SmartUpload的使用及相关操作（上传文件控制和保存文件命名）

package com.cz.util; import javax.servlet.http.HttpServletRequest; import javax.servlet.jsp.PageContext; import com.jspsmart.upload.File; import com.jspsmart.upload.SmartUpload; public class UploadFileManager { /** * 上传控制 * @param su smartUpload的对象 * @param pageContext * @param request * @return * @throws Exception */ public static String upload(SmartUpload su,PageContext pageContext,HttpServletRequest request) throws Exception { File suFile = null; int fileSize; String fileExt = ""; int fileCount = 0; int maxFileSize = (int) (10*Math.pow(2, 10));//单个文件最大单位K最大上传大小为50M String AllowedExtensions=",jpg,jpeg,gif,png,mp4,zip,";//允许上传的文件类型,注意添加文件类型需要在最后加上逗号 try { for (int i=0; i<su.getFiles().getCount();i++) { suFile = su.getFiles().getFile(i); if (suFile.isMissing()) continue; fileSize = suFile.getSize()/1024;//字节转换成KB if(fileSize==0) fileSize=1; if (suFile.getFileExt() == null || "".equals(suFile.getFileExt())) { fileExt = ",,"; } else { fileExt = "," + suFile.getFileExt().toLowerCase() + ","; } if (!"".equals(AllowedExtensions) && AllowedExtensions.indexOf(fileExt) == -1) { throw new Exception("您上传的文件[" + suFile.getFileName() + "]的类型为系统禁止上传的文件类型，不能上传！"); } if(maxFileSize<fileSize) throw new Exception("单个上传文件的容量不能超过["+maxFileSize+"KB]即10M"+"超过文件为："+suFile.getFileName()); fileCount++; } if (fileCount==0) throw new Exception("请选择上传的文件"); String ip = request.getRemoteAddr(); IPTimeStamp ipTimeStamp = new IPTimeStamp(ip); String fullFileName = null;//保存到服务器上的文件名(带路径) for (int i=0; i<su.getFiles().getCount();i++) { suFile = su.getFiles().getFile(i); fileExt = su.getFiles().getFile(i).getFileExt(); if (suFile.isMissing()) continue; fullFileName = ipTimeStamp.getIPTimeStamp()+"."+fileExt;//填写 文件的路径+文件名 String path1 = pageContext.getServletContext().getRealPath("/")+"upload"+java.io.File.separator+fullFileName;//填写 文件名 System.out.println(path1); suFile.saveAs(path1.toString(),SmartUpload.SAVE_PHYSICAL);// 项目跟路径下upload文件夹下 String path2 = "F:\\Receive\\"+fullFileName;//本地保存路径 System.out.println(path2); suFile.saveAs(path2.toString(), SmartUpload.SAVE_PHYSICAL); } return "successed"; } finally { // } } }