四时宝库

Nestjs??Http???

Nestjs??HttpModule???????Axios????????HttpService????HttpService??Axios????????Obervable??????????磬HttpService??Post??????Nestjs???????????д???

  post<T = any>(
    url: string,
    data?: any,
    config?: AxiosRequestConfig,
  ): Observable<AxiosResponse<T>> {
    return defer(() => this.instance.post(url, data, config));
  }

???????￡?HttpService???????JSON????????????????????????Щx-www-form-urlencoded????API???????????????ī????????API?????????????????Nestjs???????Axios????????????????Axios???????

Axios??????

??Axois???????ж????x-www-form-urlencoded format?????????????node????????????????????

• ?????????????????У????????URLSearchParamsAPI????????????????????????????????URLSearchParams????????????polyfill????
  javascript const params = new URLSearchParams(); params.append('param1', 'value1'); params.append('param2', 'value2'); axios.post('/foo', params);?????????????????qs??
  javascript const qs = require('qs'); axios.post('/foo', qs.stringify({ 'bar': 123 }));???????ES6????qs.
  TypeScript //???????????д????????????nestjs????import???????????????????? //import * as qs from 'qs' //????????????????????????? import qs from 'qs'; const data = { 'bar': 123 }; const options = { method: 'POST', headers: { 'content-type': 'application/x-www-form-urlencoded' }, data: qs.stringify(data), url, }; axios(options);
• nodejs????
  ??nodejs?У????????querystring????qs??飬????????汾??querystring?????Щ????,???????????qs??顣
  javascript //????????δ????? const querystring = require('querystring'); axios.post('http://something.com/', querystring.stringify({ foo: 'bar' }));

NestJs?е????

????Axios????????????????qs??????qs??axios?з??????Nestjs?????Axois??????????????Axios????qs?????????á???ī????????API????????token??APPCODE???????????????????????á?

import { Injectable, HttpService, Header } from '@nestjs/common';
import { map } from 'rxjs/operators';
import * as qs from 'qs';

@Injectable()
export class WeatherService {
  constructor(private httpService: HttpService) {}

  getWeatherId(id) {
    const data = { cityId: id,token:**************** };
    return this.httpService
      .post(
        'http://aliv18.data.moji.com/whapi/json/alicityweather/forecast15days',
        qs.stringify(data),
        {
          headers: {
            'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
            Authorization: 'APPCODE *******************',
          },
        },
      )
      .pipe(map(response => response.data));
    // return this.httpService(options).pipe(
    //     map(response=>response.data)
    // );
  }