constructor(private httpService: HttpService, private router: Router, private location: Location, private activatedRoute: ActivatedRoute ) { 
    // 替换url但不触发刷新，解决支付目录的问题
    this.router.events
      .subscribe((e: any) => {
        if (e instanceof NavigationEnd) {
          if (window.location.href.indexOf(‘?#‘) < 0) {
            const productId = localStorage.getItem("productId");
            window.history.pushState(null, null, `?#/index?id=${productId}`);
          };
        }
      })
  }