<template>
<div>
这是商品列表页面
<router-link :to="{ name: 'title'}">标题</router-link>
<router-link to="/goods/image">图片</router-link>
<keep-alive>
<router-view/>
</keep-alive>
</div>
</template>
<script>
export default {
name: 'GoodsList',
data () {
return {
}
},
beforeRouteEnter (to, from, next) {
// 在渲染该组件的对应路由被 confirm 前调用
// 不!能!获取组件实例 `this`
// 因为当守卫执行前,组件实例还没被创建
next(vm => {
// 通过 `vm` 访问组件实例
// console.log(vm)
})
},
beforeRouteUpdate (to, from, next) {
// 在当前路由改变,但是该组件被复用时调用
// 举例来说,对于一个带有动态参数的路径 /foo/:id,在 /foo/1 和 /foo/2 之间跳转的时候,
// 由于会渲染同样的 Foo 组件,因此组件实例会被复用。而这个钩子就会在这个情况下被调用。
// 可以访问组件实例 `this`
// this.name = to.params.name
next()
},
beforeRouteLeave (to, from, next) {
// 导航离开该组件的对应路由时调用
// 可以访问组件实例 `this`
// const answer = window.confirm('Do you really want to leave? you have unsaved changes!')
// if (answer) {
// next()
// } else {
// next(false)
// }
next()
}
}
</script>
<style scoped>
</style>
import Vue from 'vue'
import Router from 'vue-router'
const GoodsList = () => import(/* webpackChunkName: "group-main" */'@/views/GoodsList')
const Title = () => import(/* webpackChunkName: "group-main" */'@/views/Title')
const Image = () => import(/* webpackChunkName: "group-main" */'@/views/Image')
Vue.use(Router)
const routes = [
{
path: '/',
name: 'index',
// 重定向
redirect: 'goods',
//别名 怎么都可以访问到
alias: '*'
},
{
path: '/goods',
name: 'GoodsList',
redirect: '/goods/title',
// 重定向
component: GoodsList,
beforeEnter: (to, from, next) => {
next()
},
// 路由嵌套
children: [
{// 不要写成/title 就成了绝对路径了 访问不到
path: 'title',
name: 'title',
component: Title,
beforeEnter: (to, from, next) => {
next()
}
},
{// 不要写成/title 就成了绝对路径了 访问不到
path: 'image',
name: 'image',
component: Image,
beforeEnter: (to, from, next) => {
next()
}
}
]
}
]
let router = new Router({
mode: 'hash',
routes: routes
})
router.beforeEach((from, to, next) => {
// console.log(from)
// console.log(to)
next()
})
router.afterEach((from, to) => {
// console.log(from)
// console.log(to)
})
export default router