import { Controller, Get, Param } from '@nestjs/common';
import { RangeService } from './range.service';

@Controller('range')
export class RangeController {
  constructor(private rangeService: RangeService) {}
  @Get(':num')
  getRangeInfo(@Param() param) {
    return this.rangeService.getRangeInfo(param);
  }
}

import { Injectable } from '@nestjs/common';

@Injectable()
export class RangeService {
  getRangeInfo({ num }): any {
    if (isNaN(num))  return { code: 201, data: null, msg: '参数错误' };
    const arr: string[] = [];
    for (let i = 1; i <= num; i++) {
      arr.push(String(i));
    }
    return { code: 200, data: arr, msg: '请求成功' };
  }
}