<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>http://www.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
.router-link-active{
font-size: 20px;
color:#f60;
}
.fade-enter-active, .fade-leave-active{
transition: opacity 1s ;
}
.fade-enter, .fade-leave-to{
opacity: 0 ;
}
</style>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
</head>
<body>
<div id="app">
<router-link to="/r1">GO to foo</router-link>
<router-link to="/r2">Go to bar</router-link>
<router-view>r1r2</router-view>
</div>
<script>
const c1 = {
template:`
<div>foo
<router-link to="/r1/r11">r11</router-link>
<router-link to="/r1/r12">r12</router-link>
<transition name="fade">
<router-view>r11r12</router-view>
</transition>
</div>
`,
beforeRouteEnter (to, from, next) {
console.log(this + `...c1 - beforeRouteEngter`);
console.log(to);
console.log(from);
next();
},
beforeRouteUpdate (to, from, next) {
console.log(this + `...c1 - beforeRouteUpdate`);
console.log(to);
console.log(from);
next();
},
beforeRouteLeave (to, from, next) {
console.log(this + `...c1 - beforeRouteLeave`);
console.log(to);
console.log(from);
next();
}
};
const error = {
template:`<div>error</div>`
};
const c2 = {
template:`<div>bar</div>`,
beforeRouteEnter (to, from, next) {
console.log(this + `...c2 - beforeRouteEngter`);
console.log(to);
console.log(from);
next();
},
beforeRouteUpdate (to, from, next) {
console.log(this + `...c2 - beforeRouteUpdate`);
console.log(to);
console.log(from);
next();
},
beforeRouteLeave (to, from, next) {
console.log(this + `...c2 - beforeRouteLeave`);
console.log(to);
console.log(from);
next();
}
};
const c11 = {
template:`<div>c11</div>`,
beforeRouteEnter (to, from, next) {
console.log(`c11 - beforeRouteEnter`);
console.log(to);
console.log(from);
next();
},
beforeRouteUpdate (to, from, next) {
console.log(`c11 - beforeRouteUpdate`);
console.log(to);
console.log(from);
next();
},
beforeRouteLeave (to, from, next) {
console.log(`c11 - beforeRouteLeave`);
console.log(to);
console.log(from);
next();
}
};
const c12 = {
template:`<div>c12</div>`,
beforeRouteEnter (to, from, next) {
console.log('c12 - beforeRouteEngter');
console.log(to.matched[0]);//父路由"/r1"
console.log(to.matched[1]);//子路由"/r1/r12"
if(to.matched.some( r => {return r.meta.r12} )){
next({
//path:'/r2',
});
}
console.log(from);
next();
},
beforeRouteUpdate (to, from, next) {
console.log('c12 - beforeRouteUpdate');
console.log(to);
console.log(from);
next();
},
beforeRouteLeave (to, from, next) {
console.log('c12 - beforeRouteLeave');
console.log(to);
console.log(from);
next();
}
};
const routes1 = [
{
path:'/r1',
component:c1,
meta:{r1:true},
children:[
{
path:'r11',
component:c11,
meta:{r11:true}
},
{
path:'r12',
component:c12,
meta:{r12:true}
}
]
},
{
path:'/r2',
component:c2
},
{
path:'/r3',
component:c3
},
{
path:'*',
component:c12
}
];
const router2 = new VueRouter({
routes:routes1
});
const vm = new Vue({
router:router2
}).$mount('#app');
</script>
</body>
</html>