loginservlet.java

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package com.csthit.store.servlet;

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

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

import com.csthit.store.dao.UserDAO;
import com.csthit.store.vo.User;

public class LoginServlet extends HttpServlet {

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

		this.doPost(request, response);
	}

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

		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		request.setCharacterEncoding("gb2312");
		String loginName = request.getParameter("loginName");
		String password = request.getParameter("password");
		User user = new User();
		user.setLoginName(loginName);
		user.setPassword(password);
		UserDAO userdao = new UserDAO();
		if(userdao.getValidate(user)) {
			RequestDispatcher rd = request.getRequestDispatcher("books.jsp");
			rd.forward(request, response);
			
		} else {
			response.sendRedirect("register.jsp");
		}
		
		
		
		
		
		
	}

}