/*
 * @Author: 范非苗
 * @Date: 2021-03-12 11:02:38
 * @LastEditTime: 2021-03-12 11:05:07
 */
// 文件下载
export const downloadFile = function (url,name) {
  const link = document.createElement('a')
  link.setAttribute('download', name)
  link.href = url
  link.click()
}

export const download=function (url,filename="文件下载") {
  getBlob(url, function (blob) {
      saveAs(blob, filename);
  });
}

function getBlob(url, cb) {
  var xhr = new XMLHttpRequest();
  xhr.open('GET', url, true);
  xhr.responseType = 'blob';
  xhr.onload = function () {
    if (xhr.status === 200) {
      cb(xhr.response);
    }
  };
  xhr.send();
}

function saveAs (blob,filename) {
  if(window.navigator.msSaveOrOpenBlob){
    navigator.msSaveBlob(blob,filename)
  }else{
    let a=document.createElement("a")
    let body=document.querySelector("body")
    a.href=window.URL.createObjectURL(blob)
    a.download=filename
    a.style.display="none"
    body.appendChild(a)
    a.click()
    body.removeChild(a)
    window.URL.revokeObjectURL(a.href)
  }
}