Question

POST

我想在此请求中添加以下标题：
  ＆＃34;标题＆＃34;：
{
＆＃34; content-type＆＃34;：＆＃34; application / json＆＃34;，
      ＆＃34; access_token＆＃34;：＆＃34; abcd＆＃34;
    }

Answer 1

@Injectable()
export class UserService {
    constructor (private http:HttpClient) {}

    getUserByName(username: string) {
        let url="http://localhost:8088/rest/user/userName";
        let header=new Headers({'Content-Type': 'application/json', 'Authorization': 
            'Bearer '+localStorage.getItem("access_token")});
        return this.http.post(url, username, {headers: header});
    }
}

Answer 2

试试这个

 let headers = new Headers({ "content-type": "application/json", });
    headers.append('access_token', "abcd");
    let options = new RequestOptions({ headers: headers });

 this.http
      .post(url, data, options)

Answer 3

你可以

let headers = new HttpHeaders(); headers = headers.set(...); headers = headers.set(...); headers = headers.set(...);

或

let headers = new HttpHeaders().set(...)
                                     .set(...)
                                     .set(...);

参考：issue with post request http header angular 4

如果在角度2

let headers = new Headers();
headers.append('Content-Type', 'application/json');
headers.append('authentication', `${student.token}`);

let options = new RequestOptions({ headers: headers });
return this.http
    .put(url, JSON.stringify(student), options)

如何在角度2中添加标题到帖子请求？

3 个答案: