C#解析Cookie字符串为CookieCollection

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public static CookieCollection GetAllCookiesFromHeader(string strHeader, string strHost)    {        ArrayList al = new ArrayList();        CookieCollection cc = new CookieCollection();        if (strHeader != string.Empty)        {            al = ConvertCookieHeaderToArrayList(strHeader);            cc = ConvertCookieArraysToCookieCollection(al, strHost);        }        return cc;    }    private static ArrayList ConvertCookieHeaderToArrayList(string strCookHeader)    {        strCookHeader = strCookHeader.Replace("\r", "");        strCookHeader = strCookHeader.Replace("\n", "");        string[] strCookTemp = strCookHeader.Split(',');        ArrayList al = new ArrayList();        int i = 0;        int n = strCookTemp.Length;        while (i < n)        {            if (strCookTemp[i].IndexOf("expires=", StringComparison.OrdinalIgnoreCase) > 0)            {                al.Add(strCookTemp[i] + "," + strCookTemp[i + 1]);                i = i + 1;            }            else            {                al.Add(strCookTemp[i]);            }            i = i + 1;        }        return al;    }    private static CookieCollection ConvertCookieArraysToCookieCollection(ArrayList al, string strHost)    {        CookieCollection cc = new CookieCollection();        int alcount = al.Count;        string strEachCook;        string[] strEachCookParts;        for (int i = 0; i < alcount; i++)        {            strEachCook = al[i].ToString();            strEachCookParts = strEachCook.Split(';');            int intEachCookPartsCount = strEachCookParts.Length;            string strCNameAndCValue = string.Empty;            string strPNameAndPValue = string.Empty;            string strDNameAndDValue = string.Empty;            string[] NameValuePairTemp;            Cookie cookTemp = new Cookie();            for (int j = 0; j < intEachCookPartsCount; j++)            {                if (j == 0)                {                    strCNameAndCValue = strEachCookParts[j];                    if (strCNameAndCValue != string.Empty)                    {                        int firstEqual = strCNameAndCValue.IndexOf("=");                        string firstName = strCNameAndCValue.Substring(0, firstEqual);                        string allValue = strCNameAndCValue.Substring(firstEqual + 1, strCNameAndCValue.Length - (firstEqual + 1));                        cookTemp.Name = firstName;                        cookTemp.Value = allValue;                    }                    continue;                }                if (strEachCookParts[j].IndexOf("path", StringComparison.OrdinalIgnoreCase) >= 0)                {                    strPNameAndPValue = strEachCookParts[j];                    if (strPNameAndPValue != string.Empty)                    {                        NameValuePairTemp = strPNameAndPValue.Split('=');                        if (NameValuePairTemp[1] != string.Empty)                        {                            cookTemp.Path = NameValuePairTemp[1];                        }                        else                        {                            cookTemp.Path = "/";                        }                    }                    continue;                }                if (strEachCookParts[j].IndexOf("domain", StringComparison.OrdinalIgnoreCase) >= 0)                {                    strPNameAndPValue = strEachCookParts[j];                    if (strPNameAndPValue != string.Empty)                    {                        NameValuePairTemp = strPNameAndPValue.Split('=');                        if (NameValuePairTemp[1] != string.Empty)                        {                            cookTemp.Domain = NameValuePairTemp[1];                        }                        else                        {                            cookTemp.Domain = strHost;                        }                    }                    continue;                }                                }            if (cookTemp.Path == string.Empty)            {                cookTemp.Path = "/";            }            if (cookTemp.Domain == string.Empty)            {                cookTemp.Domain = strHost;            }            cc.Add(cookTemp);        }        return cc;    }
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