导出文件 ()

最新推荐文章于 2023-06-02 14:06:20 发布

学而不化，非学也。

最新推荐文章于 2023-06-02 14:06:20 发布

阅读量129

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CC 4.0 BY-SA版权

文章标签： vue js

本文链接：https://blog.youkuaiyun.com/weixin_41579185/article/details/98587550


export const exportFile = (pathname, params, data) => {
  let name = (data && data.name) || 'data'
  let fun = (data && data.fuc) || null
  let url = `${baseUrl}${pathname}`
  let xhr = new XMLHttpRequest();
  if (!params) {
    xhr.open('GET', url, true);
  } else {
    xhr.open('POST', url, true);
  }
  xhr.setRequestHeader('Authorization', `Bearer ${window.sessionStorage.token}`);
  xhr.setRequestHeader('Content-Type', 'application/json;charset=UTF-8');
  xhr.setRequestHeader('positionId', window.sessionStorage.uid ?
    window.sessionStorage.posId :
    window.sessionStorage.getItem('userInfo') && JSON.parse(window.sessionStorage.getItem('userInfo')).position.positionId)

  xhr.responseType = "blob";
  xhr.onreadystatechange = function () {
    if (xhr.readyState === 4) {
      if (xhr.status === 200) {
        let blob = this.response;
        let reader = new FileReader();
        reader.readAsDataURL(blob);
        reader.onload = function (e) {
          let appendFile = document.createElement('a');
          appendFile.download = `${name}.zip`;
          appendFile.href = e.target.result;
          document.querySelector('body').append(appendFile);
          appendFile.click();
          appendFile.remove();
        }
        if (fun && typeof fun === 'function') {
          fun('success')
        }
      } else {
        console.log('读取附件失败')
        if (fun && typeof fun === 'function') {
          fun('err')
        }
      }
    }
  };
  // 发送ajax请求
  if (!params) {
    xhr.send()
  } else {
    xhr.send(JSON.stringify(params))
  }
}