如何在Angular2中设置HTTP标头？

本文介绍了如何在Angular2中设置HTTP标头？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

所以基本上我需要为所有引用API的请求添加自定义auth标头。在构造函数中我想添加这个头，然后在类方法中使用 this.http

So basically I need to add custom auth header to all requests referred to API. In constructor I want to add this header and then in the class methods just use this.http

import { Injectable } from '@angular/core'; import { Config, Events } from 'ionic-angular'; import { Http } from '@angular/http'; @Injectable() export class APIRequest { constructor ( private http: Http, private config: Config, ) { this.http.headers.append('My-Custom-Header','MyCustomHeaderValue'); } }

推荐答案

我以这种方式为标题使用常用函数

I use common fuction this way for headers

let method = 'POST'; let requestOptions: RequestOptions = new RequestOptions({ headers: this.jsonHeaders(), method: method });

jsonHeaders（） //功能

public jsonHeaders(): Headers { let headers: Headers = new Headers(); headers.append('Content-Type', 'application/json; charset=utf-8'); headers.append("Cache-Control", "no-cache"); headers.append("Cache-Control", "no-store"); headers.append("If-Modified-Since", "Mon, 26 Jul 1997 05:00:00 GMT"); if(this.token) { headers.append('Authorization', 'Bearer ' + this.token); } return headers; }

HTTP请求

let url = '/login' this.http.request(url, requestOptions)