[英]Property 'then' is missing' Error when calling angular resolve
I am using Angular resolver to get data before template get load. 我正在使用Angular解析器在模板加载之前获取数据。 But I am getting an error.
但是我遇到了错误。 Here is my resolver code:
这是我的解析器代码:
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/take';
import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/fromPromise';
import { Router, Resolve, RouterStateSnapshot,ActivatedRouteSnapshot } from '@angular/router';
import { ApiService } from './api.service';
@Injectable()
export class ServiceResolve implements Resolve<any> {
constructor(private apiservices: ApiService, private router: Router) {}
resolve(route: ActivatedRouteSnapshot): Observable<any> {
let JsonVal = JSON.parse(localStorage.getItem('RegistrationSteps'));
let postData = {
'token': JsonVal.auth_token
}
let url = 'getUserDetails';
return Observable.fromPromise(this.apiservices.getUserDetailsByToken(postData,url));
}
}
Here is my service code: 这是我的服务代码:
getUserDetailsByToken(data,url){
let headers = new Headers();
return this.http.post(this.base_url+url,data).map(ret=>ret.json());
}
Here is how I am trying to get data in component: 这是我试图在组件中获取数据的方式:
let userData = this.route.snapshot.data['userdata'];
console.log(userData,'sssss');
here is how my route look like: 这是我的路线:
{path:'signup',component:VendorRegistrationComponent,resolve:{userdata:ServiceResolve}},
This is the error I am getting: 这是我得到的错误:
error TS2345: Argument of type 'Observable' is not assignable to parameter of type 'PromiseLike'. 错误TS2345:无法将类型“可观察”的参数分配给类型“ PromiseLike”的参数。 Property 'then' is missing in type 'Observable'.
类型“可观察”中缺少属性“然后”。
It happen because this 发生是因为
return this.http.post(this.base_url+url,data).map(ret=>ret.json());
Will return Observable, but you are trying to read as Promise Observable.fromPromise(...)
, so, just change it to return this.apiservices.getUserDetailsByToken(postData,url);
将返回Observable,但是您尝试将其读为Promise
Observable.fromPromise(...)
,因此,只需将其更改为return this.apiservices.getUserDetailsByToken(postData,url);
and everything will be ok. 一切都会好的。
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