一、什么是黄金价格查询接口？

提供当日实时黄金行情数据，如上交所，银行账户黄金，国际金价、金店价格等，获取最低价、最高价、卖价、昨日收盘价、开盘价、涨跌值、最新价格、时间、买价、涨跌幅等行情。

二、科技赋能下的黄金新价值

除了传统的金融与珠宝用途外，黄金在现代科技领域的应用也日益广泛：

电子工业：用于制造高性能芯片、电路板，因导电性好、抗腐蚀性强；
航天航空：用于卫星反射涂层、热控材料；
医疗领域：用于癌症治疗、牙科修复等；
建筑装饰：用于高端建筑表面镀层，兼具美观与耐久性。
黄金正从一种传统意义上的“贵金属”，逐步演变为支撑高科技发展的重要战略资源。

三、如何用C#进行调用？

接口地址：https://market.aliyun.com/apimarket/detail/cmapi00067356
//using System.IO;
//using System.Text;
//using System.Net;
//using System.Net.Security;
//using System.Security.Cryptography.X509Certificates;private const String host = "https://tsgold2.market.alicloudapi.com";private const String path = "/shgold";private const String method = "GET";private const String appcode = "你自己的AppCode";static void Main(string[] args){String querys = "";String bodys = "";String url = host + path;HttpWebRequest httpRequest = null;HttpWebResponse httpResponse = null;if (0 < querys.Length){url = url + "?" + querys;}if (host.Contains("https://")){ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);httpRequest = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));}else{httpRequest = (HttpWebRequest)WebRequest.Create(url);}httpRequest.Method = method;httpRequest.Headers.Add("Authorization", "APPCODE " + appcode);if (0 < bodys.Length){byte[] data = Encoding.UTF8.GetBytes(bodys);using (Stream stream = httpRequest.GetRequestStream()){stream.Write(data, 0, data.Length);}}try{httpResponse = (HttpWebResponse)httpRequest.GetResponse();}catch (WebException ex){httpResponse = (HttpWebResponse)ex.Response;}Console.WriteLine(httpResponse.StatusCode);Console.WriteLine(httpResponse.Method);Console.WriteLine(httpResponse.Headers);Stream st = httpResponse.GetResponseStream();StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8"));Console.WriteLine(reader.ReadToEnd());Console.WriteLine("\n");}public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors){return true;}