loginservlet.java

网上书城源代码~~在学习JAVA的时候做的

package com.briup.servlet;

import java.io.IOException;
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.briup.bean.Customer;
import com.briup.common.BeanFactory;
import com.briup.common.exception.CustomerServiceException;
import com.briup.service.ICustomerService;

@SuppressWarnings("serial")
public class LoginServlet extends HttpServlet {
	private ICustomerService customerService;
	public void init(){
		customerService=(ICustomerService) BeanFactory.getBean(BeanFactory.CUSTOMERSERVICE);
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String name=request.getParameter("name");
		String password=request.getParameter("password");
		Customer customer=null;
		try {
			customer=customerService.login(name, password);
			HttpSession session=request.getSession();
			session.setAttribute("customer", customer);
			response.sendRedirect(request.getContextPath()+"/listBookStore.jsp");
		} catch (CustomerServiceException e) {
			e.printStackTrace();
			request.setAttribute("error", e.getMessage());
			request.getRequestDispatcher("/login.jsp").forward(request, response);
		}
	}

}