chat.java

这是一个极其好的聊天系统(java+jsp+servlet)

package chatroom;
import java.sql.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import java.io.*;

/**
 * Title:        JSP聊天室
 * Description:  Java语言演示程序：JSP聊天室，用于北京师范大学计算机系Java课程教学示范。
 * Copyright:    Copyright (c) 2002
 * Company:      北京师范大学计算中心
 * @author 张庆利
 * @version 1.0
 */

public class Chat extends HttpServlet {
    public void doGet(HttpServletRequest request,HttpServletResponse response)
        throws IOException, ServletException{
     response.setContentType("text/html;charset=gb2312");
     String thisMySpeaking=new String(request.getParameter("txtword").getBytes("ISO-8859-1"),"GB2312");
     String thisTargetUserId=request.getParameter("seluser");
     String thisColor=request.getParameter("selcolor");
     String thisFace=request.getParameter("selface");
     String selRe1=request.getParameter("selre1");
     String selRe2=request.getParameter("selre2");
     String thisRadprivate=request.getParameter("radprivate");
     if (thisRadprivate==null) thisRadprivate=new String("no");
     HttpSession session=request.getSession(true);
     oneUser thisUser=(oneUser)session.getAttribute("thisUser");
     String thisSourceUserId=thisUser.getUserId();
     String thisSourceUserName=thisUser.getUserName();
     int intChatroom=Integer.parseInt(thisUser.getUserPosion());
     ServletContext application=getServletContext();
     ChatRoom thischatroom=(ChatRoom)application.getAttribute("thischatroom");
     int retimeuser=Integer.parseInt(selRe2);
     int retimechat=Integer.parseInt(selRe1);
     thisUser.setRetimeUser(retimeuser,intChatroom);
     thisUser.setRetimeChat(retimechat,intChatroom);
     String thisTargetUserName=thischatroom.returnUserName(intChatroom,thisTargetUserId);
     thischatroom.addSpeaking(thisMySpeaking,thisSourceUserId,thisTargetUserId,thisSourceUserName,thisTargetUserName,thisFace,thisColor,thisRadprivate,intChatroom);
     getServletConfig().getServletContext().getRequestDispatcher("/mytest/jsp/onechat.jsp").forward(request,response);
  }
    public void doPost(HttpServletRequest request,HttpServletResponse response)
          throws IOException, ServletException{
      doGet(request, response);
  }
}