功能:cookie的添加、删除、获取值 1 import java.io.UnsupportedEncodingException; 2 import java.net.URLDecoder; 3 4 import javax.servlet.http.Cookie; 5 im ...
功能:cookie的添加、删除、获取值
1 import java.io.UnsupportedEncodingException; 2 import java.net.URLDecoder; 3 4 import javax.servlet.http.Cookie; 5 import javax.servlet.http.HttpServletRequest; 6 import javax.servlet.http.HttpServletResponse; 7 8 /** 9 * 常用cookie处理方法工具类10 */11 public class CookieUtil {12 13 /**14 * 添加cookie15 * @param response16 * @param key cookie主键17 * @param value cookie值18 */19 public static void addCookie(HttpServletResponse response, String key, String value){20 Cookie cookie = new Cookie(key, value);21 cookie.setPath("/");// 这个要设置 22 cookie.setMaxAge(60*60*24*30);//保留一个月 以秒为单位 23 response.addCookie(cookie);24 }25 26 /**27 * 删除cookie28 * @param request29 * @param response30 * @param key cookie主键31 */32 public static void deleteCookie(HttpServletRequest request, HttpServletResponse response, String key){33 Cookie cookies[] = request.getCookies(); 34 if (cookies != null) { 35 for (int i = 0; i < cookies.length; i++) { 36 if (cookies[i].getName().equals(key)) { 37 Cookie cookie = new Cookie(key,null);38 cookie.setPath("/");//设置成跟写入cookies一样的 39 cookie.setMaxAge(0); 40 response.addCookie(cookie); 41 } 42 } 43 } 44 }45 46 /**47 * 取得cookie的值48 * @param request49 * @param key cookie主键50 */51 public static String getCookieValue(HttpServletRequest request, String key) throws UnsupportedEncodingException{52 for(Cookie cookie : request.getCookies()){53 if (cookie.getName().equals(key)) { 54 return URLDecoder.decode(cookie.getValue(), "UTF-8"); 55 } 56 }57 return null;58 }59 }
原标题:常用cookie处理方法工具类
关键词:ie
*特别声明:以上内容来自于网络收集,著作权属原作者所有,如有侵权,请联系我们:
admin#shaoqun.com
(#换成@)。