angular5 httpclient的示例实战

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本篇文章主要介绍了angular5 httpclient的示例实战，现在分享给大家，也给大家做个参考。

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从angular 4.3.0 以后的版本开始使用httpclient，替换了之前的http，引用的包路径已经变为了angular/common/http了

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一个基础的 httpclient 样例

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import { Injectable } from '@angular/core';import { HttpClient, HttpResponse } from '@angular/common/http';import { Observable } from 'rxjs/Observable';import { HttpDefaultOptions } from './http.default.options';@Injectable()export class Service { private static METHOD_DELTE = 'DELETE'; private static METHOD_POST = 'POST'; private static METHOD_GET = 'GET'; private static METHOD_PUT = 'PUT'; constructor(private httpClient: HttpClient) { } /**  * 将数据上传  * @param data  * @param {Function} func  */ uploadDataPost(data: any, func: Function) {  let url = '/api/test';  this.apiPost(url, data)   .subscribe((response: HttpResponse) => {    func(response);   }, error => {    func(undefined);   }); } /**  * 返回json 格式的obj 对象  * @param url  * @param body  * @param urlSearchParams  * @returns {Observable}  */ apiPost(url, body, urlSearchParams?: any): Observable {  let options = {   body: body ? body : null,   params: urlSearchParams,   responseType: 'json'  };  return this.httpClient.request(Service.METHOD_POST, url, options); } /**  * 返回一个obj 对象  * @param url  * @param urlSearchParams url 的查询参数  * @returns {Observable}  */ apiGet(url, urlSearchParams?: any): Observable {  let options = {   params: urlSearchParams,   responseType: 'json'  };  return this.httpClient.request(Service.METHOD_GET, url, options); }}

上面是我整理给大家的，希望今后会对大家有帮助。

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Angular5 httpclient