vue3.0之Router的使用你了解嗎
更新時間:2022年03月27日 16:47:16 作者:小渣亮
這篇文章主要為大家詳細介紹了vue3.0之Router的使用,文中示例代碼介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們可以參考一下,希望能夠給你帶來幫助
vue3.0之Router的使用
先創(chuàng)建一個 vue項目

命名式 路由
命名式 路由
- 就是給路由添加 name屬性
import { createRouter, createWebHistory } from 'vue-router'
import Home from '../views/home/Home.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'Login',
component: () => import('../views/login/Login.vue'),
},
{
path: '/reg',
name: 'Reg',
component: () => import('../views/reg/Reg.vue'),
},
],
})
export default router
使用 RouterLink
<script setup lang="ts">
import { RouterLink, RouterView } from 'vue-router'
</script>
<template>
<div>
<RouterView />
<RouterLink :to="{ name: 'Login' }">login</RouterLink>
<RouterLink style="margin-left: 10px" :to="{ name: 'Reg' }">reg</RouterLink>
</div>
</template>
<style>
@import '@/assets/base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
</style>
效果

編程式導(dǎo)航
router / index.ts
import { createRouter, createWebHistory } from 'vue-router'
import Home from '../views/home/Home.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'Login',
component: () => import('../views/login/Login.vue'),
},
{
path: '/login',
name: 'Login',
component: () => import('../views/login/Login.vue'),
},
{
path: '/reg',
name: 'Reg',
component: () => import('../views/reg/Reg.vue'),
},
],
})
export default router
App.vue 跳轉(zhuǎn)到路由
router.push(’/login’) 跳轉(zhuǎn)字符串
<template>
<div>
<button @click="loginClick">登錄</button>
<button @click="regClick">注冊</button>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
const loginClick = () => {
router.push('/login')
}
const regClick = () => {
router.push('/reg')
}
</script>
<style>
@import '@/assets/base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
</style>
效果

router.push({ path: url }) 對象的形式
<template>
<div>
<button @click="toPage('/login', 'Login')">登錄</button>
<button @click="toPage('/reg', 'Reg')">注冊</button>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
const toPage = (url: string, name: string) => {
// 對象的形式
router.push({
path: url,
})
}
</script>
命名式路由模式 router.push({ name: name })
<template>
<div>
<button @click="toPage('/login', 'Login')">登錄</button>
<button @click="toPage('/reg', 'Reg')">注冊</button>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
const toPage = (url: string, name: string) => {
// 命名式路由模式
router.push({
name: name,
})
}
</script>
歷史記錄
- replace的使用
- 采用replace進行頁面的跳轉(zhuǎn)會同樣也會創(chuàng)建渲染新的Vue組件,但是在history中其不會重復(fù)保存記錄,而是替換原有的vue組件
RouterLink 跳轉(zhuǎn)路由
<template>
<div>
<RouterLink replace :to="{ name: 'Login' }">login</RouterLink>
<RouterLink replace style="margin-left: 10px" :to="{ name: 'Reg' }">reg</RouterLink>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
</script>
效果

