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32 lines
744 B
32 lines
744 B
4 years ago
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import { Injectable } from '@angular/core';
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import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Router } from '@angular/router';
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@Injectable({
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providedIn: 'root'
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})
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export class AuthGuard implements CanActivate {
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constructor(private router: Router) {
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}
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// 路由守卫
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canActivate(next: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
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return this.checkLogin();
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}
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checkLogin(): boolean {
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// 判断本地有没有token
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const token = sessionStorage.getItem('token');
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// 如果有token,允许访问
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if (token) { return true; }
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//如果没有token,跳转登录页
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this.router.navigate(['/login']);
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return false;
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}
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}
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