Sidemenu中的Ionic 2-注销选项卡

<ion-content>
  <ion-list>
    <!-- 其他选项卡 -->
    <ion-item (click)="logout()">
      <ion-icon name="log-out"></ion-icon>
      <ion-label>注销</ion-label>
    </ion-item>
  </ion-list>
</ion-content>

import { Component } from '@angular/core';
import { AuthService } from 'path-to-auth-service'; // 导入用于处理用户认证的服务

@Component({
  selector: 'app-sidemenu',
  templateUrl: 'sidemenu.component.html',
  styleUrls: ['sidemenu.component.scss']
})
export class SidemenuComponent {

  constructor(private authService: AuthService) {}

  logout() {
    // 执行注销操作
    this.authService.logout();
  }
}

import { Injectable } from '@angular/core';

@Injectable()
export class AuthService {

  private isLoggedIn: boolean = false;

  constructor() {}

  login() {
    // 处理用户登录逻辑
    this.isLoggedIn = true;
  }

  logout() {
    // 处理用户注销逻辑
    this.isLoggedIn = false;
  }

  isAuthenticated() {
    // 判断用户是否已登录
    return this.isLoggedIn;
  }
}