安装
//定义模型
cnpm i --save @typegoose/typegoose
//安装定义文件,用于提示
cnpm i --save mongoose @types/mongoose
//连接mongdb
cnpm i --save nestjs-typegoose
使用
app.module.ts
连接mongodb
import { Module } from '@nestjs/common';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { UserModule } from './user/user.module';
import { PostsModule } from './posts/posts.module';
import { TypegooseModule } from "nestjs-typegoose";//用于连接数据库
@Module({
imports: [
TypegooseModule.forRoot("mongodb://localhost:27017/nest-blokApi", {
useNewUrlParser: true,
useUnifiedTopology: true,
useCreateIndex: true,
useFindAndModify: true
}),
UserModule,
PostsModule
],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
创建model (secma对象)如果有多个项目,mode需要创建在lib中
posts.model.ts
import{prop} from '@typegoose/typegoose'
export class Post{
@prop()
title:string
@prop()
content:string
}
posts.module.ts
import { Module } from '@nestjs/common';
import { PostsController } from './posts.controller';
import { TypegooseModule } from "nestjs-typegoose";
import {Post} from './posts.model'
@Module({
imports: [TypegooseModule.forFeature([Post])], //注册model
controllers: [PostsController]
})
export class PostsModule {}
使用在需要的controller层注册之后就能在this上调用,注意添加modeType才会有代码提示
如果需要分出service层,下列操作就存在service中,controller只需要注入service即可
posts.controller.ts
import { Controller, Get, Post, Body, Query, Param, Put, Delete } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiProperty,ApiQuery,ApiCreatedResponse, ApiParam, ApiBody } from '@nestjs/swagger';
import { InjectModel } from "nestjs-typegoose";
import {Post as Postsecma} from "./posts.model"
import { ModelType } from '@typegoose/typegoose/lib/types';
export class PostsController {
constructor(
@InjectModel(Postsecma) private readonly postModel:ModelType<Postsecma> //注入就可以在this中使用,加上modelType才会有代码提示
){ }
@Put(':id')
@ApiParam({ name: 'id',example:1,description:'帖子id'})
@ApiOperation({summary:'修改帖子详情'})
@ApiBody({description:'修改帖子详情',type:UpdatePostDto})
async updatePostDto(@Param('id')id:string,@Body() updatePostDto:UpdatePostDto){
await this.postModel.update({_id:id},updatePostDto)
return {
data:{
id:id,
data:updatePostDto
},
success:true
}
}
}