cookie的Struts2实现

Cookie c = new Cookie("username", username);
c.setMaxAge(60 * 60);
ServletActionContext.getResponse().addCookie(c);

<span class="tableChars">添加人:${cookie.username.value}</span>

package com.baitw.struts.action;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;

import com.baitw.dao.UserDao;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

/**
 * 
 * 管理员登陆
 * 
 * */

public class LoginAction extends ActionSupport{

	
	private String username;
	private String password;
	private String CheckingCode;
	
	public UserDao userDao;

	public String getCheckingCode() {
		return CheckingCode;
	}
	public void setCheckingCode(String checkingCode) {
		CheckingCode = checkingCode;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}
	@Override
	public String execute() throws Exception {
		// TODO Auto-generated method stub
		ActionContext ctx=ActionContext.getContext();
		if(!CheckingCode.equals(ctx.getSession().get("rand"))){
			ctx.put("Msg", "验证码有误！");
			return "error";
		}
		Cookie c = new Cookie("username", username);
		c.setMaxAge(60 * 60);
		ServletActionContext.getResponse().addCookie(c);
		return userDao.Login(username, password);
	}
}