logoutservlet.java

购物车 可以保存客户选择的商品 可以保存多个商品

package www.mary.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LogoutServlet extends HttpServlet {

	public LogoutServlet() {
	
	}

	
	public void destroy() {
	
	}


	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
	    HttpSession session=request.getSession(true);
	    session.removeAttribute("username");
	    session.removeAttribute("password");
	    session.removeAttribute("cart");
	    response.sendRedirect("./index.jsp");
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		this.doGet(request,response);
	}

	
	public void init() throws ServletException {
		// Put your code here
	}

}