很简单使用的vue全选和取消全选
直接上代码，简单易懂不懂得可以留言。
<!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>checkboxAll</title>
</head>
<body>
<div id="app">
<ul class="checkboxs">
<li >
<label>{{checkAllTxt}}<input type="checkbox" v-model="checked" @click= "checkboxAll($event)"></label>
</li>
<li v-for=‘list,index in lists‘>
<label>{{list.name}}<input type="checkbox" v-model="checkStatusArr[index]"></label>
</li>
</ul>
</div>
<script src="../vue.js"></script>
<script>
window.onload = function () {
var vm = new Vue({
el: ‘#app‘,
data: {
lists: [
{
‘name‘: ‘张三‘
}, {
‘name‘: ‘李四‘
}, {
‘name‘: ‘王五‘
}, {
‘name‘: ‘赵六‘
}
],
checked: false,
checkStatusArr: []
},
methods: {
checkboxAll (event) {
this.checkStatusArr = [];
if (event.currentTarget.checked) {
let len = this.lists.length;
for (let i = 0; i < len; i++) {
this.checkStatusArr.push(1);// 1 ==true
}
} else {
this.checkStatusArr = [];
}
}
},
watch: {
checkStatusArr (val, oldVal) {
if (val.length > 0) {
this.checked = true;
} else {
this.checked = false;
}
}
},
computed: {
checkAllTxt () {
if (this.checked === true) {
return ‘全不选‘;
} else {
return ‘全选‘;
}
}
}
});
};
</script>
</body>
</html>