exitsysservlet.java

电子商城

package com.lmh.servlet.admin;

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.lmh.dao.vo.UserBean;
/**
 * 安全退出页面，释放session
 * @author Kenneth
 *
 */
public class ExitSysServlet 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
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String tag = request.getParameter("tag");

		HttpSession session = request.getSession();
		UserBean user = (UserBean) session.getAttribute("userBean");
		if (user != null) {
			session.invalidate();
		}
		RequestDispatcher rd = null;
		if (tag != null && tag.equals("Admin")) {
			rd = request.getRequestDispatcher("/font/adminLogin.jsp");
		} else if (tag != null && tag.equals("Font")) {
			rd = request.getRequestDispatcher("/font/show.jsp");
		}
		rd.forward(request, response);
	}

}