鍦↗ava涓紝鍙互閫氳繃浠ヤ笅浠ｇ爜鏉ュ垽鏂璫ookie鏄惁瀛樺湪锛?/p>

import javax.servlet.http.Cookie;

public class CookieExample {
    public static void main(String[] args) {
        Cookie[] cookies = request.getCookies(); // 鑾峰彇褰撳墠璇锋眰鐨勬墍鏈塩ookie
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                if (cookie.getName().equals("cookieName")) { // 鍒ゆ柇cookie鐨勫悕绉版槸鍚︿负"cookieName"
                    // cookie瀛樺湪
                    System.out.println("Cookie exists");
                }
            }
        } else {
            // 娌℃湁cookie瀛樺湪
            System.out.println("No cookies");
        }
    }
}

涓婅堪浠ｇ爜涓紝棣栧厛閫氳繃request.getCookies()鏂规硶鑾峰彇褰撳墠璇锋眰鐨勬墍鏈塩ookie锛岀劧鍚庝娇鐢ㄤ竴涓惊鐜亶鍘嗘墍鏈夌殑cookie銆傞€氳繃cookie.getName()鏂规硶鍙互鑾峰彇cookie鐨勫悕绉帮紝濡傛灉鍚嶇О涓庢墍闇€鐨刢ookie鍚嶇О鐩稿悓锛屽垯琛ㄧずcookie瀛樺湪銆?/p>