关于vue.js:element单选框组-取消选择

 <el-descriptions :column="1" title :labelStyle="{width:'200px'}" border>            <el-descriptions-item :key="i" :label="item.attributeName" v-for="(item,i) in mxkzlist">              <el-radio-group                size="small"                v-if="item.optionType==1"                v-model="item.value"                             >                <el-radio                  @click.native="onRadioChange($event, sitem,item)"                  v-for="sitem in item.option"                  :label="sitem"                >{{sitem}}</el-radio>              </el-radio-group>            </el-descriptions-item>          </el-descriptions>

 onRadioChange(e, sitem, item) {      let name = e.target.nodeName    //加判断就只登程一次，不加要不然会登程两次 input和label都会触发    //如果选中的那个**有值**，循环数组，把数组中选中的那个清空      if (name == 'INPUT') {        let ndata = this.$deepClone(this.mxkzlist)        if (item.value) {          ndata.forEach(itt => {            if (itt.id == item.id) {                itt.value = ''            }          })        }        this.mxkzlist = ndata             }    },