cookie1

public class CookieDeal {

public CookieDeal() {
}

//获取cookie中   key：name的值
public static Object getValueByName(HttpServletRequest request,String name)
{
Cookie[] cookies = request.getCookies();  // 获取浏览器中的Cookie 
  if(null != cookies)
  {    
      for(int i=0;i<cookies.length;i++)
      { 
         Cookie cookie = cookies[i]; 
         if(name.equalsIgnoreCase(cookie.getName()))
         {   
        return cookie.getValue();
         }    
      }     
} 
  return null;
}

//设置cookie值   key：value模式
public static void setValue(HttpServletRequest request,String name,String value)
{
Cookie[] cookies = request.getCookies();
getValueByName(request, name);
if(null != cookies)
  {    
      for(int i=0;i<cookies.length;i++)
      { 
         Cookie cookie = cookies[i]; 
         if(name.equalsIgnoreCase(cookie.getName()))
         {   
        cookie.setValue(value);
         }    
      }     
}
}
/** 
     * 添加cookie 
     * @param response  
     * @param name 名称 
     * @param value 值 
     * @param maxAge 保存时间 /s 
     */ 
public void addCookie(HttpServletResponse response, String name, String value, int maxAge)
{  
         Cookie cookie = new Cookie(name, value);  
         //      cookie.setPath("/");  
         if (maxAge > 0)
         {  
             cookie.setMaxAge(maxAge);  
         }  
         response.addCookie(cookie);  
}
}