下载 导出excel

async downLoad(){
   const url=`${baseUrl.dev.cic}/companyInfo/exportExcel`
   const data={
  		id:this.getId,
  		fileName:`列表.xlsx`
   }
   const res=await downloadService(url,data);
   isResponseOk(res)
}

function.js
export function downloadService(url,formData){
	return dataService
	.post(url,formData,{
		responseType:'blob'
})
.then((res)={}=>{
	const fileReader=new FileReader()
	fileReader.onload=(e={})=>{
		try{
			const jsonData=JSON.parse(e.target.result)
			if(!jsonData.state){
				Vue.prototype.$message.error('下载失败，请重试！')
			}
		}catch(err){
			download(res,formData.fileName)
		}
	}
	fileReader.readAsText(res)
})
}
//处理接口响应结果，错误了提示
export function isRespisRonseOk(vm,response){
	if(isApiResponseOk(response)){
	return true
}
return errorTip(vm,reponse)
}