WebRoot/llg/action/validateUserAction.jsp

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="com.accp.myShopping.llg.user.entity.*,
com.accp.myShopping.llg.user.dao.*"%>

<%
	request.setCharacterEncoding("utf-8") ;
	String uName=request.getParameter("uName");
	String uPass=request.getParameter("uPass");
	String state=request.getParameter("state");
	
	String type=request.getParameter("type");
	
	if(type!=null){
		session.removeAttribute("userInfo");
		out.println("<script> alert('恭喜 您已成功退出') ; history.go(-1);</script>");
		return;
	}
	
	if(state!=null){
		Cookie c=new Cookie("uName",uName);
		c.setMaxAge(36000);
		response.addCookie(c);
	}
	
	UserBean u= new UserDao().findUserByuNameAnduPass(uName,uPass);
	if(u==null){
		out.println("<script> alert('用户名或密码错误 ，请重新操作'); history.go(-1); </script>");
	}else{
		session.setAttribute("userInfo",u);
		out.println("<script> alert('登录成功'); history.go(-1); </script>");
	}
	
%>