編程式導(dǎo)航
<template>
<div>
<button @click="toPage('/login', 'Login')">登錄</button>
<button @click="toPage('/reg', 'Reg')">注冊</button>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
const toPage = (url: string, name: string) => {
// 字符串的形式
router.replace(url)
// 對象的形式
// router.push({
// path: url,
// })
// 命名式路由模式
// router.push({
// name: name,
// })
}
</script>
非歷史 記錄的導(dǎo)航 還可以使用 方法
- 使用 router.push的方式,是存在歷史記錄的
- 因此可以使用 router.go的方法
- router.go(1) 前進一個路由
- router.go(-1) 后退一個路由
<template>
<div>
<button @click="toPage('/login', 'Login')">登錄</button>
<button @click="toPage('/reg', 'Reg')">注冊</button>
<button @click="nextClick">next</button>
<button @click="prerClick">prer</button>
<RouterView />
</div>
</template>
<script setup lang="ts">
import { RouterLink, RouterView, useRouter } from 'vue-router'
const router = useRouter()
const toPage = (url: string, name: string) => {
// 字符串的形式
router.push(url)
}
const prerClick = () => {
router.go(-1)
}
const nextClick = () => {
router.go(1)
}
</script>
路由傳參
query 方式傳參(拼接在url上)
- 注意點:就是使用路由的跳轉(zhuǎn),是使用 router這個對象
import { useRouter } from 'vue-router'const router = useRouter()router.push( { name: "Reg" , query : Obj })
- 注意點2:使用路由的獲取參數(shù),是使用 route這個對象,去獲取url參數(shù)的數(shù)據(jù)(也就是路由傳遞的參數(shù)數(shù)據(jù))
import { useRoute } from 'vue-router'const route = useRoute()route.query.XXX數(shù)據(jù)
商品頁
<template>
<div class="login">
<div>Login</div>
<div v-for="item in data" :key="item.id">{{ item.name }} -- {{ item.price }} <button @click="view(item)">詳情</button></div>
</div>
</template>
<script setup lang="ts">
import { reactive } from 'vue'
import { useRouter } from 'vue-router'
import { data } from './List.json'
const router = useRouter()
type List = {
name: string
price: number
id: number
}
const view = (List: List) => {
router.push({
name: 'Reg',
query: List,
})
}
</script>
<script lang="ts">
export default {
name: 'Login',
}
</script>
<style lang="scss" scoped>
.login {
width: 400px;
height: 400px;
background: pink;
}
</style>
List.json
{
"data": [{
"name": "菜雞",
"price": 111,
"id": 1
}, {
"name": "菜狗",
"price": 222,
"id": 2
}, {
"name": "菜鳥",
"price": 333,
"id": 3
}]
}
詳情頁
<!--
描述:
作者:xzl
時間:03月25日201225
-->
<template>
<div class="reg">
<div>我是詳情頁面 -- <button @click="router.back()">返回</button></div>
<div>
<div>唯一值:{{ route.query.id }}</div>
<div>名稱:{{ route.query.name }}</div>
<div>價格:{{ route.query.price }}</div>
</div>
</div>
</template>
<script setup lang="ts">
import {} from 'vue'
import { useRoute, useRouter } from 'vue-router'
const route = useRoute()
const router = useRouter()
console.log('route', route.query)
</script>
<script lang="ts">
export default {
name: 'Reg',
}
</script>
<style lang="scss" scoped>
.reg {
width: 400px;
height: 400px;
background: orange;
}
</style>
效果

