<template>
<div class="page-list">
<span class="list-txt">{{ title }}</span>
<!-- <ex-btn
v-if="current == 'ex-btn'"
v-on:myClick="myClick"
:msg="msg"
></ex-btn>
<ex-btn2 v-else v-on:myClick="myClick" :msg="msg">
<img slot="icon" src="xxx.png" />
</ex-btn2> -->
<component
keep-alive
:is="current"
v-on:myClick="myClick"
:msg="msg"
></component>
</div>
</template>
<script>
import btn from './button.vue'
import btn2 from './but2.vue'
export default {
props: {
title: { default: '標題' },
msg: { default: '按鈕' },
current: { default: 'ex-btn' }
},
components: {
'ex-btn': btn,
'ex-btn2': btn2
},
methods: {
myClick: function () {
console.log('按鈕被點擊')
this.$emit('myClick')
}
}
}
</script>
//使用
<template>
<div id="list">
<ex-list current="ex-btn2" title="標題1" msg="按鈕1"></ex-list>
<ex-list current="ex-btn" title="標題2" msg="按鈕2"></ex-list>
<ex-list
current="ex-btn"
title="標題3"
msg="按鈕3"
v-on:myClick="test"
></ex-list>
<ex-list
ref="btnlist"
current="ex-btn"
title="標題4"
msg="按鈕4"
v-on:myClick="test"
></ex-list>
</div>
</template>
<script>
import myList from '../../components/demo/list.vue'
export default {
name: 'list',
components: {
'ex-list': myList
},
methods: {
test: function () {
console.log('自定義')
console.log('屬性', this.$children)
console.log('屬性', this.$refs.btnlist.title)
}
},
beforeCreate: function () {
console.log('beforeCreate')
}, // 組件實例化之前
created: function () {
console.log('created')
}, // 組件實例化了
beforeMount: function () {
console.log('beforeMount')
}, // 組件寫入dom結構之前
mounted: function () { // 組件寫入dom結構了
console.log('mounted')
console.log(this.$children)
console.log(this.$refs)
},
beforeUpdate: function () {
console.log('beforeUpdate')
}, // 組件更新前
updated: function () {
console.log('updated')
}, // 組件更新比如修改了文案
beforeDestroy: function () {
console.log('beforeDestroy')
}, // 組件銷燬之前
destroyed: function () {
console.log('destroyed')
}// 組件已經銷燬
}
</script>