vue-router的使用方法及含参数的配置方法
(编辑:jimmy 日期: 2025/10/24 浏览:3 次 )
html
router-link:跳转链接
参数to:就是跳转到的链接位置
二层链接 eg:
<router-link to="/users/evan">/users/evan</router-link>
需要配置所对应的对应的children
children所对应的参数
path:可分我固定的参数url 和带参数的 区别于 :(冒号)
name:对应的参数的模块名称(动态传参数)
component:可以传多个组件
eg:
{ path: '/',
// a single route can define multiple named components
// which will be rendered into <router-view>s with corresponding names.
components: {
default: Foo,
a: Bar,
b: Baz
}
},
:to="{ name: 'user', params: { username: 'evan' }, query: { foo: 'bar' }}"
参数说明params 对应的是children的path的值 ,to中的name为vueRouter中的name
当要传多个参数时
{ path: ':username/:aaa', name: 'user', component: User }
也可以利用query传值
query: { foo: 'bar' }
eg: path: ':username'
redirect:链接直接指向指定的方向(重定向)
beforeEnter:
·
{ path: '/dashboard', component: Dashboard, beforeEnter: requireAuth },
function requireAuth (route, redirect, next) {
if (!auth.loggedIn()) {
redirect({
path: '/login',
query: { redirect: route.fullPath }
})
} else {
next()
}
}
使用props将组件和路由解耦:
在组件中使用$route会使之与其对应路由形成高度耦合,从而使组件只能在某些特定的url上使用,限制了其灵活性。
对应的参数的值的获取
{{$route.params.username1 }}
{ path: '/users', component: Users,
children: [
{ path: ':username', name: 'user', component: User }
]
}
eg:
<ul>
<li><router-link to="/">/</router-link></li>
<li><router-link to="/" exact>/ (exact match)</router-link></li>
<li><router-link to="/users">/users</router-link></li>
<li><router-link to="/users" exact>/users (exact match)</router-link></li>
<li><router-link to="/users/evan">/users/evan</router-link></li>
<li><router-link to="/users/evan#foo">/users/evan#foo</router-link></li>
<li>
<router-link :to="{ path: '/users/evan', query: { foo: 'bar' }}">
/users/evan"{ name: 'user', params: { username: 'evan' }, query: { foo: 'bar' }}" exact>
/users/evan"{ path: '/users/evan', query: { foo: 'bar', baz: 'qux' }}">
/users/evan"/about">/about</router-link></li>
<router-link tag="li" to="/about">
<a>/about (active class on outer element)</a>
</router-link>
</ul>
const router = new VueRouter({
mode: 'history',
base: __dirname,
routes: [
{ path: '/', component: Home },
{ path: '/about', component: About },
{ path: '/users', component: Users,
children: [
{ path: ':username', name: 'user', component: User }
]
}
]
})
js:vue-router配置
router-view:组件的放置位置
对应的链接所对应的组件的配置
路由底下的子组件
{ path: '/users', component: Users,
children: [
{ path: ':username', name: 'user', component: User }
]
}
//组件
Vue.use(VueRouter)
const Home = { template: '<div><h2>Home</h2></div>' }
const About = { template: '<div><h2>About</h2></div>' }
const Users = {
template: `
<div>
<h2>Users</h2>
<router-view></router-view>
</div>
`
}
const User = { template: '<div>{{ $route.params.username }}</div>' }
==================分界线====================
案例:1
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <script src="/UploadFiles/2021-04-02/vue.js">实现效果
=====================================
案例:2
path的二级链接固定参数
<div id="app"> <h1>Data Fetching</h1> <ul> <li><router-link to="/">/</router-link></li> <li><router-link to="/user/even" exact>/users (exact match)</router-link></li> </ul> <router-view class="view"></router-view> </div> <script> var Users = { template: '<div><h2>Users</h2><router-view></router-view> </div>' } var User = { template: '<div>{{$route.params.username1 }}</div>' } var Home = { template: '<div>Home</div>' } var router = new VueRouter({ routes: [ { path: '/', component: Home,}, // 动态路径参数 以冒号开头 { path: '/user', component: Users, children: [ { path: ':username1', name: 'bbb', component: User } ]} ] }) new Vue({ el:"#app", router, data:{ name:111 } })二级链接动态参数
<div id="app"> <h1>Data Fetching</h1> <ul> <li><router-link to="/">/</router-link></li> <li><router-link :to="{ name: 'bbb', params: { username: name}}" exact>/users/evan"view"></router-view> </div> <script> var Users = { template: '<div><h2>Users</h2><router-view></router-view> </div>' } var User = { template: '<div>{{$route.params.username }}</div>' } var Home = { template: '<div>Home</div>' } var router = new VueRouter({ routes: [ { path: '/', component: Home,}, // 动态路径参数 以冒号开头 { path: '/user', component: Users, children: [ { path: ':username', name: 'bbb', component: User } ]} ] }) new Vue({ el:"#app", router, data:{ name:111 } }) </script>实现效果
注意与上一个实例进行对比发现链接的地址并没有发生改变,刷新后会返回首页
如何解决这个问题呢
==============案例=======================
<div id="app"> <h1>Data Fetching</h1> <ul> <li><router-link to="/">/</router-link></li> <li><router-link :to='{name:"user", params:{ id:111 }}'>111</router-link> </li> </ul> <router-view class="view"></router-view> </div> <script> var Users = { template: '<div><h2>Users</h2><div>{{$route.params.id}}</div></div>' } var Home = { template: '<div>Home</div>' } var router = new VueRouter({ routes: [ { path: '/', component: Home,}, // 动态路径参数 以冒号开头 { path: '/user/:id', name:'user', component: Users} ] }) new Vue({ el:"#app", router, data:{ name:111 } }) </script>====================案例传多个组件==============================
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