写关于接口签名的对接

写关于接口签名的对接

    public class Starter{private static void Main(string[] args){var client = new RestClient("https://*****");var resp =  client.GetAccessToken("DD", "20250201");Console.WriteLine(resp);Console.ReadKey();}}public class SignParam{public string nonce { get; set; }public long timestamp { get; set; }public string sign { get; set; }public string keywords { get; set; }}public static class ResetClientExtension{public static string GetAccessToken(this IRestClient client,string FromType, string keywords){var url = "****";if (FromType=="DD"){url = "/open/v1/kis/business";}
            //获取随机32个字符串var nonce = Guid.NewGuid().ToString().Replace("-", "");
            //获取当前的时间戳var timestamp = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds);var request = new RestRequest(url, Method.Post);request.AddHeader("Content-Type", "application/json");var sb = new StringBuilder();if (FromType=="KH"){if (!string.IsNullOrWhiteSpace(keywords))sb.Append($"keywords={keywords}&nonce={nonce}");elsesb.Append($"nonce={nonce}");}else if (FromType == "DD"){sb.Append($"nonce={nonce}&queryDay={keywords}");}sb.Append($"&timestamp={timestamp}");sb.Append("&signKey=E5VehnFxVkUTgTyTBuUB08orlvmduq1F");//根据属性名称ASCII码排序，空值不参与签名;并且md5加密var sign = string.Join("", MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(sb.ToString())).Select(x => x.ToString("x2")));var body = JsonConvert.SerializeObject(new SignParam{nonce = nonce,timestamp = timestamp,sign = sign,keywords = keywords});request.AddParameter("application/json", body, ParameterType.RequestBody);var resp = client.Execute(request);return resp.Content;}}