353 lines
13 KiB
C#
353 lines
13 KiB
C#
using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Http;
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using System.Security.Cryptography;
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using System.Text;
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namespace WX.CRM.Common.StockHelper
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{
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public class ApiSignHelper
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{
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public ApiSignHelper(string username, string secret)
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{
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UserName = username;
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Secret = secret;
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}
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/// <summary>
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/// Get方法访问API
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/// </summary>
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/// <param name="param"></param>
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/// <returns></returns>
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public ApiResult<T> GetApi<T>(string url, Dictionary<string, object> param)
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{
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try
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{
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//拼接验证头
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Dictionary<string, string> header = new Dictionary<string, string>();
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var timestamps = GetTimeStamp();
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var sign = GetSign(param, timestamps);
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var authorization = $"{UserName}:{sign}";
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header.Add("authorization", authorization);
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header.Add("timestamps", timestamps);
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//请求
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var req = HttClientGet(url, param, header);
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//LogHelper.Info("alipay:" + req);
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//返回
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var reqInfo = JsonConvert.DeserializeObject<ApiResult<T>>(req);
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if (reqInfo == null)
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{
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return new ApiResult<T> { Code = 501, Message = "数据为空" };
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}
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return reqInfo;
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}
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catch (Exception ex)
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{
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return new ApiResult<T> { Code = 501, Message = ex.Message };
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}
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}
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#region 内部参数
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private string UserName { get; set; }
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private string Secret { get; set; }
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//DG_SOFTWARE
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//private string IdentityKey { get; set; }
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#endregion
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#region 内部方法
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/// <summary>
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/// 内置请求
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/// </summary>
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/// <param name=""></param>
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/// <returns></returns>
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private string HttClientGet(string url, Dictionary<string, object> param, Dictionary<string, string> header)
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{
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try
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{
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var urlParam = string.Join("&", param.Select(m => m.Key + "=" + m.Value));
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if (url.IndexOf('?') > -1)
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{
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url = url + urlParam;
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}
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else
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{
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url = (url + "?" + urlParam);
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}
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//MethodInfo priMethod = webReq.Headers.GetType().GetMethod("AddWithoutValidate", BindingFlags.Instance | BindingFlags.NonPublic);
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//priMethod.Invoke(webReq.Headers, new[] { "Date", timestamps });
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HttpRequestMessage httpRequestMessage = new HttpRequestMessage();
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httpRequestMessage.RequestUri = new Uri(url);
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httpRequestMessage.Method = HttpMethod.Get;
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foreach (var item in header)
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{
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httpRequestMessage.Headers.TryAddWithoutValidation(item.Key, item.Value);
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}
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//HttpContent httpContent = new StringContent("");
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//httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
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//httpRequestMessage.Content = httpContent;
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var result = Send(httpRequestMessage);
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return result;
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}
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catch (Exception E)
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{
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throw E;
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}
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}
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/// <summary>
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/// post方法访问api
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="url"></param>
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/// <param name="param"></param>
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/// <returns></returns>
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public ApiResult<T> PostApi<T>(string url, Dictionary<string, object> param)
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{
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try
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{
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//拼接验证头
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Dictionary<string, string> header = new Dictionary<string, string>();
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var timestamps = GetTimeStamp();
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var sign = GetSign(param, timestamps);
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var authorization = $"{UserName}:{sign}";
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header.Add("authorization", authorization);
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header.Add("timestamps", timestamps);
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//请求
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var req = Post(url, param, header);
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//LogHelper.Info("alipay:" + req);
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//返回
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var reqInfo = JsonConvert.DeserializeObject<ApiResult<T>>(req);
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if (reqInfo == null)
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{
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return new ApiResult<T> { Code = 501, Message = "数据为空" };
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}
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return reqInfo;
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}
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catch (Exception ex)
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{
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return new ApiResult<T> { Code = 501, Message = ex.Message };
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}
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}
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/// <summary>
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/// 内置请求
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/// </summary>
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/// <param name=""></param>
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/// <returns></returns>
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private string Post(string url, Dictionary<string, object> param, Dictionary<string, string> header)
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{
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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//请求设置
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request.Method = "POST";
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request.ContentType = "application/json;charset=UTF-8";
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request.Timeout = 3000;//设置超时时间
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//拼接请求头
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foreach (var item in header)
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{
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request.Headers.Add(item.Key, item.Value);
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}
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//拼接参数
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if (param.Any())
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{
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var pStr = JsonConvert.SerializeObject(param);
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byte[] data = Encoding.UTF8.GetBytes(pStr);
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using (Stream stream = request.GetRequestStream())
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{
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stream.Write(data, 0, data.Length);
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}
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}
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//提交请求
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HttpWebResponse response;
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try
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{
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response = (HttpWebResponse)request.GetResponse();
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}
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catch (WebException ex)
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{
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response = (HttpWebResponse)ex.Response;
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}
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//解析请求结果
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using (Stream myResponseStream = response.GetResponseStream())
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{
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StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
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string retString = myStreamReader.ReadToEnd();
