element复选框全选和取消
文章描述：
element复选框全选和取消以及获取选择的值和默认选中效果
载入
<!-- 引入样式 -->
<link rel="stylesheet" href="element-ui/lib/theme-chalk/index.css">
<!-- 引入组件库 -->
<script src="vue/dist/vue.js"></script>
<script src="element-ui/lib/index.js"></script>html
<div id="app">
<template>
<el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange">全选</el-checkbox>
<div style="margin: 15px 0;"></div>
<el-checkbox-group v-model="checkedCities" @change="handleCheckedCitiesChange">
<el-checkbox v-for="city in cities" :label="city" :key="city">{{city}}</el-checkbox>
</el-checkbox-group>
<el-button type="primary" @click="changeCheckbox">获取值</el-button>
</template>
</div>script
const cityOptions = ['上海', '北京', '广州', '深圳'];
var App = new Vue({
el:'#app',
data(){
return{
checkAll: false,
checkedCities: ['上海', '北京'],
cities: cityOptions,
isIndeterminate: true
}
},
methods: {
changeCheckbox(){
console.log(this.checkedCities);
},
handleCheckAllChange(val) {
this.checkedCities = val ? cityOptions : [];
this.isIndeterminate = false;
},
handleCheckedCitiesChange(value) {
let checkedCount = value.length;
this.checkAll = checkedCount === this.cities.length;
this.isIndeterminate = checkedCount > 0 && checkedCount < this.cities.length;
console.log(value)
}
}
})
发布时间：2021/11/18
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