// 通用下载方法 export function download(fileName) { /* * 使用window.location.href pc端下载正常,平板下载后文件内容为空 * // window.location.href = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true; * */ //兼容平板下载的写法 var url = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true; var fileName = fileName; ajax(url, function(xhr) { downloadFile(xhr.response, fileName) }, { responseType: ‘blob‘ }) } //下载文件1 function downloadFile(content, filename) { var a = document.createElement(‘a‘) var blob = new Blob([content]) var url = window.URL.createObjectURL(blob) a.href = url a.download = filename a.click() window.URL.revokeObjectURL(url) } //下载文件2 function ajax(url, callback, options) { window.URL = window.URL || window.webkitURL var xhr = new XMLHttpRequest() xhr.open(‘get‘, url, true) if (options.responseType) { xhr.responseType = options.responseType } xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { callback(xhr) } } xhr.send() }