关于axios:post-get-请求方式下载文件

export function downFile(url,parameter,method){  return axios({    url: url,    params: parameter,    method:method ,    responseType: 'blob'  })}downFile(this.url.exportXlsUrl,param,'get').then((data)=>{        if (!data) {          this.$message.warning("文件下载失败")          return        }        if (typeof window.navigator.msSaveBlob !== 'undefined') {          window.navigator.msSaveBlob(new Blob([data]), fileName+'.xls')        }else{          let url = window.URL.createObjectURL(new Blob([data]))          let link = document.createElement('a')          link.style.display = 'none'          link.href = url          link.setAttribute('download', fileName+'.xls')          document.body.appendChild(link)          link.click()          document.body.removeChild(link); //下载实现移除元素          window.URL.revokeObjectURL(url); //开释掉blob对象        }      })