uni-app中全选多选单选

<!--<template>
    <view>
        <uni-nav-bar left-icon="back" title="合并账号"></uni-nav-bar>
    </view>
</template>

<script>
    export default {
        data() {
            return {

            }
        },
        methods: {

        }
    }
</script>

<style>

</style>-->
<template>
    <view>
        <uni-nav-bar left-icon="back" title="合并账号"></uni-nav-bar>
        <!-- 单个复选框 -->
        <!--<checkbox-group class="block" @change="checkboxChange">
            <view class="cu-form-group">
                <view class="title">复选选操作(checkbox)</view>
                <checkbox :class="isChecked?'checked':''" :checked="isChecked?true:false" value="1"></checkbox>
            </view>
        </checkbox-group>-->

        <!-- 多个复选框，带全选 -->
        <view class="tl-section">
            <checkbox-group class="block" @change="changeCheckbox">
                <view v-for="item in checkboxData" :key="item.value" class="tl-row">
                    <view>
                        <image :src="defaultImg" class="tl-img-100"></image>
                    </view>
                    <view class="tl-center">
                        <view>张三三</view>
                        <view>187****1998 <text class="tl-font-green">商家</text></view>
                    </view>
                    <view>
                        <checkbox :value="String(item.value)" :checked="checkedArr.includes(String(item.value))" :class="{'checked':checkedArr.includes(String(item.value))}"></checkbox>
                    </view>
                </view>
            </checkbox-group>
        </view>
        <view>
            <checkbox-group @change="allChoose">
                <label>
                    全选 <checkbox value="all" :class="{'checked':allChecked}" :checked="allChecked?true:false"></checkbox>
                </label>
            </checkbox-group>
        </view>
    </view>
</template>

<script>
    export default {
        data() {
            return {
                isChecked:false,
                defaultImg: 'https://wkfiles.weikepingtai.com/wks/20201112/images/20201112042458217.jpg',
                checkboxData:[
                    {'value':0,'label':'选项一'},
                    {'value':1,'label':'选项二'},
                    {'value':2,'label':'选项三'},
                    {'value':3,'label':'选项四'},
                    {'value':4,'label':'选项五'},
                    {'value':5,'label':'选项六'},
                    {'value':6,'label':'选项七'},
                    {'value':7,'label':'选项八'},
                    {'value':8,'label':'选项九'},
                    {'value':9,'label':'选项十'}
                ],
                checkedArr:[], //复选框选中的值
                allChecked:false //是否全选
            }
        },
        methods: {
            // 单个复选框事件
            checkboxChange(e) {
                let values = e.detail.value;
                if(values[0]==1){
                    this.isChecked=true;
                }else{
                    this.isChecked=false;
                }
            },
            // 多选复选框改变事件
            changeCheckbox(e){
                this.checkedArr = e.detail.value;
                // 如果选择的数组中有值，并且长度等于列表的长度，就是全选
                if(this.checkedArr.length>0 && this.checkedArr.length==this.checkboxData.length){
                    this.allChecked=true;
                }else{
                    this.allChecked=false;
                }
            },
            // 全选事件
            allChoose(e){
                let chooseItem = e.detail.value;
                // 全选
                if(chooseItem[0]=='all'){
                    this.allChecked=true;
                    for(let item of this.checkboxData){
                        let itemVal=String(item.value);
                        if(!this.checkedArr.includes(itemVal)){
                            this.checkedArr.push(itemVal);
                        }
                    }
                }else{
                    // 取消全选
                    this.allChecked=false;
                    this.checkedArr=[];
                }
            }
        }
    }
</script>

<style>
    .tl-section{
        padding: 78rpx 60rpx 44rpx 60rpx;
    }
    .tl-row{
        display: flex;
        justify-content: flex-start;
        align-items: center;
        position: relative;
        height: 172rpx;
        border-bottom: 2rpx solid #E7E9EE;
    }
    .tl-img-100{
        width: 100rpx;
        height: 100rpx;
        background: #C1BFBF;
        border-radius: 50%;
    }
    .tl-center{
        width: 420rpx;
        margin: 0 20rpx;
    }
    .tl-font-green{
        font-size: 28rpx;
        font-family: PingFang SC;
        font-weight: 500;
        color: #4DB046;
        margin-left: 16rpx;
    }
</style>