axios({

  method: 'post',

  url: 'http://localhost:19090/exportUser',//这个是请求的地址

  params: {//这个是请求的参数

   email: this.email,

   startRegisterDate: this.registerStartTime,

   endRegisterDate: this.registerEndTime

  },

  responseType: 'blob'

  }).then((res) => {

  console.log(res)

  const link = document.createElement('a')

  let blob = new Blob([res.data],{type: 'application/vnd.ms-excel'});

  link.style.display = 'none'

  link.href = URL.createObjectURL(blob);

  let num = ''

  for(let i=;i < ;i++){

   num += Math.ceil(Math.random() * )

  }

  link.setAttribute('download', '用户_' + num + '.xls')

  document.body.appendChild(link)

  link.click()

  document.body.removeChild(link)

  }).catch(error => {

  console.log(error)

  })