cinbox.java

Jsp做的网络邮件管理系统

package webMail.controller;

import java.util.*;
import webMail.*;
import webMail.module.*;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class for Servlet: CInbox   
 *
 */
 public class CInbox extends javax.servlet.http.HttpServlet  implements javax.servlet.Servlet {
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public CInbox() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request,response);
	}
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
	{
		// TODO Auto-generated method stub
		
        // 设置提交表单的中文编码
        request.setCharacterEncoding("GBK");
        
        HttpSession mySession = request.getSession(true);
        
        // 清空错误消息
        mySession.setAttribute("errMsg","");
        
        // 是否非法进入本页面
        if ( mySession.getAttribute("username") == null )
        {
            response.sendRedirect("../VWebMail.jsp");
            return;
        }
        // 是否进入默认页面
        if ( !request.getParameterNames().hasMoreElements() )
        {
            //设置session中的页面值域
            mySession.setAttribute(CommonConst.VIEWID_INBOXLIST, new Hashtable() );
            //取得最新邮件
            MInbox mInbox = new MInbox();
            boolean bGetResult = mInbox.getNewesMail( mySession );
            //mySession.setAttribute("curPage","CInbox");
            response.sendRedirect("../VInbox.jsp");
            return;
            
        }
        
        //得到用户输入信息
        String sMailIndex = request.getParameter("mailIndex");
        String sMailOption = request.getParameter("mailOption");
        
        //如果用户是提交表单
        if ( sMailIndex != null && sMailIndex.length() > 0 )
        {
            //设置session中的详细页面值域
            mySession.setAttribute(CommonConst.VIEWID_INBOXDETAIL, new Hashtable() );
            //获得对应的邮件信息
            MInbox mInbox = new MInbox();
            boolean bGetResult = mInbox.getDetailMail( mySession, sMailIndex );
            
            if ( bGetResult )
            {
                response.sendRedirect("../VInboxDetail.jsp");
            }
            else
            {
                response.sendRedirect("../VInbox.jsp");
            }
        }
        //如果用户是从详细页面迁移过来的
        else if ( sMailOption != null && sMailOption.length() > 0 )
        {
            String sSender = request.getParameter("sender");
            String sSendTime = request.getParameter("sendTime");
            String sSubject = request.getParameter("subject");
            String sContent = request.getParameter("content");
            //删除邮件
            if ( sMailOption.equals("delete") )
            {
                MInbox mInbox = new MInbox();
                boolean bDeleteResult = mInbox.deleteMail( mySession, sSender, sSendTime );
                mInbox.getNewesMail( mySession );
                response.sendRedirect("../VInbox.jsp");
                return;
            }
            //回复邮件
            else if ( sMailOption.equals("reply") )
            {
                //设置session中的写邮件页面值域
                mySession.setAttribute(CommonConst.VIEWID_SENDBOXDETAIL, new Hashtable() );
                MInbox mInbox = new MInbox();
                boolean bReplyResult = mInbox.replyMail( mySession, sSender, sSubject, sContent );
                mySession.setAttribute("curPage","CComposite");
                response.sendRedirect("../VComposite.jsp");
                return;
            }
        }
        //如果用户非法进入这个页面
        else
        {
            response.sendRedirect("../VWebMail.jsp");
        }
	}   	  	    
}