保留代码 ,cookies控制类

 

public static class WriteCookies
{

    public static readonly string CookiesName = "GetCookiesCoolectName";

    /**//// <summary>
    /// 写独立cookie项目
    /// </summary>
    public static bool SetCookie(string CookiesName, string CookiesValue)
    {
        try
        {
            HttpContext.Current.Response.Cookies.Add(new HttpCookie(CookiesName, CookiesValue));
            return true;
        }
        catch
        {
            return false;
        }
    }

    /**//// <summary>
    /// 读独立cookie
    /// </summary>
    public static string GetCookie(string CookiesName)
    {
        return HttpContext.Current.Request.Cookies[CookiesName].Value;
    }


    /**//// <summary>
    /// 取得某个cookies集合的字段函数
    /// </summary>
    public static string GetCookies(string CookiesName)
    {
        HttpContext ht = HttpContext.Current;
        HttpCookie mytest = ht.Request.Cookies[CookiesName];
        if (ht.Request.Cookies[CookiesKey] == null)
            return null;
        else
            return mytest.Values[CookiesName].ToString();
    }


    /**//// <summary>
    /// 写cookies集合字段函数
    /// </summary>
    public static bool SetCookies(string CookiesName, string CookiesValue)
    {
        try
        {
            HttpContext ht = HttpContext.Current;
            HttpCookie mytest = ht.Request.Cookies[CookiesName];
            if (ht.Response.Cookies[CookiesKey].HasKeys)
            {
                bool ishave = false;
                foreach (string name in mytest.Values.AllKeys)
                {
                    if (name == CookiesName)
                    {
                        mytest.Values[CookiesName] = CookiesValue;
                        ishave = true;
                        break;
                    }
                }
                if (!ishave)
                    mytest.Values.Add(CookiesName, CookiesValue);
                ht.Response.AppendCookie(mytest);

            }
            else
            {
                ht.Response.Cookies[CookiesKey].Values.Add(CookiesName, CookiesValue);
                ht.Response.AppendCookie(ht.Response.Cookies[CookiesKey]);
            }
            return true;
        }
        catch
        {
            return false;
        }
    }


}

 下面是js 代码

   
   //获得默认城市的ID，要是没有cookies那么获取头中的id，在写cookies
   function GetDefaultCityID()
   {    
        var domain=escape(document.domain);
        var DefaultCityId = "UnionDefaultCityIdShow";
        var CityIdValue =GetCookie(DefaultCityId); 
        if(CityIdValue==null||CityIdValue=="")
        {   
            try
            {
                CityIdValue = wwwUnion58ComDefaultCityId;
            }
            catch(e)
            {
                CityIdValue = 1;
            }   
            var DefaultCityId = "UnionDefaultCityIdShow";
            setCookie(DefaultCityId,CityIdValue,"","",domain,"");
            setCookie("wwwUnion58ComDefaultCityName","北京","","",domain,"");    
        }
        return CityIdValue;
   }
   
   //获得默认城市名称，没有返回默认的北京
   function GetDefaultCityName()
   {    
        var domain=escape(document.domain);
        var DefaultCityId = "wwwUnion58ComDefaultCityName";
        var CityIdValue =GetCookie(DefaultCityId); 
        if(CityIdValue==null||CityIdValue=="")
        {   
            try
            {
                CityIdValue = wwwUnion58ComDefaultCityName;
            }
            catch(e)
            {
                CityIdValue ="北京";
            }   
            //setCookie("wwwUnion58ComDefaultCityName","北京","","",domain,"");    
        }
        return CityIdValue;
   }
   
   //更改默认城市id
   function SetDefaultCityID(CityIdValue,domain)
   {    
        var DefaultCityId = "UnionDefaultCityIdShow";
        setCookie('UnionDefaultCityIdShow',CityIdValue,'','',domain,'');
        //setCookie('UnionDefaultCityIdShow',CityIdValue,'Fl','',domain,'');
   } 
   //更改默认城市名称
   function SetDefaultCityName(CityNameValue,domain)
   {    
        var DefaultCityId = "wwwUnion58ComDefaultCityName";
        setCookie('wwwUnion58ComDefaultCityName',CityNameValue,'','',domain,'');
   } 
   
   function setunionCookie(name, value, domain)
   {
        setCookie(name,value,'','',domain,'');
   }
    
    //**********************************************************************************************//
    
    
    //获得某个cookies数值的函数
    function GetCookie(CookiesName)//参数是cookies的名字
    {
        var aCookie = document.cookie.split("; ");//分数组    
        for (var i=0; i < aCookie.length; i++)
        {
            var aCrumb = aCookie[i].split("=");
            if (CookiesName == aCrumb[0]) //检测名字
            {
                return unescape(aCrumb[1]);//得到这个名字的cookies的数值
                break;        
            }
        }
        return "";
    }
    
    function WriteCookie(name, value)
    {
        document.cookie = name + "=" + escape(value)+";expires=;path=;domain=webunion.58.com;secure=;";
        /**//*
        document.cookie = name + "=" + escape(value) +
            ((expires) ? "; expires=" + expires : "") +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            ((secure) ? "; secure" : ""); */
    }
    
    function GetCookie_265(name) 
    { 
        var arg = name + "="; 
        var alen = arg.length; 
        var clen = document.cookie.length; 
        var i = 0; 
        while (i < clen) 
        { 
            var j = i + alen; 
            if (document.cookie.substring(i, j) == arg) 
                return getCookieVal_265 (j); 
            i = document.cookie.indexOf(" ", i) + 1; 
            if (i == 0) break; 
        } 
        return null;
    }
    
    
      
    // utility function to retrieve an expiration data in proper format;
    function getExpDate(days, hours, minutes)
    {
        var expDate = new Date();
        if(typeof(days) == "number" && typeof(hours) == "number" && typeof(hours) == "number")
        {
            expDate.setDate(expDate.getDate() + parseInt(days));
            expDate.setHours(expDate.getHours() + parseInt(hours));
            expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
            return expDate.toGMTString();
        }
    }

    //utility function called by getCookie()
    function getCookieVal(offset)
    {
        var endstr = document.cookie.indexOf(";", offset);
        if(endstr == -1)
        {
            endstr = document.cookie.length;
        }
        return unescape(document.cookie.substring(offset, endstr));
    }

    // primary function to retrieve cookie by name
    function getCookie(name)
    {
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while(i < clen)
        {
            var j = i + alen;
            if (document.cookie.substring(i, j) == arg)
            {
                return getCookieVal(j);
            }
            i = document.cookie.indexOf(" ", i) + 1;
            if(i == 0) break;
        }
        return;
    }

    // store cookie value with optional details as needed
    function setCookie(name, value, expires, path, domain, secure)
    {
        document.cookie = name + "=" + escape(value) +
            ((expires) ? "; expires=" + expires : "") +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            ((secure) ? "; secure" : "");
    }

    // remove the cookie by setting ancient expiration date
    function deleteCookie(name,path,domain) 
    {
        if(getCookie(name))
        {
            document.cookie = name + "=" +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT";
        }
    }