从Header中获得信息

/// <summary>

/// 获得header信息

/// </summary>

/// <param name="response"></param>

private void GetHeader(HttpResponseMessage response)

{

    var headers = response.Headers.ToString().Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);

    Dictionary<string, string> dictionary = new Dictionary<string, string>();

    foreach (var header in headers)

    {

        //必须规定劈分两个，否则Set-Cookie会遗失数据

        string[] splitStr = header.Split(new char[] { ':' }, 2);

        var name = splitStr[0];

        var value = splitStr[1].Trim();

        dictionary.Add(name, value);

    }

    //HeaderData是自定义类对象，存储header信息

    headerData = new HeaderData();

    var cookiePairs = dictionary["Set-Cookie"];

    headerData.YourKeyword = GetValueByRegex(cookiePairs, "your keyword");

}

private static string GetValueByRegex(string cookieStr, string pattern)

{

    Regex regex = new Regex($"{pattern}=(\\S+);");

    Match match = regex.Match(cookieStr);

    var pair = match.Groups[0].Value;

    pair = pair.TrimEnd(';');

    string[] keyAndValue = pair.Split('=');

    string value = keyAndValue[1];

    return value;

}
巴特西

从Header中获得信息

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