src/com/office/action/FileAction.java

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package com.office.action;

import java.sql.ResultSet;
import java.util.Date;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.office.actionform.FileForm;
import com.office.actionform.LogonForm;
import com.office.dao.Content;
import com.office.dao.DB;
import com.office.tools.Change;
import com.office.tools.CheckUserAble;

public class FileAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response){
		HttpSession session=request.getSession();
		LogonForm logonuser=(LogonForm)session.getAttribute("logonuser");
		 if(logonuser==null){
			 ActionErrors errors=new ActionErrors();
			 errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("office.logon.notallow"));
			 saveErrors(request,errors);
			 return mapping.findForward("notallowlogon");
		 }
		
		String mark=mapping.getParameter();
		ActionForward forward=new ActionForward();
		if(mark.equals("file_look"))
			forward=executeFileLook(mapping,form,request,response);
		if(mark.equals("file_download"))
			forward=executeFileDownLoad(mapping,form,request,response);
		if(mark.equals("file_up"))
			forward=executeFileUp(mapping,form,request,response);
		if(mark.equals("file_del"))
			forward=executeFileDel(mapping,form,request,response);
	    return forward;
	}
	
	public ActionForward executeFileLook(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response){
		HttpSession session=request.getSession();
		session.setAttribute("selectmenu1", "file");
		session.setAttribute("selectmenu2", "file_look");
	    String sql="select * from "+Content.TB_FILE;
	   
	    String str_currentpage=request.getParameter("page");