第一种方法
通过监听事件
document.body.addEventListener('click',)
代码如下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.index { width:200px; }
.content {
margin-top:10px;
width:200px;
height:200px;
background:#ccc;
}
</style>
</head>
<body >
<div id="app">
<template>
<div class="index" @click.stop>
<button @click="isShow = !isShow ">弹窗</button>
<div class="content" v-show="isShow">
</div>
</div>
</template>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</body>
<script>
var app = new Vue({
el:'#app',
data: {
isShow:false
},
mounted(){
document.body.addEventListener('click',()=>{
this.isShow = false;
},false);
}
})
</script>
</html>
第二种、
给最外层的div加个点击事件 @click=“isShow=false”
给点击的元素上面加上:@click.stop=“isShow=!isShow”
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.index { width:200px; }
.content {
margin-top:10px;
width:200px;
height:200px;
background:#ccc;
}
</style>
</head>
<body >
<div id="app" @click="isShow=false">
<template>
<div class="index" @click="isShow=false">
<button @click.stop="isShow = !isShow ">弹窗</button>
<div class="content" v-show="isShow">
</div>
</div>
</template>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</body>
<script>
var app = new Vue({
el:'#app',
data: {
isShow:false
},
})
</script>
</html>
这两个个方法点击区域,如图整个文档就这么大,点击别的地方不显灵