this.$axios.get("/wx/villageargot/export",{params:{subDistrictId:this.query.streetId},responseType:"blob"}).then(res=>{constlink=document.createElement("a");letblob=newBlob([res.data],{type:"application/vnd.ms-excel"});link.style.display="none";link.href=URL.createObjectURL(blob);letnum="";for(leti=0;i<10;i++){num+=Math.ceil(Math.random()*10);}link.setAttribute("download","User_"+num+".xls");document.body.appendChild(link);link.click();//直接删除a标签不通过窗口.URL.revokeObjectURL(link.href)释放内存document.body.removeChild(link);NProgress.done();}).catch(error=>{this.$Notice.error({title:"错误",desc:"网络连接错误"});});前端js/vue从后台下载流式文件（如excel）并设置下载文件名
