package com.action;

import java.sql.Connection;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.struts2.interceptor.ServletRequestAware;

import com.opensymphony.xwork2.ActionSupport;
import com.dao.UserDao;
import com.model.User;
import com.util.DbUtil;
import com.util.StringUtil;

public class LoginAction extends ActionSupport implements ServletRequestAware{
/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
private User user;
private String error;
private String imageCode;
public User getUser() {
	return user;
}

public void setUser(User user) {
	this.user = user;
}

public String getError() {
	return error;
}

public void setError(String error) {
	this.error = error;
}


public String getImageCode() {
	return imageCode;
}

public void setImageCode(String imageCode) {
	this.imageCode = imageCode;
}
DbUtil dbUtil=new DbUtil();
UserDao userDao=new UserDao();
HttpServletRequest request;
public String execute(){
	HttpSession session=request.getSession();
	if(StringUtil.isEmpty(user.getUserName())||StringUtil.isEmpty(user.getPassword())){
		error="用户名或密码不能为空";
		return ERROR;
	}
	if(StringUtil.isEmpty(imageCode)){
		error="请输入验证码";
		return ERROR;
	}
	if(!imageCode.equals(session.getAttribute("sRand"))){
		error="验证码错误";
		return ERROR;
	}
	Connection con=null;
	try {
		con =dbUtil.getCon();
		User currentUser=userDao.login(con, user);
		if(currentUser==null){
			error="用户不存在";
			return ERROR;
		}else{
			session.setAttribute("currentUser", currentUser);
			return SUCCESS;
		}
	} catch (Exception e) {

		e.printStackTrace();
	}finally{
		try {
			dbUtil.closeCon(con);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
	return SUCCESS;


}
public String logout() throws Exception {
	//获取session
	HttpSession session=request.getSession();
	session.removeAttribute("currentUser");
	return "logout";
}
@Override
public void setServletRequest(HttpServletRequest request) {

	this.request=request;
}
}