vue实现导航
Vue 实现导航的方法
使用 Vue Router 实现基本导航
安装 Vue Router 依赖:
npm install vue-router
在项目中配置路由:
import { createRouter, createWebHistory } from 'vue-router'
import Home from './views/Home.vue'
import About from './views/About.vue'
const routes = [
{ path: '/', component: Home },
{ path: '/about', component: About }
]
const router = createRouter({
history: createWebHistory(),
routes
})
在 main.js 中注册路由:
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
createApp(App).use(router).mount('#app')
在组件中使用路由链接和视图:
<template>
<router-link to="/">Home</router-link>
<router-link to="/about">About</router-link>
<router-view></router-view>
</template>
动态路由实现
配置带参数的路由:
const routes = [
{ path: '/user/:id', component: User }
]
在组件中获取路由参数:
import { useRoute } from 'vue-router'
const route = useRoute()
console.log(route.params.id)
导航守卫实现权限控制
全局前置守卫:
router.beforeEach((to, from, next) => {
if (to.meta.requiresAuth && !isAuthenticated()) {
next('/login')
} else {
next()
}
})
路由独享守卫:
const routes = [
{
path: '/admin',
component: Admin,
beforeEnter: (to, from, next) => {
// 检查权限逻辑
}
}
]
嵌套路由实现
配置嵌套路由:
const routes = [
{
path: '/user',
component: User,
children: [
{ path: 'profile', component: Profile },
{ path: 'posts', component: Posts }
]
}
]
在父组件中添加子路由视图:
<template>
<div>
<h1>User</h1>
<router-view></router-view>
</div>
</template>
编程式导航实现
在组件方法中使用导航:
import { useRouter } from 'vue-router'
const router = useRouter()
function navigate() {
router.push('/about')
// 或 router.replace('/about')
// 或 router.go(-1)
}
命名路由实现
配置命名路由:
const routes = [
{ path: '/user/:id', name: 'user', component: User }
]
使用命名路由导航:
router.push({ name: 'user', params: { id: 123 } })
在模板中使用命名路由:
<router-link :to="{ name: 'user', params: { id: 123 } }">
User
</router-link>
路由元信息实现
配置路由元信息:
const routes = [
{
path: '/admin',
component: Admin,
meta: { requiresAuth: true }
}
]
在导航守卫中使用元信息:
router.beforeEach((to, from, next) => {
if (to.meta.requiresAuth) {
// 验证逻辑
}
})






