/// <summary>

/// 调用微吼直播API

/// </summary>

/// <param name="appKey"></param>

/// <param name="secrectKey"></param>

/// <param name="url">接口地址</param>

/// <param name="paramJson">Json格式的参数(公共参数+接口参数)</param>

/// <returns></returns>

public string GetLiveList(string appKey,string secrectKey,string url,string paramJson)

{

    //unix时间戳

    DateTime dt = new DateTime(, , , , , , DateTimeKind.Utc);

    int time = (int)(DateTime.Now.AddHours(-) - dt).TotalSeconds;

    string Timestamp = time.ToString();

    //对参数KEY进行升序排序

    paramJson = StortJson(paramJson);

    //把Json字符串转换成Dictionary对象

    var objJson = JsonConvert.DeserializeObject<Dictionary<string, object>>(paramJson);

    //签名字符串

    string sign = secrectKey;

    foreach (var temp in objJson)

    {

        sign += temp.Key + temp.Value;

    }

    sign += secrectKey;

    //对签名字符串进行MD5加密

    var signMD5 = FormsAuthentication.HashPasswordForStoringInConfigFile(sign, "MD5");

    //把MD5密文转换成全小写(加密出来的MD5是大写，调用微吼API接口需要小写)

    signMD5 = signMD5.ToLower();

    //把签名放进Dictionary对象

    objJson.Add("sign", signMD5);

    //请求参数

    string completeUrl = string.Empty;

    foreach (var temp in objJson)

    {

        completeUrl += temp.Key + "=" + temp.Value + "&";

    }

    completeUrl = completeUrl.Substring(, completeUrl.Length - );

    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

    request.Method = "POST";

    request.ContentType = "application/x-www-form-urlencoded";

    request.ProtocolVersion = HttpVersion.Version10;

    byte[] data = Encoding.UTF8.GetBytes(completeUrl);

    request.ContentLength = data.Length;

    Stream newStream = request.GetRequestStream();

    newStream.Write(data, , data.Length);

    newStream.Close();

    HttpWebResponse response = null;

    int httpStatus = ;

    string content;

    try

    {

        response = (HttpWebResponse)request.GetResponse();

        httpStatus = (int)response.StatusCode;

        StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

        content = reader.ReadToEnd();

    }

    catch (WebException e)

    {

        response = (HttpWebResponse)e.Response;

        httpStatus = (int)response.StatusCode;

        using (Stream errData = response.GetResponseStream())

        {

            using (StreamReader reader = new StreamReader(errData))

            {

                content = reader.ReadToEnd();

            }

        }

    }

    return content;

}

/// <summary>

/// 对json字符串进行排序

/// </summary>

/// <param name="json"></param>

/// <returns></returns>

public static string StortJson(string json)

{

    var dic = JsonConvert.DeserializeObject<SortedDictionary<string, object>>(json);

    SortedDictionary<string, object> keyValues = new SortedDictionary<string, object>(dic);

    keyValues.OrderBy(m => m.Value);//升序

    //keyValues.OrderByDescending(m => m.Key);//降序

    return JsonConvert.SerializeObject(keyValues);

}