This.routerExtensions.back() 调用 method/function

This.routerExtensions.back() to call a method/function

所以对于我的应用程序,我需要能够执行 this.router.back(或任何正确的语法)。我做了 import {Router} from "@angular/router"; 并添加了 constructor(private router: Router) { }。我该怎么做 navigate.back?

---编辑--- 现在我已经导航回来了,如何在我导航回来的页面上得到 method/function 到 运行?

import { RouterExtensions } from "nativescript-angular/router";

constructor(private routerExtensions: RouterExtensions){}

this.routerExtensions.back();

http://docs.nativescript.org/angular/core-concepts/angular-navigation#navigating-back