路由之间的跳转有再种：
1、通过标签<router-link to='/login'>去登录</router-link>实现跳转
2、通过js实现：
this.$router.push({path:'/buy'})
this.$router.replace({path:'/buy'})
2.1push与replace的区别
push会向history插入新记录
replace不会插入history历史记录，如果返回上一页，则会跳转到上上一页中。上一页是不存在的
返回上一页面：this.$router.go(-1)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app"></div>
<script type="text/javascript" src="vue.js"></script>
<script type="text/javascript" src="vue-router.js"></script>
<script type="text/javascript">
var Login={
template:`
<div>去登录去吧</div>
`
}
var Register={
template:`
<div>去注册去吧</div>
`
}
var Buy={
template:`
<div>去买东西</div>
`
}
// 安装插件
Vue.use(VueRouter);
// 创建路由对象
var router = new VueRouter({
// 配置路由对象
routes: [
{path:'/login', name:'login', component:Login},
{path:'/register', name:'register', component: Register},
{path:'/buy', name:'buy', component: Buy}
]
})
new Vue({
el:'#app',
router,
template:`
<div>
<router-link to='/login'>去登录</router-link>
|
<router-link to='/register'>去注册</router-link>
<div>
<button @click="gogo">点我买东西</button>
<button @click="back">返回上一页</button>
</div>
<router-view></router-view>
</div>
`,
methods:{
gogo(){
// 有历史记录跳转
// this.$router.push({path:'/buy'})
// 没有历史记录跳转
this.$router.replace({path:'/buy'})
},
back(){
// 返回上一页
this.$router.go(-1)
}
}
})
</script>
</body>
</html>