service/src/utils/downloadBlobFile.js

import axios from "axios";
function downloadBlobFile(url, data, name, type, fileType) {
  return new Promise((resolve, reject) => {
    axios({
      method: type,
      url,
      responseType: "blob",
      data,
    })
      .then((res) => {
        if (res.data.size) {
          let blob = new Blob([res.data], {
            type: fileType,
          });
          let downloadElement = document.createElement("a");
          let href = window.URL.createObjectURL(blob); // 创建下载的链接
          downloadElement.href = href;
          downloadElement.download = name; // 下载后文件名
          document.body.appendChild(downloadElement);
          downloadElement.click(); // 点击下载
          document.body.removeChild(downloadElement); // 下载完成移除元素
          window.URL.revokeObjectURL(href); // 释放掉blob对象
          resolve({
            status: 0,
          });
        } else {
          resolve({
            status: -1,
          });
        }
      })
      .catch((e) => {
        reject({
          status: 1,
        });
      });
  });
}
export default downloadBlobFile;