解决Vue中使⽤keepAlive不缓存问题
1.查看app.vue⽂件，这个是重点，不能忘记加（我就是忘记加了keep-alive）
<template>
<div>
<keep-alive>
<router-view v-if="$a.keepAlive"></router-view>
</keep-alive>
<router-view v-if="!$a.keepAlive"></router-view>
</div>
</template>react router缓存
2.查看router.js
{
path:'/loanmessage',
component:loanmessage,
name:'loanmessage',
meta: {
keepAlive: true, //代表需要缓存
isBack: false,
},
3.在需要缓存的页⾯加⼊如下代码
beforeRouteEnter(to, from, next) {
if (from.name == 'creditInformation' || from.name == 'cityList') {
}
next();
},
activated() {
this.$a.isBack = false
this.isFirstEnter = false
},
附上钩⼦函数执⾏顺序：
不使⽤keep-alive
beforeRouteEnter --> created --> mounted --> destroyed
使⽤keep-alive
beforeRouteEnter --> created --> mounted --> activated --> deactivated
再次进⼊缓存的页⾯，只会触发beforeRouteEnter -->activated --> deactivated 。created和mounted不会再执⾏。
总结
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