params傳遞參數(shù) (不會顯示在url上,但是一刷新會丟失數(shù)據(jù))
商品頁
<!--
描述:
作者:xzl
時間:03月25日201105
-->
<template>
<div class="login">
<div>Login</div>
<div v-for="item in data" :key="item.id">{{ item.name }} -- {{ item.price }} <button @click="view(item)">詳情</button></div>
</div>
</template>
<script setup lang="ts">
import { reactive } from 'vue'
import { useRouter } from 'vue-router'
import { data } from './List.json'
const router = useRouter()
type List = {
name: string
price: number
id: number
}
const view = (List: List) => {
// router.push('/reg')
router.push({
name: 'Reg',
params: List,
})
}
</script>
<script lang="ts">
export default {
name: 'Login',
}
</script>
<style lang="scss" scoped>
.login {
width: 400px;
height: 400px;
background: pink;
}
</style>
詳情頁
<!--
描述:
作者:xzl
時間:03月25日201225
-->
<template>
<div class="reg">
<div>我是詳情頁面 -- <button @click="router.back()">返回</button></div>
<div>
<div>唯一值:{{ route.params.id }}</div>
<div>名稱:{{ route.params.name }}</div>
<div>價格:{{ route.params.price }}</div>
</div>
</div>
</template>
<script setup lang="ts">
import {} from 'vue'
import { useRoute, useRouter } from 'vue-router'
const route = useRoute()
const router = useRouter()
console.log('route', route.query)
</script>
<script lang="ts">
export default {
name: 'Reg',
}
</script>
<style lang="scss" scoped>
.reg {
width: 400px;
height: 400px;
background: orange;
}
</style>
動態(tài)路由的 傳參(需要在路由的path添加一個動態(tài)參數(shù),瀏覽器刷新后,數(shù)據(jù)不會丟失)
- 注意點:就是在路由之中,對path路徑添加一個動態(tài)的路由參數(shù)
- 在商品頁之中,使用router.push的方式去跳轉(zhuǎn),里面用params的形式去接受那個動態(tài)參數(shù)
- 在詳情頁之中,使用route對象的形式去拿到數(shù)據(jù),
route.params.id
路由
import { createRouter, createWebHistory } from 'vue-router'
import Home from '../views/home/Home.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'Login',
component: () => import('../views/login/Login.vue'),
},
{
path: '/login',
name: 'Login', component: () => import('../views/login/Login.vue'),
},
{
path: '/reg/:id',
name: 'Reg',
component: () => import('../views/reg/Reg.vue'),
},
],
})
export default router
商品頁
<template>
<div class="login">
<div>Login</div>
<div v-for="item in data" :key="item.id">{{ item.name }} -- {{ item.price }} <button @click="view(item)">詳情</button></div>
</div>
</template>
<script setup lang="ts">
import { reactive } from 'vue'
import { useRouter } from 'vue-router'
import { data } from './List.json'
const router = useRouter()
type List = {
name: string
price: number
id: number
}
const view = (List: List) => {
router.push({
name: 'Reg',
params: {
id: List.id,
},
})
}
</script>
<script lang="ts">
export default {
name: 'Login',
}
</script>
<style lang="scss" scoped>
.login {
width: 400px;
height: 400px;
background: pink;
}
</style>
詳情頁
<template>
<div class="reg">
<div>我是詳情頁面 -- <button @click="router.back()">返回</button></div>
<div>
<div>唯一值:{{ item.id }}</div>
<div>名稱:{{ item.name }}</div>
<div>價格:{{ item.price }}</div>
</div>
</div>
</template>
<script setup lang="ts">
import {} from 'vue'
import { useRoute, useRouter } from 'vue-router'
const route = useRoute()
const router = useRouter()
import { data } from '../login/List.json'
const item = data.find((item) => item.id === Number(route.params.id))
</script>
<script lang="ts">
export default {
name: 'Reg',
}
</script>
<style lang="scss" scoped>
.reg {
width: 400px;
height: 400px;
background: orange;
}
</style>
效果

嵌套路由 與 路由重定向
路由
import { createRouter, createWebHistory } from 'vue-router'
import Home from '../views/home/Home.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'home',
component: Home,
children: [
{
path: '',
redirect: 'login', // 路由重定向 默認顯示 login組件
},
{
path: 'login',
name: 'Login',
component: () => import('../views/login/Login.vue'),
},
{
path: 'reg',
name: 'Reg',
component: () => import('../views/reg/Reg.vue'),
},
],
},
],
})
export default router
App.vue
<template>
<div>
<router-view />
</div>
</template>
<script setup lang="ts">
import { RouterView } from 'vue-router'
</script>
<style>
@import '@/assets/base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
</style>
Home.vue
<template>
<div>
<router-view></router-view>
<div>我是父路由Home</div>
<button @click="router.push('/reg')">去注冊</button>
</div>
</template>
<script setup lang="ts">
import { RouterView } from 'vue-router'
import { useRouter } from 'vue-router'
import {} from 'vue'
const router = useRouter()
</script>
<script lang="ts">
export default {
name: 'Home',
}
</script>
<style lang="scss" scoped></style>
登錄
<template> <div>Login</div> </template>
注冊
<template> <div>Reg</div> </template>
效果

總結(jié)
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