前文参考：

NestJS入门1

NestJS入门2：创建模块

//GET http://localhost:3000/user@Get()async findAll() {return this.userService.findAll();}

// POST http://localhost:3000/user  Body加上X-www-form-urlencoded数据  
@Post()create(@Body() createUserDto: CreateUserDto) {return this.userService.create(createUserDto);}

  //GET http://localhost:3000/user/4@Get(':id')findOne(@Param('id') id: string) {console.log('Get ' + id);return this.userService.findOne(+id);}

  //GET http://localhost:3000/user/getId?id=5@Get('/getId')findOne(@Query('id') id: string) {return this.userService.findOne(+id);}

  //PATCH http://localhost:3000/user/1  Body加上数据@Patch(':id')update(@Param('id') id: string, @Body() updateUserDto: UpdateUserDto) {console.log('Patch ' + id);console.log(UpdateUserDto);return this.userService.update(+id, updateUserDto);}

//DELETE http://localhost:3000/user/1 @Delete(':id')remove(@Param('id') id: string) {console.log('Delete ' + id);return this.userService.remove(+id);}