<!doctype html><html><head><meta charset="utf-8"><title>维修指南</title><meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0, maximum-scale=0.85, user-scalable=yes" /><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="black"><link href="../css/mui.min.css" rel="stylesheet" /><link rel="stylesheet" type="text/css" href="../css/mui.picker.min.css" /><link href="../css/mui.poppicker.css" rel="stylesheet" /><style>html,body {background-color: #efeff4;}</style></head><body><header class="mui-bar mui-bar-nav"><a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a><h1 id="title" class="mui-title">维修指南</h1></header><div class="mui-content mui-scroll-wrapper"><div class="mui-scroll"><div class="mui-card"><ul class="mui-table-view" id="treeMenu"> </ul></div></div></div><script src="../js/jq.js"></script><script src="../js/mui.min.js"></script><script src="../js/device_status.js"></script><script> (function(jq, $, doc) {var info = {};info.type="directory";info.fileName="";info.filePath="";$.init({swipeBack: true});$.plusReady(function() {getFileListInfo();});mui("#treeMenu").on('tap','.mui-table-view-cell',function(e){info.type="file";info.fileName = this.getAttribute("id");info.filePath = this.getAttribute("val");getFileListInfo()})mui("#treeMenu").on('tap','.download',function(e){var infoDownload = {}infoDownload.fileName = this.getAttribute("id");infoDownload.filePath = this.getAttribute("val");var routePath='/viewFile'; routePath=deviceStatus.getAddress()+routePath + '?fileName=' + infoDownload.fileName + '&filePath=' + infoDownload.filePath;console.log(routePath)var url = encodeURI(routePath);//方式一// var downToak =plus.downloader.createDownload(routePath, {retryInterval:10}, function(d, status){// if(status == 200){// var btnArray = ['否', '是'];// mui.confirm('是否采用第三方方式打开？', '预览', btnArray, function(e) {// if (e.index == 1) {// plus.runtime.openFile(d.filename, {}, function(e) {//打开文件// plus.nativeUI.toast('打开失败');// });// } else {// }// });// }else{// plus.nativeUI.alert("文件查看失败！"); // }// });// downToak.start();//方式二var wait = plus.nativeUI.showWaiting("正在打开文件...");var dtask = plus.downloader.createDownload(url, {retryInterval:10}, function(d, status) {if(status == 200) {plus.runtime.openFile(d.filename, {}, function(e) {wait.close();mui.alert("无法打开此文件：" + e.emssage, "我的软件");});wait.close();} else {wait.close();mui.alert("文件打开失败: " + status, "我的软件");}});dtask.start();})function getFileListInfo(){deviceStatus.FileGetListInfo(info,function(list, err){if(err){$.toast(err);return;}var menu = ''mui.each(list,function(i,n){menu = menu + treeMenu(n)})// console.log("menu:"+menu)if(info.type=="directory"){jq('#treeMenu').append(menu);}else{jq('#'+info.fileName).empty();menu = '<a class="mui-navigate-right" href="#">'+info.fileName+'</a>'+menujq('#'+info.fileName).append(menu);}});}function treeMenu(n){var result = ''if(n.children != undefined){result = '<li class="mui-table-view-cell mui-collapse" id="'+n.label+'" val="'+n.path+'">'+'<a class="mui-navigate-right" href="#">'+n.label+'</a>'var childFile = ''mui.each(n.children,function(i,n){childFile = childFile + treeMenu(n)})result = result + childFile + '</li>'}else if(n.size != undefined){result = '<div class="mui-row mui-collapse-content">'+'<p class="mui-col-sm-10 mui-col-xs-10" style="padding: 1%;">'+n.label+'</p>'+'<p class="mui-col-sm-2 mui-col-xs-2 download" style="padding: 1%;color:blue;" id="'+n.label+'" val="'+n.path+'">查看</p>'+'</div>'}return result}}($, mui, document));//允许滑动(function() {mui('.mui-scroll-wrapper').scroll({bounce: true, //是否启用回弹indicators: true, //是否显示滚动条deceleration: 0.0006});})();</script><style></style></body></html>
Ajax
owner.FileDownload = function(info) {var routePath='/viewFile';// callback = callback || $.noop;routePath=owner.getAddress()+routePath + '?fileName=' + info.fileName + '&filePath=' + encodeURI(info.filePath);// var userId=owner.getUser();// //创建访问参数// var paraJson={};// paraJson.userID=userId;// paraJson.file_name=info.fileName;// paraJson.file_path=info.filePath;// var paraData=JSON.stringify(paraJson);console.log(routePath)var wait = plus.nativeUI.showWaiting("正在打开文件...");var dtask = plus.downloader.createDownload(routePath, {retryInterval:10}, function(d, status) {if(status == 200) {plus.runtime.openFile(d.filename, {}, function(e) {wait.close();mui.alert("无法打开此文件：" + e.emssage, "我的软件");});wait.close();} else {wait.close();mui.alert("文件打开失败: " + status, "我的软件");}});dtask.start();
}；以上为前端，以下为后端
@RequestMapping(value = "/viewFile",method = {RequestMethod.POST,RequestMethod.GET})public void pdfStreamHandler(HttpServletResponse response,String fileName,String filePath) throws ServletException,IOException {InputStream in = null;String errorMsg=null;String userID="-1";try {fileName =java.net.URLEncoder.encode(fileName,"UTF-8");很重要！！！如果没有这样编码文件名，下载的时候，如果是中文，下载文件名会乱码。in = new FileInputStream(new File(filePath));//本地文件String fileDirPath=uploadFileParentPath+fileName;if(filePath==null || filePath.equals("")) {filePath=fileDirPath;}File file=new File(filePath);if(!file.exists()){return;}// 重置response对象中的缓冲区，该方法可以不写，但是你要保证response缓冲区没有其他数据，否则导出可能会出现问题，response.reset();response.setContentType("bin");//application/octet-stream// 直接下载时加attachment,预览时候不加
// response.addHeader("Content-Disposition", "attachment; filename=\""+fileName+"\"");response.addHeader("Content-Disposition", "attachment; filename=\""+fileName+"\"");byte[] buffer = new byte[1024];int length;while ((length = in.read(buffer)) > 0) {response.getOutputStream().write(buffer, 0, length);}} catch (Exception e) {
// logger.error("下载文件出错", e);e.printStackTrace();} finally {if (in != null) {try {in.close();} catch (IOException e) {}}}}
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