class_method.jsp

历史上最小的XMLHttp无刷新JSP聊天室

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ page import ="java.util.*" %>
<%!
	String msg,username;
%>
<%
	request.setCharacterEncoding("GBK");
	String action	=request.getParameter("action");
	if(action.equals("login")){
		username	=request.getParameter("username");
		msg="欢迎"+username+"光临本聊天室！";
		session.setAttribute("username",username);
		response.sendRedirect("main.html");
	}
	if(action.equals("sendMsg")){
		msg=(String)msg+"<br>"+session.getAttribute("username")+":"+(String)request.getParameter("msg");
		response.sendRedirect("inputMsg.jsp");
	}
	if(action.equals("showMsg")){
		out.println("loadContent.innerHTML=\""+msg+"\";");
	}
%>