web,H5下载

get请求是H5代码。可能会出现跨域问题，让服务端解决跨域问题，还有很多浏览器不支持，目前只有少数的几个浏览器支持下载

downFile (info) {let url = info.downPath//文件下载地址var xhr = new XMLHttpRequest();xhr.open("get", url, true);xhr.responseType = "blob";xhr.onload = function () {let blob = xhr.responseif (window.navigator.msSaveOrOpenBlob) {navigator.msSaveBlob(blob, info.fileName)} else {let link = document.createElement('a')let evt = document.createEvent('HTMLEvents')evt.initEvent('click', false, false)link.href = URL.createObjectURL(blob)link.download = info.fileNamelink.style.display = 'none'document.body.appendChild(link)link.click()window.URL.revokeObjectURL(link.href)}};xhr.send();},

post请求是web端的，后端接口地址返回来的是文件流，没办法只能用这种方式，测试通过没问题

downOut () {const env = process.env.VUE_APP_ENVlet url = config.baseUrl[env] + "Device/ExportDevice"//接口请求地址const req = new XMLHttpRequest();let formData = JSON.stringify(this.selectedRowKeys);//post请求参数req.open('POST', url, true);req.responseType = 'blob';req.setRequestHeader('Content-Type', 'application/json');req.setRequestHeader('token', localStorage.getItem('sysToken'))//携带token参数req.onload = () => {const data = req.response;const blob = new Blob([data], { type: "application/octet-stream" });const blobUrl = window.URL.createObjectURL(blob);this.download(blobUrl);};req.send(formData);},download (blobUrl) {const a = document.createElement('a');a.style.display = 'none';a.download = '批量导出设备信息.xlsx'; //文件名a.href = blobUrl;document.body.appendChild(a)a.click()window.URL.revokeObjectURL(a.href)},

web,H5下载

get请求是H5代码。可能会出现跨域问题，让服务端解决跨域问题，还有很多浏览器不支持，目前只有少数的几个浏览器支持下载

downFile (info) {let url = info.downPath//文件下载地址var xhr = new XMLHttpRequest();xhr.open("get", url, true);xhr.responseType = "blob";xhr.onload = function () {let blob = xhr.responseif (window.navigator.msSaveOrOpenBlob) {navigator.msSaveBlob(blob, info.fileName)} else {let link = document.createElement('a')let evt = document.createEvent('HTMLEvents')evt.initEvent('click', false, false)link.href = URL.createObjectURL(blob)link.download = info.fileNamelink.style.display = 'none'document.body.appendChild(link)link.click()window.URL.revokeObjectURL(link.href)}};xhr.send();},

post请求是web端的，后端接口地址返回来的是文件流，没办法只能用这种方式，测试通过没问题

downOut () {const env = process.env.VUE_APP_ENVlet url = config.baseUrl[env] + "Device/ExportDevice"//接口请求地址const req = new XMLHttpRequest();let formData = JSON.stringify(this.selectedRowKeys);//post请求参数req.open('POST', url, true);req.responseType = 'blob';req.setRequestHeader('Content-Type', 'application/json');req.setRequestHeader('token', localStorage.getItem('sysToken'))//携带token参数req.onload = () => {const data = req.response;const blob = new Blob([data], { type: "application/octet-stream" });const blobUrl = window.URL.createObjectURL(blob);this.download(blobUrl);};req.send(formData);},download (blobUrl) {const a = document.createElement('a');a.style.display = 'none';a.download = '批量导出设备信息.xlsx'; //文件名a.href = blobUrl;document.body.appendChild(a)a.click()window.URL.revokeObjectURL(a.href)},