bandhuBuy-admin/src/sheep/request/export.js

import { request } from './index';
import { ElMessage } from 'element-plus';

// 导出并自动下载
export const EXPORT = async (url, params) => {
  const res = await request({
    url,
    method: 'GET',
    params,
    responseType: 'blob',
    timeout: 800000,
    options: {
      showLoading: true,
    },
  });

  if (res.data.type === 'application/octet-stream') {
    const contentType = res.headers['content-type'];
    const filename = contentType.substring(
      contentType.lastIndexOf('name=') + 5,
      contentType.length,
    );

    const downloadurl = window.URL.createObjectURL(new Blob([res.data]));
    const link = document.createElement('a');
    link.href = downloadurl;
    link.setAttribute('download', decodeURIComponent(filename));
    document.body.appendChild(link);
    link.click();
  } else {
    const reader = new FileReader();
    reader.onload = () => {
      const msg = JSON.parse(reader.result).msg;
      ElMessage.error(msg || '操作失败');
    };
    reader.readAsText(res.data);
  }
};