this.$route.params为空

来源：5-13 全文搜索功能实现（搜索算法+数组降维）

慕码人5423974

2020-06-03

console.log(this.$route)结果如下,可见this.$route.params为空,这是什么原因导致的呢
图片描述
路由配置如下：

import Vue from 'vue'
import VueRouter from 'vue-router'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/ebook'
  },
  {
    path: '/ebook/',
    component: () => import('../views/Ebook/index.vue'),
    children: [
      {
        path: ':fileName',
        component: () => import('../components/Ebook/EbookReader.vue')
      }
    ]

  }
]

const router = new VueRouter({
  routes
})

export default router