背景
项目当中如果做新增/修改/删除等等操作通常情况下都需要刷新数据或者刷新当前页面.
思路
(1)如果页面简单,调用接口刷新数据即可.
(2)如果页面复杂,需要调用多个接口或者通知多个子组件做刷新,可以采用刷新当前页面的方式 下面整理了3种方式来实现刷新当前页面,每种方式的思路不同,各有优缺点
实现
方式1-通过location.reload和$router.go(0)方法
(a)概述
通过location.reload和$router.go(0)都可以实现页面刷新,它利用浏览器刷新功能,相当于按下了f5键刷新页面
优点:足够简单
确定:会出现页面空白,用户体验不好
(b)代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.js" type="application/javascript"></script>
<script src="https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue-router/3.5.3/vue-router.min.js" type="application/javascript"></script>
<style>
* {padding:0;margin:0;}
.container { padding: 10px;display: flex;flex-basis: auto;height: 100vh;box-sizing: border-box;}
.aside{ width:200px;background-color: #d3dce6; }
.main { flex: 1; }
</style>
</head>
<body>
<div id="app">
<router-view></router-view>
</div>
</body>
<script>
//框架页
let Layout = {
created() {
console.log('框架页加载')
},
template: `
<div class="container">
<div class="aside">左侧菜单</div>
<div class="main"><router-view></router-view></div>
</div>
`
}
//首页
let Home = {
template: `
<div>
首页
<button @click="onClick">刷新</button>
</div>
`,
created() {
console.log('首页加载')
},
methods: {
onClick(){
// 通localtion.reload或者this.$router.go(0)实现整体刷新页面,会出现页面闪烁
// location.reload()
this.$router.go(0)
}
},
}
//路由配置
let router = new VueRouter({
routes: [
{path: '/', component: Layout, children:[
{path: '', component: Home}
]}
]
})
Vue.use(VueRouter)
//根组件
new Vue({
router,
el: '#app'
})
</script>
</html>(c)预览
链接
方式2-通过空白页面
(a)概述
通过$router.replace方法,跳转一个空白页面,然后再调回之前页面,它利用vue-router切换页面会把页面销毁并新建新页面的特性
优点:不会出现页面空白,用户体验好
缺点:地址栏会出现快速切换的过程
(b)代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.js" type="application/javascript"></script>
<script src="https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue-router/3.5.3/vue-router.min.js" type="application/javascript"></script>
<style>
* {padding:0;margin:0;}
.container { padding: 10px;display: flex;flex-basis: auto;height: 100vh;box-sizing: border-box;}
.aside{ width:200px;background-color: #d3dce6; }
.main { flex: 1; }
</style>
</head>
<body>
<div id="app">
<router-view></router-view>
</div>
</body>
<script>
//框架页
let Layout = {
created() {
console.log('框架页加载')
},
template: `
<div class="container">
<div class="aside">左侧菜单</div>
<div class="main"><router-view></router-view></div>
</div>
`
}
//首页
let Home = {
template: `
<div>
首页
<button @click="onClick">刷新</button>
</div>
`,
created() {
console.log('首页加载')
},
methods: {
onClick(){
//使用replace跳转后不会留下 history 记录,并通过redirect传递当前页面的路径
this.$router.replace(`/blank?redirect=${this.$route.fullPath}`)
}
},
}
//空白页面
let Blank = {
created(){
console.log('空白页加载')
//重新跳回之前的页面
this.$router.replace(this.$route.query.redirect)
},
template: `
<div></div>
`
}
//路由配置
let router = new VueRouter({
routes: [
{path: '/', component: Layout, children:[
{path: '', component: Home}
]},
//配置空白页面的路由
{path: '/blank', component: Layout, children:[
{path: '', component: Blank}
]}
]
})
Vue.use(VueRouter)
//根组件
new Vue({
router,
el: '#app'
})
</script>
</html>(c)预览
链接
方式3-通过provide和inject
(a)概述
通过在父页面的<router-view></router-view>上添加v-if的控制来销毁和重新创建页面的方式刷新页面,并且用到provide和inject实现多层级组件通信方式,父页面通过provide提供reload方法,子页面通过inject获取reload方法,调用方法做刷新
优点:不会出现页面空白,地址栏会不会出现快速切换的过程,用户体验好
缺点:实现稍复杂,涉及到provide和inject多层级组件间的通信,和v-if控制组件创建和销毁,和$nextTick事件循环的应用
(b)代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.js" type="application/javascript"></script>
<script src="https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue-router/3.5.3/vue-router.min.js" type="application/javascript"></script>
<style>
* {padding:0;margin:0;}
.container { padding: 10px;display: flex;flex-basis: auto;height: 100vh;box-sizing: border-box;}
.aside{ width:200px;background-color: #d3dce6; }
.main { flex: 1; }
</style>
</head>
<body>
<div id="app">
<router-view></router-view>
</div>
</body>
<script>
//框架页
let Layout = {
template: `
<div class="container">
<div class="aside">左侧菜单</div>
<!-- 通过v-if实现销毁和重新创建组件 -->
<div class="main"><router-view v-if="isRouterAlive"></router-view></div>
</div>
`,
created() {
console.log('框架页加载')
},
// 通过provide提供reload方法给后代组件
provide(){
return {
reload: this.reload
}
},
data(){
return {
isRouterAlive: true
}
},
methods: {
async reload(){
this.isRouterAlive = false
//通过this.$nextTick()产生一个微任务,在一次dom事件循环后,重新创建组件
await this.$nextTick()
this.isRouterAlive = true
}
}
}
//首页
let Home = {
template: `
<div>
首页
<button @click="onClick">刷新</button>
</div>
`,
created() {
console.log('首页加载')
},
//通过inject获取祖先元素的reload方法
inject: ['reload'],
methods: {
onClick(){
this.reload()
}
},
}
//路由配置
let router = new VueRouter({
routes: [
{path: '/', component: Layout, children:[
{path: '', component: Home}
]}
]
})
Vue.use(VueRouter)
//根组件
new Vue({
router,
el: '#app'
})
</script>
</html>(c)预览
链接
以上就是Vue实现刷新当前页面的三种方式总结的详细内容，更多关于Vue刷新当前页面的资料请关注编程网其它相关文章！
