axios 获取文件流并下载

axios_download.js

let path = "http://localhost:5000/api/export";

axios
  .get(path, { params: this.searchForm , responseType: 'blob'})
  .then(response => {
    let data = response.data;

    let fileName = res.headers['content-disposition'].match(/fushun(\S*)xls/)[0];

    var blob = new Blob([data], {type: response.headers['Content-Type']}); 
    const url = window.URL.createObjectURL(blob);
    const link = document.createElement("a");
    link.href = url;
    link.setAttribute("download", "testing.xlsx");
    document.body.appendChild(link);
    link.click();
  })
  .catch(e => {
    this.$Message.info(e);
  });

axios({
  url: 'http://localhost:5000/static/example.pdf',
  method: 'GET',
  responseType: 'blob', // important
}).then((response) => {
  const url = window.URL.createObjectURL(new Blob([response.data]));
  const link = document.createElement('a');
  link.href = url;
  link.setAttribute('download', 'file.pdf');
  document.body.appendChild(link);
  link.click();
});


responseType: 'blob', // 是必须填的