https://www.cnblogs.com/bulici/p/11799404.html
{
path: "/one",
name: "one",
component: one,
children: [
{
path: "two",
component: two,
children:[
{
path:"three",
component:three
}
]
}
]
}
上述例子中
第一级路由(/one),需要将<router-view />标签放在app.vue里
第二级路由(/one/two),需要将<router-view />标签放在one.vue里
第三级路由(/one/two/three),需要将<router-view />标签放在two.vu