Angular 4 jwt本地存储清除

import { Injectable } from '@angular/core';
import { JwtHelperService } from '@auth0/angular-jwt';

@Injectable()
export class JwtService {
  constructor(private jwtHelper: JwtHelperService) {}

  // 清除本地存储的JWT令牌
  clearToken() {
    localStorage.removeItem('jwt_token');
  }

  // 检查JWT令牌是否过期
  isTokenExpired() {
    const token = localStorage.getItem('jwt_token');
    return this.jwtHelper.isTokenExpired(token);
  }
}

export class SomeComponent {
  constructor(private jwtService: JwtService) {}

  logout() {
    this.jwtService.clearToken();
    // 其他清除操作...
  }
}