element-ui中的单选

单选

<el-form-item label="">
   <el-radio-group v-model="form.value">
      <el-radio @click.native.prevent="onIsNamesakeCard(item.value)"></el-radio>
   </el-radio-group>
</el-form-item>

#单选可以取消函数
onIsNamesakeCard(val){
   this.form.value = val == this.form.value ? '' : val
}