• C#聚合数据 获取股票数据

    System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Net;
    using System.IO;
    using Xfrog.Net;
    using System.Diagnostics;
    using System.Web;
     
    //----------------------------------
    // 股票数据调用示例代码 － 聚合数据
    // 在线接口文档：http://www.juhe.cn/docs/21
    // 代码中JsonObject类下载地址:http://download.csdn.net/download/gcm3206021155665/7458439
    //----------------------------------
     
    namespace ConsoleAPI
    {
        class Program
        {
            static void Main(string[] args)
            {
                string appkey = "*******************"; //配置您申请的appkey
     
                 
                //1.沪深股市
                string url1 = "http://web.juhe.cn:8080/finance/stock/hs";
     
                var parameters1 = new Dictionary<string, string>();
     
                parameters1.Add("gid" , ""); //股票编号，上海股市以sh开头，深圳股市以sz开头如：sh601009
                parameters1.Add("key", appkey);//你申请的key
     
                string result1 = sendPost(url1, parameters1, "get");
     
                JsonObject newObj1 = new JsonObject(result1);
                String errorCode1 = newObj1["error_code"].Value;
     
                if (errorCode1 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj1);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj1["error_code"].Value+":"+newObj1["reason"].Value);
                }
     
     
                //2.香港股市
                string url2 = "http://web.juhe.cn:8080/finance/stock/hk";
     
                var parameters2 = new Dictionary<string, string>();
     
                parameters2.Add("num" , ""); //股票代码，如：00001 为“长江实业”股票代码
                parameters2.Add("key", appkey);//你申请的key
     
                string result2 = sendPost(url2, parameters2, "get");
     
                JsonObject newObj2 = new JsonObject(result2);
                String errorCode2 = newObj2["error_code"].Value;
     
                if (errorCode2 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj2);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj2["error_code"].Value+":"+newObj2["reason"].Value);
                }
     
     
                //3.美国股市
                string url3 = "http://web.juhe.cn:8080/finance/stock/usa";
     
                var parameters3 = new Dictionary<string, string>();
     
                parameters3.Add("gid" , ""); //股票代码，如：aapl 为“苹果公司”的股票代码
                parameters3.Add("key", appkey);//你申请的key
     
                string result3 = sendPost(url3, parameters3, "get");
     
                JsonObject newObj3 = new JsonObject(result3);
                String errorCode3 = newObj3["error_code"].Value;
     
                if (errorCode3 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj3);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj3["error_code"].Value+":"+newObj3["reason"].Value);
                }
     
     
                //4.香港股市列表
                string url4 = "http://web.juhe.cn:8080/finance/stock/hkall";
     
                var parameters4 = new Dictionary<string, string>();
     
                parameters4.Add("key", appkey);//你申请的key
                parameters4.Add("page" , ""); //第几页,每页20条数据,默认第1页
     
                string result4 = sendPost(url4, parameters4, "get");
     
                JsonObject newObj4 = new JsonObject(result4);
                String errorCode4 = newObj4["error_code"].Value;
     
                if (errorCode4 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj4);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj4["error_code"].Value+":"+newObj4["reason"].Value);
                }
     
     
                //5.美国股市列表
                string url5 = "http://web.juhe.cn:8080/finance/stock/usaall";
     
                var parameters5 = new Dictionary<string, string>();
     
                parameters5.Add("key", appkey);//你申请的key
                parameters5.Add("page" , ""); //第几页,每页20条数据,默认第1页
     
                string result5 = sendPost(url5, parameters5, "get");
     
                JsonObject newObj5 = new JsonObject(result5);
                String errorCode5 = newObj5["error_code"].Value;
     
                if (errorCode5 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj5);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj5["error_code"].Value+":"+newObj5["reason"].Value);
                }
     
     
                //6.深圳股市列表
                string url6 = "http://web.juhe.cn:8080/finance/stock/szall";
     
                var parameters6 = new Dictionary<string, string>();
     
                parameters6.Add("key", appkey);//你申请的key
                parameters6.Add("page" , ""); //第几页(每页20条数据),默认第1页
     
                string result6 = sendPost(url6, parameters6, "get");
     
                JsonObject newObj6 = new JsonObject(result6);
                String errorCode6 = newObj6["error_code"].Value;
     
                if (errorCode6 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj6);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj6["error_code"].Value+":"+newObj6["reason"].Value);
                }
     
