Angular 未设置角度5 HttpParams
我有一个非常简单的功能:Angular 未设置角度5 HttpParams,angular,http-parameters,Angular,Http Parameters,我有一个非常简单的功能: createParams(paramsArray, withToken: boolean): HttpParams { let params = new HttpParams(); let currentUser = JSON.parse(localStorage.getItem('currentUser')); params.set('access_token', JSON.stringify(currentUser.token));
createParams(paramsArray, withToken: boolean): HttpParams {
let params = new HttpParams();
let currentUser = JSON.parse(localStorage.getItem('currentUser'));
params.set('access_token', JSON.stringify(currentUser.token));
return params;
}
调试时,params变量不包含任何键或值:
我做错了什么?试试这个:
let Params = new HttpParams();
Params = Params.append('access_token', JSON.stringify(currentUser.token));
或
HttpParams
是不可变的。设置
和追加
方法不修改现有实例。相反,他们返回新的
实例
let params = new HttpParams().set('access_token', JSON.stringify(currentUser.token));