// 獲取request裡面的cookie cookie裡面存值方式也是 鍵值對的方式 
Cookie[] cookie = request.getCookies();
for (int i = 0; i < cookie.length; i++) {
Cookie cook = cookie[i];
if(cook.getName().equalsIgnoreCase("eredg4.login.account")){ //獲取鍵 
System.out.println("account:"+cook.getValue().toString());    //獲取值 
}
}