我正在使用Observable<boolean>
返回canActivate()
。 爲測試設置了以下功能,並正確解決了組件顯示問題。Angular2 CanActivate後衛不能正常工作
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> {
return Observable.from([{ admin: true }]).map(x =>
{
if (x.admin) return true;
return false;
});
}
但是,實際代碼的行爲是我留在登錄組件上,儘管控制檯輸出指示路由應該激活。上述測試唯一真正的區別是我打電話服務this.auth.isAdmin()
而不是使用Observable.from
。 this.auth.isAdmin()
的結果是Observable<boolean>
,其值爲true。
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> {
const isAdmin$ = this.auth.isAdmin();
return isAdmin$.map(x =>
{
console.log('isAdmin returned ' + x);
if (!x) {
console.log('redirectToLogin');
this.auth.redirectToLogin(state.url);
return false;
} else {
console.log('canActivate = true');
return true;
}
});
}
這裏是路由:
{
path: 'admin',
canActivate: [AdminGuard],
children: [
...adminRoutes
]
},
這裏是我的控制檯輸出:
isAdmin returned false
admin-guard.service.ts:27redirectToLogin
auth.service.ts:36 navigating to stored path "/admin"
auth.service.ts:21 Object {isAdmin: true, isPaid: false, $key: "xYFs8kMDpKdYKxDw4AL21FtnSWn1"}
admin-guard.service.ts:25 isAdmin returned true
admin-guard.service.ts:31 canActivate = true
這裏是萬一isAdmin()函數感興趣:
isAdmin(): Observable<boolean> {
if (!this.auth) return Observable.from([false]);
const uid = this.auth.uid;
return this.af.database.object(`user/${uid}`).do(x => console.log(x)).map(x => x.isAdmin);
}
工程就像一個魅力,謝謝! –