Jfinal+DWZ使用uploadify插件实现文件上传

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upload.jsp

var htmlHead="<dl><dt style='width: 120px; text-align: right;'>已上传的文件：</dt><dd id='fileHtmlBody'>";var htmlBody="";var htmlFoot="</dd></dl>";function onComplete(event, queueId, fileObj, response, data){var obj = eval( "(" + response + ")" );//转换为JSON对象htmlBody+="<div id='file_"+obj.id+"' style='height:25px;line-height:25px;'>";htmlBody+="<span style='display:none'><input type='checkbox' class='uploaded' name='fid' value='"+obj.id+"' checked/></span>";htmlBody+="<a class='btnAttach'></a><a title='点击右键另存为' target='_blank' href='"+obj.fileurl+"'>"+obj.filename+"</a> （"+obj.filesize+"）<a href='javascript:deleteFile("+obj.id+");'><img src='styles/dwz/uploadify/cancel.png' height='13' align='middle'/></a>";htmlBody+="</div>";$("#fileList").html(htmlHead+htmlBody+htmlFoot);}//删除文件ajax请求function deleteFile(id){$("#file_"+id).load("Main/post/deletefile/"+id);$("#file_"+id).remove();htmlBody=$("#fileHtmlBody").html();}//close前删除已上传的文件function deleteUploaded(){$(".uploaded").each(function(){var fileid = $(this).val();deleteFile(fileid);});}

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<input id="testFileInput" type="file" name="file" uploader="styles/dwz/uploadify/scripts/uploadify.swf"//必需，uploadify使用的插件cancelImg="styles/dwz/uploadify/cancel.png" script="Main/post/uploadfile"//必需，上传的服务端入口fileQueue="fileQueue" //对应下方的div，用来显示上传进度auto="true" onComplete="onComplete"/> //单个文件上传完成执行的js函数<div id="fileQueue" ></div><div class="divider"></div><div id="fileList" ></div> //此块用于显示已上传完成的文件

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Post.java

public void uploadfile(){String saveDirectory = JFWebConfig.saveDirectory + "download";int maxPostSize = JFWebConfig.maxPostSize;//1024*1024UploadFile file = getFile("file", saveDirectory, maxPostSize);String fileName = file.getFileName();String name=fileName.substring(0,fileName.lastIndexOf('.'));String filetype = fileName.substring(fileName.lastIndexOf('.') + 1);String filesize = FileUtils.getFileSize(file.getFile().length());String fileurl = "upload/" + saveDirectory + "/" + fileName;Tab_Downloadfile df = new Tab_Downloadfile();df.set("filename", name);df.set("fileurl", fileurl);df.set("filesize", filesize);df.set("filetype", filetype);if(df.save()){Tab_Downloadfile lastfile = Tab_Downloadfile.dao.getLastSave();Map<String, Object> map = new HashMap<String, Object>();map.put("id", lastfile.getInt("id"));map.put("filename", lastfile.getStr("filename"));map.put("fileurl", lastfile.getStr("fileurl"));map.put("filesize", lastfile.getStr("filesize"));renderJson(map);}else{renderJson("{\"statusCode\":\"300\",\"message\":\"文件存储出错！\"}");}}

/**删除文件*/public void deletefile(){int id = getParaToInt(0);Tab_Downloadfile df = Tab_Downloadfile.dao.findById(id);if(df!=null){try {File file = new File(PathKit.getWebRootPath() + "/" + df.getStr("fileurl"));if (file.exists()) {file.delete();}df.delete();} catch (Exception e) {e.printStackTrace();}}

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