一、此方法火狐有些版本是不支持的 window.location.href = 'https://*****.oss-cn-**.aliyuncs.com/*********'; 二、为了解决火狐有些版本不支持,可以改成这种方式 window.location='https://*****.oss-cn-**.aliyuncs.com/*********'; 三、该方法IE和火狐都可以,url表示要下载的文件路径: function(url){ try { var elemIF = document.createElement("iframe"); elemIF.src = url; elemIF.style.display = "none"; document.body.appendChild(elemIF); } catch (e) { alert("下载异常！"); } } 四、form表单的形式 downloadFile(url){ var form=$("<form>"); form.attr("style","display:none"); form.attr("target",""); form.attr("method","get"); form.attr("action",url); $("body").append(form); form.submit();//表单提交} } 五、a标签的方式 function(url,name){ var a = document.createElement("a"); a.download = name + ".xls"; a.href = url; $("body").append(a); // 修复firefox中无法触发click a.click(); $(a).remove(); } 六、假如后台给的文件流 function (formData, url, name) { return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest(); xhr.open("POST", url, true); // 也可以使用POST方式，根据接口 xhr.responseType = "blob"; // 返回类型blob // 定义请求完成的处理函数，请求前也可以增加加载框/禁用下载按钮逻辑 xhr.onload = function () { // 请求完成 if (this.status === 200) { // 返回200 var blob = this.response; var reader = new FileReader(); reader.readAsDataURL(blob); // 转换为base64，可以直接放入a表情href reader.onload = function (e) { // 转换完成，创建一个a标签用于下载 var a = document.createElement("a"); a.download = name + ".xls"; a.href = e.target.result; $("body").append(a); // 修复firefox中无法触发click a.click(); resolve(200) $(a).remove(); }; } }; // 发送ajax请求 xhr.send(formData); }) }; 七、download.js 我粘贴一下download的源码 //download.js v4.2, by dandavis; 2008-2016. [CCBY2] see http://danml.com/download.html for tests/usage // v1 landed a FF+Chrome compat way of downloading strings to local un-named files, upgraded to use a hidden frame and optional mime // v2 added named files via a[download], msSaveBlob, IE (10+) support, and window.URL support for larger+faster saves than dataURLs // v3 added dataURL and Blob Input, bind-toggle arity, and legacy dataURL fallback was improved with force-download mime and base64 support. 3.1 improved safari handling. // v4 adds AMD/UMD, commonJS, and plain browser support // v4.1 adds url download capability via solo URL argument (same domain/CORS only) // v4.2 adds semantic variable names, long (over 2MB) dataURL support, and hidden by default temp anchors // https://github.com/rndme/download (function (root, factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module. define([], factory); } else if (typeof exports === 'object') { // Node. Does not work with strict CommonJS, but // only CommonJS-like environments that support module.exports, // like Node. module.exports = factory(); } else { // Browser globals (root is window) root.download = factory(); } }(this, function () { return function download(data, strFileName, strMimeType) { var self = window, // this script is only for browsers anyway... defaultMime = "application/octet-stream", // this default mime also triggers iframe downloads mimeType = strMimeType || defaultMime, payload = data, url = !strFileName && !strMimeType && payload, anchor = document.createElement("a"), toString = function(a){return String(a);}, myBlob = (self.Blob || self.MozBlob || self.WebKitBlob || toString), fileName = strFileName || "download", blob, reader; myBlob= myBlob.call ? myBlob.bind(self) : Blob ; if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback payload=[payload, mimeType]; mimeType=payload[0]; payload=payload[1]; } if(url && url.length< 2048){ // if no filename and no mime, assume a url was passed as the only argument fileName = url.split("/").pop().split("?")[0]; anchor.href = url; // assign href prop to temp anchor if(anchor.href.indexOf(url) !== -1){ // if the browser determines that it's a potentially valid url path: var ajax=new XMLHttpRequest(); ajax.open( "GET", url, true); ajax.responseType = 'blob'; ajax.onload= function(e){ download(e.target.response, fileName, defaultMime); }; setTimeout(function(){ ajax.send();}, 0); // allows setting custom ajax headers using the return: return ajax; } // end if valid url? } // end if url? //go ahead and download dataURLs right away if(/^data\:[\w+\-]+\/[\w+\-]+[,;]/.test(payload)){ if(payload.length > (1024*1024*1.999) && myBlob !== toString ){ payload=dataUrlToBlob(payload); mimeType=payload.type || defaultMime; }else{ return navigator.msSaveBlob ? // IE10 can't do a[download], only Blobs: navigator.msSaveBlob(dataUrlToBlob(payload), fileName) : saver(payload) ; // everyone else can save dataURLs un-processed } }//end if dataURL passed? blob = payload instanceof myBlob ? payload : new myBlob([payload], {type: mimeType}) ; function dataUrlToBlob(strUrl) { var parts= strUrl.split(/[:;,]/), type= parts[1], decoder= parts[2] == "base64" ? atob : decodeURIComponent, binData= decoder( parts.pop() ), mx= binData.length, i= 0, uiArr= new Uint8Array(mx); for(i;i<mx;++i) uiArr[i]= binData.charCodeAt(i); return new myBlob([uiArr], {type: type}); } function saver(url, winMode){ if ('download' in anchor) { //html5 A[download] anchor.href = url; anchor.setAttribute("download", fileName); anchor.className = "download-js-link"; anchor.innerHTML = "downloading..."; anchor.style.display = "none"; document.body.appendChild(anchor); setTimeout(function() { anchor.click(); document.body.removeChild(anchor); if(winMode===true){setTimeout(function(){ self.URL.revokeObjectURL(anchor.href);}, 250 );} }, 66); return true; } // handle non-a[download] safari as best we can: if(/(Version)\/(\d+)\.(\d+)(?:\.(\d+))?.*Safari\//.test(navigator.userAgent)) { url=url.replace(/^data:([\w\/\-\+]+)/, defaultMime); if(!window.open(url)){ // popup blocked, offer direct download: if(confirm("Displaying New Document\n\nUse Save As... to download, then click back to return to this page.")){ location.href=url; } } return true; } //do iframe dataURL download (old ch+FF): var f = document.createElement("iframe"); document.body.appendChild(f); if(!winMode){ // force a mime that will download: url="data:"+url.replace(/^data:([\w\/\-\+]+)/, defaultMime); } f.src=url; setTimeout(function(){ document.body.removeChild(f); }, 333); }//end saver if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL) return navigator.msSaveBlob(blob, fileName); } if(self.URL){ // simple fast and modern way using Blob and URL: saver(self.URL.createObjectURL(blob), true); }else{ // handle non-Blob()+non-URL browsers: if(typeof blob === "string" || blob.constructor===toString ){ try{ return saver( "data:" + mimeType + ";base64," + self.btoa(blob) ); }catch(y){ return saver( "data:" + mimeType + "," + encodeURIComponent(blob) ); } } // Blob but not URL support: reader=new FileReader(); reader.onload=function(e){ saver(this.result); }; reader.readAsDataURL(blob); } return true; }; /* end download() */ })); 用法： download(fileUrl,name,"video/mp4"); 具体更多的用法请参考官网， 注意 download.js第一个参数 是数据流，不是像oss那样的文件地址 ———————————————— 版权声明：本文为CSDN博主「攻城狮狮」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。 原文链接：https://blog.csdn.net/wodebokecsdn/java/article/details/88397665
