prevent阻止默认事件
<el-radio-group v-model="radio">
<el-radio :label="1" @click.native.prevent="radioClick(1)">备选项</el-radio>
</el-radio-group>
radio: ‘‘,
radioClick (e) {
// console.log(typeof this.radio)
e === this.radio? (this.radio = ‘‘):(this.radio = e)
}
原文：https://www.cnblogs.com/js-liqian/p/12068682.html