vue的全选与反选
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>vue全选与反选</title>
<script src="./vue.js"></script>
</head>
<style>
.on{
width: 100px;
background: black
}
</style>
<body>
<div id="my">
<input type="checkbox" v-model="checkAll.check" @change="checkAllChange()">
<ul style="color: black">
<li v-for="list in lists">
<input type="checkbox" v-model="list.check" :class="list.check?'on':''" @change="curChange()">
</li>
</ul>
</div>
<script type="text/javascript">
window.onload = function () {
var app = new Vue({
el: "#my",
data: {
checkAll: { check: false },
lists: [{ check: true },
{ check: false },
{ check: false },
{ check: false },
{ check: false }]
},
//在methods这里面写方法、事件之类的
methods: {
checkAllChange: function () {
var thiss = this
this.lists.forEach(function(itme) {
itme.check = thiss.checkAll.check
});
},
curChange:function(){
var curtrue = this.lists.filter(function(itme){
return itme.check==true
})
if(curtrue.length==this.lists.length){
this.checkAll.check = true
}else{
this.checkAll = false
}
}
}
})
}
</script>
</body>
</html>
