javascript实现客户端兼容各浏览器创建csv并下载的方法
1 $("#radarDLBut").click(function(){ 2 var data = [displayData["radar_chart"]["r_label"],displayData["radar_chart"]["r_default"]]; 3 var csvContent = "data:text/csv;charset=utf-8,ufeff"; 4 if (window.navigator.msSaveOrOpenBlob) { 5 csvContent = "ufeff"; 6 } 7 data.forEach(function(infoArray, index){ 8 dataString = infoArray.join(","); 9 csvContent += index < data.length ? dataString+ " " : dataString; 10 }); 11 if (window.navigator.msSaveOrOpenBlob) { 12 // if browser is IE 13 var blob = new Blob([decodeURIComponent(encodeURI(csvContent))],{ 14 type: "text/csv;charset=utf-8;" 15 }); 16 navigator.msSaveBlob(blob, 'subject.csv'); 17 }else{ 18 var encodedUri = encodeURI(csvContent); 19 var link = document.createElement("a"); 20 link.setAttribute("href", encodedUri); 21 link.setAttribute("download", "subject.csv"); 22 document.body.appendChild(link); 23 link.click(); 24 } 25 });
js实现保存Txt文件到本地-兼容各浏览器
先上代码：支持IE8+,Edge,Firefox,Chrome。
1 <!DOCTYPE html> 2 <html lang="en"> 3 4 <head> 5 <meta charset="UTF-8"> 6 <title>Save Test</title> 7 <script> 8 function save(filename,data){ 9 var ua = window.navigator.userAgent.toLowerCase(); 10 //alert(ua); 11 var version = (ua.match( /.+(?:rv|it|ra|ie)[/: ]([d.]+)/ ) || [])[1]; 12 13 if(ua.indexOf("edge") > -1 || (ua.indexOf("msie") == -1 && version =='11.0') || (ua.indexOf("msie") > -1 && version == '10.0' )) { 14 window.navigator.msSaveOrOpenBlob(new Blob([ data ]), filename); 15 return; 16 } 17 // for IE9- 18 if(ua.indexOf("msie") > -1 && (version == '9.0' || version == '8.0')){ 19 var frame = document.createElement("iframe"); 20 if (frame) { 21 document.body.appendChild(frame); 22 frame.setAttribute("style", "display:none"); 23 frame.contentWindow.document.open("txt/html", "replace"); 24 25 frame.contentWindow.document.write(data); 26 frame.contentWindow.document.close(); 27 frame.focus(); 28 frame.contentWindow.document.execCommand("SaveAs", true, 29 filename); 30 document.body.removeChild(frame); 31 } 32 }else if(ua.indexOf('firefox')>-1 || ua.indexOf('chrome')>-1){ 33 var blob = new Blob([data]); 34 var link = document.getElementsByTagName('a')[0]; 35 link.download = filename; 36 var url = URL.createObjectURL(blob); 37 link.href = url; 38 //URL.revokeObjectURL(url); 39 } 40 } 41 42 43 window.onload = function(){ 44 var data = 'hello world!'; 45 save('file.txt',data); 46 } 47 </script> 48 </head> 49 50 <body> 51 <a>Save</a> 52 </body> 53 54 </html> 55