jsp读写cookies

写COOKIES：

Cookie myCookie=new Cookie("username",username);
//myCookie.setMaxAge(60*60); // 设置Cookie的存活时间为一小时
response.addCookie(myCookie); // 写入客户端硬盘

读cookies

Cookie[] cookies=request.getCookies();
String cookiename="";
if(cookies!=null)
{
for(int i=0;i<cookies.length;i++)
{
     if(cookies[i].getName().equals("username"))
     {
   cookiename=cookies[i].getValue();
   break;
     }
}
}

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