     
                //7.沪股列表
                string url7 = "http://web.juhe.cn:8080/finance/stock/shall";
     
                var parameters7 = new Dictionary<string, string>();
     
                parameters7.Add("key", appkey);//你申请的key
                parameters7.Add("page" , ""); //第几页,每页20条数据,默认第1页
     
                string result7 = sendPost(url7, parameters7, "get");
     
                JsonObject newObj7 = new JsonObject(result7);
                String errorCode7 = newObj7["error_code"].Value;
     
                if (errorCode7 == "0")
                {
                    Debug.WriteLine("成功");
                    Debug.WriteLine(newObj7);
                }
                else
                {
                    //Debug.WriteLine("失败");
                    Debug.WriteLine(newObj7["error_code"].Value+":"+newObj7["reason"].Value);
                }
     
     
            }
     
            /// <summary>
            /// Http (GET/POST)
            /// </summary>
            /// <param name="url">请求URL</param>
            /// <param name="parameters">请求参数</param>
            /// <param name="method">请求方法</param>
            /// <returns>响应内容</returns>
            static string sendPost(string url, IDictionary<string, string> parameters, string method)
            {
                if (method.ToLower() == "post")
                {
                    HttpWebRequest req = null;
                    HttpWebResponse rsp = null;
                    System.IO.Stream reqStream = null;
                    try
                    {
                        req = (HttpWebRequest)WebRequest.Create(url);
                        req.Method = method;
                        req.KeepAlive = false;
                        req.ProtocolVersion = HttpVersion.Version10;
                        req.Timeout = 5000;
                        req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
                        byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8"));
                        reqStream = req.GetRequestStream();
                        reqStream.Write(postData, 0, postData.Length);
                        rsp = (HttpWebResponse)req.GetResponse();
                        Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet);
                        return GetResponseAsString(rsp, encoding);
                    }
                    catch (Exception ex)
                    {
                        return ex.Message;
                    }
                    finally
                    {
                        if (reqStream != null) reqStream.Close();
                        if (rsp != null) rsp.Close();
                    }
                }
                else
                {
                    //创建请求
                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "?" + BuildQuery(parameters, "utf8"));
     
                    //GET请求
                    request.Method = "GET";
                    request.ReadWriteTimeout = 5000;
                    request.ContentType = "text/html;charset=UTF-8";
                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                    Stream myResponseStream = response.GetResponseStream();
                    StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
     
                    //返回内容
                    string retString = myStreamReader.ReadToEnd();
                    return retString;
                }
            }
     
            /// <summary>
            /// 组装普通文本请求参数。
            /// </summary>
            /// <param name="parameters">Key-Value形式请求参数字典</param>
            /// <returns>URL编码后的请求数据</returns>
            static string BuildQuery(IDictionary<string, string> parameters, string encode)
            {
                StringBuilder postData = new StringBuilder();
                bool hasParam = false;
                IEnumerator<KeyValuePair<string, string>> dem = parameters.GetEnumerator();
                while (dem.MoveNext())
                {
                    string name = dem.Current.Key;
                    string value = dem.Current.Value;
                    // 忽略参数名或参数值为空的参数
                    if (!string.IsNullOrEmpty(name))//&& !string.IsNullOrEmpty(value)
                    {
                        if (hasParam)
                        {
                            postData.Append("&");
                        }
                        postData.Append(name);
                        postData.Append("=");
                        if (encode == "gb2312")
                        {
                            postData.Append(HttpUtility.UrlEncode(value, Encoding.GetEncoding("gb2312")));
                        }
                        else if (encode == "utf8")
                        {
                            postData.Append(HttpUtility.UrlEncode(value, Encoding.UTF8));
                        }
                        else
                        {
                            postData.Append(value);
                        }
                        hasParam = true;
                    }
                }
                return postData.ToString();
            }
     
            /// <summary>
            /// 把响应流转换为文本。
            /// </summary>
            /// <param name="rsp">响应流对象</param>
            /// <param name="encoding">编码方式</param>
            /// <returns>响应文本</returns>
            static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding)
            {
                System.IO.Stream stream = null;
                StreamReader reader = null;
                try
                {
                    // 以字符流的方式读取HTTP响应
                    stream = rsp.GetResponseStream();
                    reader = new StreamReader(stream, encoding);
                    return reader.ReadToEnd();
                }
                finally
                {
                    // 释放资源
                    if (reader != null) reader.Close();
                    if (stream != null) stream.Close();
                    if (rsp != null) rsp.Close();
                }
            }
        }
    }
    测试
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  • 原文地址：https://www.cnblogs.com/xiewenyu/p/7151621.html
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