controller

• @Controller 指定类内接口的根路径
• @Get、@Post 等函数注解指定接口的剩余路径
• @Query(key?: string) 接收 query param
• @Param(key?: string) 接收 path param
• @Body(key?: string) 接收 form param
• @Headers(name?: string) 接收请求头

@Controller()
export class AppController {
  constructor(private readonly appService: AppService) {}

  @Get()
  getHello(): string {
    return this.appService.getHello();
  }
}