loginservlet2.java

web项目的sso单点登录

package com.neusoft.apps;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
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.neusoft.sso.SsoLoginUtil;

public class LoginServlet2 extends HttpServlet { 

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	/**
	 * 登录模块的任务就一个，就是在context中建立一个与该用户对应的map
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		String html = null;
		String userName = request.getParameter("username");
		String pw = request.getParameter("pw");
		if("shanchao".equals(userName) && "shanchao".equals(pw)){//登录成功
			//处理session
			HttpSession session = request.getSession();
			session.setAttribute("username", userName);
			//处理自己的context
			SsoLoginUtil.createSso(request, userName);/////////
			html = "index.html";
		}else{//登录失败
			html = "login.html";
		}
		RequestDispatcher rd = request.getRequestDispatcher(html);
		rd.forward(request, response);
	}

}