struts实现任意多文件上传实例

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.yourcompany.struts.action; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.util.Hashtable; import java.util.Iterator; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.upload.FormFile; import com.yourcompany.struts.form.UpForm; /** * MyEclipse Struts * Creation date: 10-06-2008 * * XDoclet definition: * @struts.action path="/morefile" name="upForm" scope="request" validate="true" */ public class MorefileAction extends Action { /* * Generated Methods */ /** * Method execute * @param mapping * @param form * @param request * @param response * @return ActionForward */ public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { UpForm upForm = (UpForm) form; Hashtable fileh=upForm.getMultipartRequestHandler().getFileElements(); String username=upForm.getUsername(); String password=upForm.getPassword(); String filedir=upForm.getFiledir(); String path="d:\\"+filedir; File innerFile=new File(path); if(!innerFile.exists()){ if(innerFile.mkdir()){ System.out.println(filedir+"文件夹创建成功"); }else { System.out.println(filedir+"文件夹创建失败"); } } try{ for(Iterator it=fileh.keySet().iterator();it.hasNext();){ String key=(String)it.next(); FormFile formfile=(FormFile)fileh.get(key); InputStream is=formfile.getInputStream(); OutputStream os=new FileOutputStream(new File(path,formfile.getFileName())); byte[] buffer=new byte[1024*1024]; int length=0; while((length=is.read(buffer))>0){ os.write(buffer, 0, length); } is.close(); os.close(); } request.setAttribute("username", username); }catch(Exception e){ e.printStackTrace(); } return mapping.findForward("upEnd"); } }