mycookie.java

淘客在线客服管理系统（TaokeOCS V3.2）

package msg;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * <p>Title: 开发包</p>
 * <p>Description: Cookie操作</p>
 * <p>Copyright: </p>
 * <p>Company: </p>
 * <p>Created on 2007-10-13</p>
 * @authory  
 * @version 
 */
public class MyCookie {
 /**
  * 创建一个Cookie
  * @param response
  * @param key索引键值
  * @param value存储值
  * @param time有效时间，这里是秒
  */
 public static void createCookie(HttpServletResponse response,String key,String value,int time){
  Cookie cookie=new Cookie(key, value);
  cookie.setMaxAge(time); //存活期秒
  response.addCookie(cookie); 
 }
 /**
  * 删除一个Cookie
  * @param response
  * @param key索引键值
  */
 public static void deleteCookie(HttpServletResponse response,String key){
  Cookie cookie=new Cookie(key, null);
  cookie.setMaxAge(0); //存活期秒
  response.addCookie(cookie); 
 }
 /**
  * 读取一个Cookie
  * @param request
  * @param key索引键值
  * @return value存储值
  */
 public static String getCookie(HttpServletRequest request, String key) {
  Cookie cookies[] = request.getCookies();
  String r = null;
  for (int i = 0; i < cookies.length; i++) {
   if (cookies[i].getName().equals(key)){
    r = cookies[i].getValue();
    break;
   }
  }
  return r;
 }
}