js 页面下载3中方式

1. window.location.href = '请求路径'get方式}2. fetch('请求路径方式拼接上去'get方式).then(res => res.blob().then(blob => {   const a = document.createElement('a')   const url = window.URL.createObjectURL(blob)   const filename = 'aa.xlsx'   a.href = url   a.download = filename   a.click()   window.URL.revokeObjectURL(url) }))3.this.exportData.campusId = this.campusIdthis.exportData.time = this.changeTimes(this.createEndTime)axios({  url:'路径'  method: '方式',  type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',  data: 参数,  responseType: 'blob',  timeout: 120000}).then(response => {  const blob = new Blob([response.data])  const fileName ='aa.xlsx'  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(blob)    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(blob, fileName)  }

来源：https://www.cnblogs.com/bt2882/p/11577632.html