emptycart.java

书店实现用struts实现的一个系统 采用mysql数据库

/**
 * 该Servlet用于清空购物车
 */
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class EmptyCart extends HttpServlet{
	public void doGet(HttpServletRequest request, HttpServletResponse response) 
	throws ServletException, IOException{
		HttpSession session=request.getSession();
		if(session.getAttribute("cartList")!=null){
			session.removeAttribute("cartList");
		}
		RequestDispatcher dispatcher = 
		                  request.getRequestDispatcher("/UserExit");		            
		dispatcher.forward(request, response); 
	}
}