//子组件

<button class="btn-operate btn-style-main mr10 mb10" @click="insuranceInformation">新增</button>

methods: {
  insuranceInformation () {
    this.$emit('showInsurInformation')
  }
}

//父组件

<insuranceInformations @showInsurInformation="insuranceInformations"></insuranceInformations> //子组件

methods: {
 insuranceInformations () {
  this.innerDialogShowTxt = '添加车辆保险信息'
 },}