vue使用路由router-view的详细代码

<template>
  <div>view-1</div>
</template>
<script>
/* eslint-disable */
export default {
  name: 'view-1',
  mounted() {
  },
}
</script>

import Vue from "vue";
import VueRouter from "vue-router";
Vue.use(VueRouter);
/*
* 我们在项目中使用router.push或router.replace时，如果在A界面继续跳转A界面，就会抛出异常报错。
* 这里处理一下捕获异常的逻辑，就可以避免报错了。
*/
const originPush = VueRouter.prototype.push;
VueRouter.prototype.push = function push(location) {
  return originPush.call(this, location).catch(err => err);
}
const originReplace = VueRouter.prototype.replace;
VueRouter.prototype.replace = function replace(location) {
  return originReplace.call(this, location).catch(err => err);
}
const router = new VueRouter({
  mode: "history",
  routes: [
    {
      path: "/view-1",
      name: "view-1",
      component: { render: e => e("router-view") }, // 这里就是将children的内容渲染到页面上
      meta: { title: 'view-1', keepAlive: true, icon: "el-icon-document-copy" },
      children: [
        {
          path: "/view-1/view-1-1", // 这个path可以去掉 /view-1，这里只是方便知道其从属关系
          name: "view-1-1",
          component: () => import('@/views/view-1-1'),
          meta: { title: 'view-1-1', keepAlive: true, icon: "el-icon-film" },
        },
        {
          path: "/view-1/view-1-2",
          name: "view-1-2",
          component: () => import('@/views/view-1-2'),
          meta: { title: 'view-1-2', keepAlive: true, icon: "el-icon-bank-card" },
        }
      ],
    },
    {
      path: "/view-2",
      name: "view-2",
      component: { render: e => e("router-view") },
      meta: { title: 'view-2', keepAlive: true, icon: "el-icon-connection" },
      children: [
        {
          path: "/view-2/view-2-1",
          name: "view-2-1",
          component: () => import('@/views/view-2-1'),
          meta: { title: 'view-2-1', keepAlive: true, icon: "el-icon-odometer" },
        }
      ],
    },
    {
      path: "/view-3",
      name: "view-3",
      component: () => import('@/views/view-3'),
      meta: { title: 'view-3', keepAlive: true, icon: "el-icon-truck" },
    },
  ]
});
export default router;

import Vue from 'vue';
import App from './App.vue';
import router from './router';
// 引入并使用element-ui
import * as element from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import 'element-ui/lib/theme-chalk/display.css';
Vue.config.productionTip = false;
Vue.use(element);
new Vue({
  render: h => h(App),
  router, // 使用router
}).$mount('#app')

<template>
  <div id="app">
    <el-menu
      :default-active="this.$route.path"
      class="el-menu-vertical-demo"
      router
      unique-opened
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b"
    >
      <div v-for="(routeItem, routeIndex) in routes" :key="routeIndex">
        <el-submenu v-if="routeItem.children && routeItem.children.length > 0" :index="routeItem.path">
          <template slot="title"><i :class="routeItem.meta.icon"></i><span>{{ routeItem.meta.title }}</span></template>
          <el-menu-item
            v-for="(subItem, subIndex) in routeItem.children"
            :index="subItem.path"
            :key="subIndex"
            @click="handleShowItem(subItem)"
          >
            <template slot="title"><i :class="subItem.meta.icon"></i><span>{{ subItem.meta.title }}</span></template>
          </el-menu-item>
        </el-submenu>
        <el-menu-item v-else :index="routeItem.path" @click="handleShowItem(routeItem)">
          <template slot="title"><i :class="routeItem.meta.icon"></i><span>{{ routeItem.meta.title }}</span></template>
        </el-menu-item>
      </div>
    </el-menu>
    <router-view></router-view>
  </div>
</template>
<script>
/* eslint-disable */
import router from "./router";
export default {
  name: 'App',
  data() {
    return {
      routes: [],
    }
  },
  mounted() {
    this.routes = this.getRouter();
  },
  methods: {
    getRouter() {
      // 获取router的配置信息
      let { routes = [] } = router.options;
      return routes;
    },
    handleShowItem(item) {
      // 点击导航栏，切换页面
      this.$router.push({
        path: item.path
      })
    }
  },
}
</script>
<style>
#app {
  height: auto;
}
</style>