?? chatroomlogindo.java
字號:
package com.lovo.servlet;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.lovo.po.UserPO;
public class ChatroomLoginDO extends HttpServlet{
private static final long serialVersionUID = -7459877701820700595L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
HttpSession session=request.getSession();
ServletContext application=this.getServletContext();
String loginChatroomUser=((UserPO)session.getAttribute("user")).getName();
String chatroomName=request.getParameter("chatroomName");
session.setAttribute("chatroomName", chatroomName);
List<String> loginChatroomUserList=(List<String>)application.getAttribute(chatroomName+"loginChatroomUserList");
if(loginChatroomUserList==null){
loginChatroomUserList=new ArrayList<String>();
application.setAttribute(chatroomName+"loginChatroomUserList", loginChatroomUserList);
}
if(loginChatroomUserList.indexOf(loginChatroomUser)==-1){
loginChatroomUserList.add(loginChatroomUser);
}
response.sendRedirect("web/jsp/chatroom.jsp");
}
}
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