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我有一個登錄服務調用授權服務,我需要捕獲從api服務器返回的任何錯誤。處理角度2服務中的可觀察錯誤
我現在有這在我的login.component:
loginUser() {
console.log(this.localUser.email);
console.log(this.localUser.password);
this.loginService.loginUser(this.localUser)
.subscribe(
token => {
console.log('token = ' + token)
this.token = token},
error => {
this.errorMessage = <any>error
console.log("err msg = " + this.errorMessage);
},
() => this.completeLogin());
}
這是我的登錄服務:
loginUser(localUser: LocalUser) {
return this.authorizationService.loginUser(localUser);
}
,這是我的身份驗證服務:
loginUser(localUser: LocalUser): Observable<Token> {
var grantString: string = "grant_type=password&username=";
var passwordString : string = "&password="
var email = localUser.email;
var password = localUser.password;
var headers = new Headers();
headers.append('Content-Type', 'application/x-www-form-urlencoded');
var creds:string = grantString + email + passwordString + password;
return this.http.post(this.url, creds, { headers: headers })
.retry(2)
.timeout(20000, new Error('Timeout expired.'))
.delay(1000)
.map((response: Response) => <Token>response.json())
.catch(this.handleError);
}
handleError(error: any) {
let errorMsg = error.message || 'Server error';
console.error(errorMsg);
return Observable.throw(errorMsg);
}
問題是返回的錯誤消息不是服務器錯誤,但是: 「err msg = TypeError :對象不支持屬性或方法'扔'「
有關如何獲得真實消息的任何想法?
我覺得這麼愚蠢......感謝您的幫助。 –