iview使用多选框实现单选功能

 <CheckboxGroup v-model="detailData.payType" @on-change="getPayTypeFun">

                            <Checkbox label="0" :disabled="isEdit">现金</Checkbox>

                            <Checkbox label="1" :disabled="isEdit">银转</Checkbox>

                            <Checkbox label="2" :disabled="isEdit">汇票</Checkbox>

                            <Checkbox label="3" :disabled="isEdit">网上支付</Checkbox>

</CheckboxGroup>

 

 

   // 支付方式

            getPayTypeFun(data) {

                if (data.length > 1) {

                    this.detailData.payType = []

                    let i=String(data.length-1)

                    this.detailData.payType = [data[i]]

                }

            },