适用的场景:
适用场景:数据修改,页面未刷新 组件内容的还原,还原以前的数据
静默刷新
适用场景:数据修改了,页面没更新
组件的还原
需要刷新的数据 v-if="bol" bol默认为true
this.bol=false
this.$nextTick(()=>{
this.bol=true
})
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<body>
<div id="app" v-if="bol">
<h3>{{obj}}</h3>
<button @click="btnClick">修改obj</button>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
el: '#app',
data: {
bol: true,
obj: {
x: 1
}
},
methods: {
btnClick() {
this.obj.x = Date.now()
this.bol = false
this.$nextTick(() => {
this.bol = true
})
}
}
})
</script>
</body>
</html>
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