loginaction.java

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package com.bookshop.web.action;

import java.io.IOException;

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

import com.bookshop.dao.UserDAO;
import com.bookshop.dto.User;


/**
 * @author ������
 *
 */
public class LoginAction {
	public void execute(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String name=request.getParameter("name");
		String pw=request.getParameter("password");
		
		UserDAO dao=new UserDAO();
		
		User user=dao.findUser(name,pw);
		
		if(user==null){
			request.setAttribute("error","<font color=red>用户名/密码不正确。请重新输入</font>");
			RequestDispatcher rd=request.getRequestDispatcher("/login.jsp");
			rd.forward(request,response);
			
		}
		else{
			HttpSession session=request.getSession();
			session.setAttribute("user",user);
			RequestDispatcher rd;
			System.out.println(user.getPrivilege());
			if(user.getPrivilege()==1){
				rd=request.getRequestDispatcher("/manager.html");
			}else{
				rd=request.getRequestDispatcher("/index.html");
			}
			rd.forward(request,response);
			
		}
		
		
	}
}