ssh2多文件的上传与下载

package org.yf.action; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.List; import java.util.UUID; import org.apache.commons.io.FileUtils; import org.apache.struts2.ServletActionContext; import org.yf.vo.UploadFiles; import org.yf.service.IUploadService; import org.yf.utils.GetReqResObject; import org.yf.utils.UploadConfigurationRead; import com.opensymphony.xwork2.ActionSupport; public class UploadAction extends ActionSupport { /** * */ private static final long serialVersionUID = 1L; private File[] upload; private String[] uploadContentType; private String[] uploadFileName; private List<UploadFiles> uploadFiles = new ArrayList<UploadFiles>(); private IUploadService uploadService; private String uploadSavePath = "E:/invain/upLoad/"; //上传文件的绝对路径 public String uploadFile() throws Exception { try { //String targetDirectory = ServletActionContext.getServletContext().getRealPath(); if(upload!=null){ for (int i = 0; i < upload.length; i++) { String fileName = uploadFileName[i]; String type = uploadContentType[i]; String realName = UUID.randomUUID().toString()+ getExt(fileName); String targetDirectory = uploadSavePath; File target = new File(targetDirectory, realName); if(target==null){ target.mkdir(); } FileUtils.copyFile(upload[i], target); UploadFiles uf = new UploadFiles(); uf.setFiletype(this.getFileType(fileName)); uf.setFilename(fileName); uf.setRealname(realName); uf.setFilepath(target.getPath()); uf.setFilesize(this.getSizeFormat(this.getFileSizes(target))); this.uploadService.insertUpload(uf); uploadFiles.add(uf); } //ServletActionContext.getRequest().setAttribute("uploadFiles",uploadFiles); } } catch (Exception e) { e.printStackTrace(); addActionError(e.getMessage()); return INPUT; } return SUCCESS; } public String up(){ return INPUT; } public static String getExt(String fileName) { return fileName.substring(fileName.lastIndexOf(".")); } // 取得文件大小 public long getFileSizes(File f) throws Exception{ long s=0; if (f.exists()) { FileInputStream fis = null; fis = new FileInputStream(f); s= fis.available(); } else { f.createNewFile(); System.out.println("文件不存在"); } return s; } //文件大小格式化 public String getSizeFormat(long fileSize){ String size = null; DecimalFormat df = new DecimalFormat("#.0"); if(fileSize>0 && fileSize<1024){ size = String.valueOf(df.format((float)fileSize))+"B"; } if(fileSize>1024 && fileSize<1024*1024){ size = String.valueOf(df.format((float)fileSize/1024))+"KB"; } if(fileSize>1024*1024 && fileSize<1024*1024*1024){ size = String.valueOf(df.format((float)fileSize/1024/1024))+"MB"; } if(fileSize>1024*1024*1024){ size = String.valueOf(df.format((float)fileSize/1024/1024/1024))+"GB"; } return size; } // 取文件的类型 public String getFileType(String fileName){ String fName=null; fName = fileName.substring(fileName.lastIndexOf(".")+1, fileName.length()); return fName; } /** * 判断文件名是否相等 * @return * @throws BaseException */ public String checkFileIsSame() { try{ this.ajaxInit(); PrintWriter out = GetReqResObject.getResponse().getWriter(); String param = (GetReqResObject.getRequest().getParameter("param")); if(param!=null){ UploadFiles uf = new UploadFiles(); uf.setFilename(param); List fileList = this.uploadService.queryByName(uf); if(fileList!=null&&fileList.size()>0){ out.println("upload1"+","+"same"); }else{ out.println("upload2"+","); } } } catch (Exception e) { } return null; } //ajax初始化（通用） public void ajaxInit() throws IOException { GetReqResObject.getRequest().setCharacterEncoding("UTF-8"); GetReqResObject.getResponse().setCharacterEncoding("UTF-8"); GetReqResObject.getResponse().setContentType("text/xml"); GetReqResObject.getResponse().setHeader("pragma", "no-cache"); GetReqResObject.getResponse().setHeader("cache-control", "no-cache"); } public String[] getUploadContentType() { return uploadContentType; } public void setUploadContentType(String[] uploadContentType) { this.uploadContentType = uploadContentType; } public String[] getUploadFileName() { return uploadFileName; } public void setUploadFileName(String[] uploadFileName) { this.uploadFileName = uploadFileName; } public List<UploadFiles> getUploadFiles() { return uploadFiles; } public void setUploadFiles(List<UploadFiles> uploadFiles) { this.uploadFiles = uploadFiles; } public IUploadService getUploadService() { return uploadService; } public void setUploadService(IUploadService uploadService) { this.uploadService = uploadService; } public File[] getUpload() { return upload; } public void setUpload(File[] upload) { this.upload = upload; } public String getUploadSavePath() { return uploadSavePath; } public void setUploadSavePath(String uploadSavePath) { this.uploadSavePath = uploadSavePath; } }