",
"name": "CastError",
"stringValue": "\"{ id: 5ad8b5e4ac4b1a443877bfc2,\n street: 'test',\n number: '5',\n city: 'leuven',\n postalcode: '2900',\n country: 'BEL' }\"",
"kind": "ObjectId",
"value": {
"id": "5ad8b5e4ac4b1a443877bfc2",
"street": "test",
"number": "5",
"city": "leuven",
"postalcode": "2900",
"country": "BEL"
},
"path": "adress"
}
}
},
"_message": "Business validation failed",
"message": "Business validation failed: adress: Cast to ObjectID failed for value \"{ id: 5ad8b5e4ac4b1a443877bfc2,\n street: 'test',\n number: '5',\n city: 'leuven',\n postalcode: '2900',\n country: 'BEL' }\" at path \"adress\"",
"name": "ValidationError"
}
}
这些是我的 Mongoose 模型
const mongoose = require('mongoose');
const businessSchema = mongoose.Schema({
_id: mongoose.Schema.Types.ObjectId,
name:{
type: String,
required: true,
},
adress:{
type: mongoose.Schema.Types.ObjectId,
ref: 'Adress',
required:true
}
});
module.exports = mongoose.model('Business', businessSchema);
const mongoose = require('mongoose');
const adressSchema = mongoose.Schema({
_id: mongoose.Schema.Types.ObjectId,
street:{
type: String,
required: true
},
number:{
type: int,
required: true
},
city:{
type: String,
required: true
},
postalCode:{
type: String,
required: true
},
country:{
type: String,
required: true
}
});
module.exports = mongoose.model('Adress', adressSchema);
以下是我的发布请求
//POST -> Register a business
router.post('/',function(req,res){
const business = new Business({
id: new mongoose.Types.ObjectId(),
name: req.body.name,
adress:{
id:new mongoose.Types.ObjectId(),
street: req.body.adress.street,
number: req.body.adress.number,
city: req.body.adress.city,
postalcode: req.body.adress.postalcode,
country:req.body.adress.country
}
});
business
.save()
.then(result => {
console.log(result);
res.status(201).json({
message: "Business created"
});
})
.catch(err => {
console.log(err);
res.status(500).json({
error: err
});
});
});
module.exports = router;
我做错了什么?地址是否未保存,或者我将两个模型彼此链接错误
我使用 MongoDB 作为数据库
最佳答案
看看mongoose docs .
您正在尝试使用 Adress
对象设置 ObjectId
属性。您要做的就是首先保存您的 adress
对象,然后在您的 business
对象中引用它。
PS:您应该将您的 ID 命名为 _id
,因为这是 MongoDB 中使用的约定。
它看起来像这样:
let adress = new Adress({
_id: new mongoose.Types.ObjectId(),
street: req.body.adress.street,
number: req.body.adress.number,
city: req.body.adress.city,
postalcode: req.body.adress.postalcode,
country: req.body.adress.country
});
adress
.save()
.then(() => {
let business = new Business({
_id: new mongoose.Types.ObjectId(),
name: req.body.name,
adress: adress._id
});
business
.save()
.then((result) => {
console.log(result);
res.status(201).json({
message: "Business created"
});
});
});
关于json - NodeJS-ExpressJS mongoose API POST 请求带外键,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49925070/