1. {
    2.     path:'news',
    3.     component:NewsComponent,
    4.     children:[
    5.       {
    6.         path:"moring",
    7.         component:MoringComponent,
    8.       },
    9.       {
    10.         path:"night",
    11.         component:NightComponent
    12.       },{
    13.         path:"",
    14.         redirectTo:"moring",
    15.         pathMatch:"full"
    16.       }
    17.     ]
    18.   }

    在俘虏有对应的组件中的html中应该添加

    1. <router-outlet></router-outlet>