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myStreamReader.Close();
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//记录请求情况
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LogHelper.Info($"url:{url},param:{JsonConvert.SerializeObject(param)},header:{JsonConvert.SerializeObject(header)},req:{retString}");
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return retString;
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}
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}
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public static string Send(HttpRequestMessage httpRequestMessage)
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{
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using (HttpClient client = new HttpClient())
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{
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HttpResponseMessage response = client.SendAsync(httpRequestMessage).Result;
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return response.Content.ReadAsStringAsync().Result;
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}
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}
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/// <summary>
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/// 内置请求
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/// </summary>
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/// <param name=""></param>
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/// <returns></returns>
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private string Get(string url, Dictionary<string, object> param, Dictionary<string, string> header)
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{
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var urlParam = string.Join("&", param.Select(m => m.Key + "=" + m.Value));
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if (url.IndexOf('?') > -1)
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{
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url = url + urlParam;
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}
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else
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{
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url = (url + "?" + urlParam);
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}
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HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(url));
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//MethodInfo priMethod = webReq.Headers.GetType().GetMethod("AddWithoutValidate", BindingFlags.Instance | BindingFlags.NonPublic);
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//priMethod.Invoke(webReq.Headers, new[] { "Date", timestamps });
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foreach (var item in header)
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{
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webReq.Headers.Add(item.Key, item.Value);
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}
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webReq.Method = "GET";
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webReq.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
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webReq.Headers.Add("Accept-Language", "zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3");
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webReq.UserAgent = "Mozilla/5.0 (Windows NT 5.2; rv:12.0) Gecko/20100101 Firefox/12.0";
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//webReq.Method = "get";
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//webReq.ContentType = "application/x-www-form-urlencoded";
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webReq.ContentType = "application/json;charset=UTF-8";
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//webReq.Timeout = 3000;//设置超时时间
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HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();
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StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
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var _Result = sr.ReadToEnd();
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sr.Close();
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response.Close();
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return _Result;
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}
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/// <summary>
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/// 计算签名
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/// </summary>
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/// <param name="param"></param>
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/// <param name="timestamps"></param>
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/// <returns></returns>
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private string GetSign(Dictionary<string, object> param, string timestamps)
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{
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//一次排序
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var newP = param.OrderBy(m => m.Key).ToDictionary(m => m.Key.Substring(0, 1).ToLower() + m.Key.Substring(1), n => n.Value);
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var pJosn = JsonConvert.SerializeObject(newP, new JsonSerializerSettings
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{
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NullValueHandling = NullValueHandling.Ignore,
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ContractResolver = new OrderedContractResolver() //首字母转小写
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});//去除null值数据
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//二次排序
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var enStrList = new string[] { UserName, pJosn, Secret, timestamps };
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Array.Sort(enStrList, string.CompareOrdinal);
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//拼接
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var enStr = string.Join("", enStrList);
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//md5 加密
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return _md5(enStr);
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}
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/// <summary>
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/// 计算 md5
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/// </summary>
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/// <param name="enCode"></param>
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/// <returns></returns>
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public string _md5(string enCode)
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{
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string res = "";
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byte[] data = Encoding.GetEncoding("utf-8").GetBytes(enCode);
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MD5 md5 = new MD5CryptoServiceProvider();
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byte[] bytes = md5.ComputeHash(data);
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for (int i = 0; i < bytes.Length; i++)
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{
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res += bytes[i].ToString("x2");
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}
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return res;
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}
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/// <summary>
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/// 获取时间戳
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/// </summary>
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/// <returns></returns>
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public string GetTimeStamp()
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{
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TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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return Convert.ToInt64(ts.TotalSeconds).ToString();
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}
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public long GetTimeStampByTime(DateTime nowTime)
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{
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TimeSpan ts = nowTime - new DateTime(1970, 1, 1, 8, 0, 0, 0);
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return long.Parse(Convert.ToInt64(ts.TotalSeconds).ToString());
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}
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#endregion
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}
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/// <summary>
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/// code：状态码，0为请求成功；
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/// 部分状态说明
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/// -1 未知异常
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/// -1001 签名不合法
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/// -1002 签名验证失败
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/// -1003 请求内容不合法
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/// -1004 AppID不合法
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// -1005 签名已过期
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class ApiResult<T>
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{
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/// <summary>
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/// -1 未知异常
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/// -1001 签名不合法
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/// -1002 签名验证失败
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/// -1003 请求内容不合法
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/// -1004 AppID不合法
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// -1005 签名已过期
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/// </summary>
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public int Code { get; set; }
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public T Data { get; set; }
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public string Message { get; set; }
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}
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public class ApiResult
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{
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/// <summary>
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/// -1 未知异常
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/// -1001 签名不合法
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/// -1002 签名验证失败
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/// -1003 请求内容不合法
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/// -1004 AppID不合法
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// -1005 签名已过期
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/// </summary>
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public int Code { get; set; }
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public string Message { get; set; }
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}
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public class OrderedContractResolver : Newtonsoft.Json.Serialization.DefaultContractResolver
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{
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protected override System.Collections.Generic.IList<Newtonsoft.Json.Serialization.JsonProperty> CreateProperties(System.Type type, MemberSerialization memberSerialization)
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{
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var list = base.CreateProperties(type, memberSerialization).OrderBy(p => p.PropertyName).ToList();
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foreach (var item in list)
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{
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item.PropertyName = item.PropertyName.Substring(0, 1).ToLower() + item.PropertyName.Substring(1);
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}
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return list;
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}
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}
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}
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