ng2

Question

1. Unhandled Promise rejection: No base href set. Please provide a value for the APP_BASE_HREF

   页面添加

   2. httpService 自定义 需要在 app.component.ts 声明

      import { Component } from '@angular/core';
      
      import { HttpService } from './httpService';
      
      @Component({
        moduleId: module.id,
        selector: 'app-root',
        providers: [HttpService]
      })
      
      export class AppComponent {
        constructor() {}
      }