userfileaction.java

基于J2EE的办公自动化系统。实现流程定义流程办理等。运用了hibernate+struts+spring框架综合运用的系统。

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.0/xslt/JavaClass.xsl

package com.oa.module.folder.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.upload.FormFile;

import com.oa.module.folder.bean.FileBean;
import com.oa.module.folder.bean.FolderBean;
import com.oa.module.folder.dao.FileDao;
import com.oa.module.folder.dao.FolderDao;
import com.oa.module.folder.form.FileForm;
import com.oa.module.office.user.Tuser;
import com.oa.util.PubUtil;

/**
 * MyEclipse Struts Creation date: 01-28-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/userFile" name="fileForm" parameter="method"
 *                scope="request" validate="true"
 */
public class UserFileAction extends DispatchAction {

	// --------------------------------------------------------- Instance
	// Variables
	private FileDao dao;

	private FolderDao folderdao;

	public FolderDao getFolderdao() {
		return folderdao;
	}

	public void setFolderdao(FolderDao folderdao) {
		this.folderdao = folderdao;
	}

	/**
	 * 进入文件夹
	 * 
	 * @param mppaing
	 * @param form
	 * @param request
	 * @param response
	 */
	public ActionForward enterForder(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		FileForm fileForm = (FileForm) form;

		String id = fileForm.getForderid();
		List list = dao.getFileListByForderId(id);
		
		HttpSession session = request.getSession();
		Tuser user = (Tuser)session.getAttribute("user");
		List forderList = folderdao.getUserFolder(user.getUno());
		
		request.setAttribute("myfileList", list);
		request.setAttribute("userforderList", forderList);
		
		return mapping.findForward("myfileList");
	}

	/**
	 * 上传文件
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward uploadfile(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		FileForm fileForm = (FileForm) form;

		FormFile formfile = fileForm.getFormfile();
		FileBean filebean = new FileBean();
		filebean.setForderid(fileForm.getForderid());
		boolean flag = false;
		int size = formfile.getFileSize();
		if ( size > 0) {
			 size = formfile.getFileSize();
			if(size > 5 * 1024 * 1024) {
				try {
					PrintWriter out = response.getWriter();
					out.print("<script>");
					out.print("alert('文件不能大于5M');");
					out.print("history.back();");
					out.print("</script>");
					return null;
				} catch (IOException e) {
					// TODO 自动生成 catch 块
					e.printStackTrace();
				}
				
			}
			filebean.setFilesize(size+"");
			FolderBean bean = folderdao.getForderByForderId(fileForm.getForderid());
						 
			String filename = formfile.getFileName();
			filebean.setFilename(filename);
			
			HttpSession session = request.getSession();
			Tuser user = (Tuser) session.getAttribute("user");

			String path = session.getServletContext().getRealPath("");
			path = path.replace('\\', '/');
			
			String filepath = "/forder/"+user.getUname() + "," + user.getUno()+ "/"+bean.getFordername();
			
			String realpath = path+filepath+"/"+filename;
			
			filebean.setRealpath(filepath);
			
			
			try {
				InputStream input = formfile.getInputStream();
				OutputStream output = new FileOutputStream(realpath);
				
				byte[] b = new byte[1024];
				int i = 0; 
				while(  (i=input.read(b, 0, b.length )) != -1 ){
					output.write(b, 0, i);
				}
				output.close();
				output.close();
				input.close();				
			} catch (FileNotFoundException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			} catch (IOException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			
			filebean.setAddtime(PubUtil.getNowDate());
			
			flag = dao.addFile(filebean);
			
		}else{
			PrintWriter out;
			try {
				out = response.getWriter();
				out.print("<script>");
				out.print("alert('文件不存在');");
				out.print("history.back();");
				out.print("</script>");
				return null;
			} catch (IOException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			
		}
		
		if(flag ==true){
			//成功
			request.setAttribute("task","addfilesuc");
			return mapping.findForward("suc");
		}else{
			request.setAttribute("task","addfileerror");
			return mapping.findForward("error");
		}
	}

	/**
	 * 删除文件
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward delfile(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		FileForm fileForm = (FileForm) form;
		
		String id = fileForm.getFileid();
		//获得数据以便删除文件
		FileBean bean = dao.getFileById(id);
		
		//从数据库删除
		boolean flag = dao.delFileById(id);
		
		String path = this.getServlet().getServletContext().getRealPath("");		
		path = path.replace('\\', '/');
		
		if(flag ==true){
			//成功				
			String systempath = bean.getRealpath();
			
			path += systempath;
			
			File file = new File(path+"/"+bean.getFilename());
			file.delete();			
			request.setAttribute("task","delfilesuc");
			return mapping.findForward("suc");
		}else{
			request.setAttribute("task","delfileerror");
			return mapping.findForward("error");
		}
	}
	
	/**
	 * 移动文件
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward moveto(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		FileForm fileForm = (FileForm) form;
		
		
		String forderid = fileForm.getForderid();
		String fileid = fileForm.getFileid();
		String movetofiledid = request.getParameter("movetofiledid");
		//要用到的地方
		FolderBean movetoforderbean = folderdao.getForderByForderId(movetofiledid);
		
		String path = this.getServlet().getServletContext().getRealPath(""); //d:webroot
		path = path.replace('\\','/');
		
		//原来的
		FolderBean forderbean = folderdao.getForderByForderId(forderid);
		FileBean filebean = dao.getFileById(fileid);
		
		String filename = filebean.getFilename();  //aa.txt
		String realname = forderbean.getFordername();  //asdf
		
		//旧文件路径
		 String oldfilepath = path+filebean.getRealpath()+"/"+filename;
		
		//新文件路径
		 HttpSession session = request.getSession();
		 Tuser user = (Tuser)session.getAttribute("user");
		 
		 String newfilepath = path+"/forder/"+user.getUname()+","+user.getUno()+"/"+movetoforderbean.getFordername()+"/"+filename;
		 System.out.println("newfilepath:"+newfilepath);
		 System.out.println("oldfilepath:"+oldfilepath);
		 
		 InputStream input = null;
		 OutputStream output = null;
		 boolean flag = false;
		 try {
			 
			 input = new FileInputStream(oldfilepath);			
			 output = new FileOutputStream(newfilepath);
			
			byte[] b = new byte[1024];
			int i = 0;
			 
			while( (i= input.read(b, 0 , b.length)) != -1){
				System.out.println(i);
				output.write(b, 0, i);
			}
			output.flush();			
			output.close();
			boolean t = false;
			try {
				File file = new File(oldfilepath);
				
				t=file.delete();
				System.out.println(t);	
			} catch (Exception e) {
				// TODO: handle exception
				e.printStackTrace();
			}
			
			
			
			//数据库操作
			filebean.setForderid(movetofiledid);
			filebean.setRealpath("/forder/"+user.getUname()+","+user.getUno()+"/"+movetoforderbean.getFordername()+"/"+filename);
			
			flag =dao.addFile(filebean);
			flag =dao.delFileById(fileid);
			
			
			
			
		} catch (FileNotFoundException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}finally{
			try {
				input.close();
				output.close();
			} catch (IOException e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			
		}
		 
				
		if(flag ==true){
			//成功
			request.setAttribute("task","movefilesuc");
			return mapping.findForward("suc");
		}else{
			request.setAttribute("task","movefileerror");
			return mapping.findForward("error");
		}
		
		
	}
	
	public FileDao getDao() {
		return dao;
	}

	public void setDao(FileDao dao) {
		this.dao = dao;
	}
	


}