2020-06-12 文件下载

export const postDownloadExcel = (params, url, fileName) => {
  return axios
    .request({
      url: url,
      responseType: "blob",
      method: "POST",
      data: params
    })
    .then(res => {
      // 处理返回的文件流
      if ("download" in document.createElement("a")) {
        // 非IE下载
        const elink = document.createElement("a");
        elink.download = fileName;
        elink.style.display = "none";
        elink.href = URL.createObjectURL(res.data);
        document.body.appendChild(elink);
        elink.click();
        URL.revokeObjectURL(elink.href); // 释放URL 对象
        document.body.removeChild(elink);
      } else {
        // IE10+下载
        navigator.msSaveBlob(res, fileName);
      }
    })
    .catch(err => {
      errHanler(err);
    });
};

export const downloadExcel = (params, url, fileName) => {
  return axios.request({
    url: url,
    responseType: 'blob',
    method: 'get',
    params
  }).then((res) => { // 处理返回的文件流
    if ('download' in document.createElement('a')) { // 非IE下载
      const elink = document.createElement('a')
      elink.download = fileName
      elink.style.display = 'none'
      elink.href = URL.createObjectURL(res.data)
      document.body.appendChild(elink)
      elink.click()
      URL.revokeObjectURL(elink.href) // 释放URL 对象
      document.body.removeChild(elink)
    } else { // IE10+下载
      navigator.msSaveBlob(res, fileName)
    }
  }).catch(err => {
    errHanler(err)
  })
}