logoin组件引入 keepA组件
<tamplate>
<keep-alive>
<keepA></keepA>
</keep-alive>
</tamplate>
<script>
import {defineComponent,reactive,ref,onMounted} from 'vue'
export default defineComponent({
name:'login',
components:{
keepA
},
setup(){
return {
}
}
})
</script>
keepA组件
<template>
<div>我是keep-alive组件 触发 onActivated</div>
</template>
<script>
import {defineComponent,onActivated} from 'vue'
export default defineComponent({
name:'keep',
setup() {
onActivated(()=>{
console.log('我是 keep-alive 存在的2')
})
return {
};
},
})
</script>
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