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251 lines
10 KiB
251 lines
10 KiB
using EasyBL.WebApi.Common;
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using EasyBL.WebApi.Message;
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using EasyBL.WebApi.Models;
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using Entity.Sugar;
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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.Text;
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using System.Web;
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namespace EasyBL.WebApi.Helper
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{
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public class WebApiHelper
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{
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/// <summary>
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/// Post请求
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/// </summary>
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/// <param name="url"></param>
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/// <param name="data"></param>
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/// <param name="orgId">todo: describe orgId parameter on Post</param>
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/// <param name="userId">todo: describe userId parameter on Post</param>
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/// <param name="passWd">todo: describe passWd parameter on Post</param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public static T Post<T>(string url, string data, string orgId, string userId, string passWd)
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{
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var bytes = Encoding.UTF8.GetBytes(data);
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var request = (HttpWebRequest)WebRequest.Create(url);
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var timeStamp = GetTimeStamp();
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var nonce = GetRandom();
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//加入头信息
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request.Headers.Add("orgid", orgId); //当前请求組織Id
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request.Headers.Add("userid", userId); //当前请求用户StaffId
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request.Headers.Add("passwd", passWd); //当前请求用户StaffId
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request.Headers.Add("timestamp", timeStamp); //发起请求时的时间戳（单位：毫秒）
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request.Headers.Add(nameof(nonce), nonce); //发起请求时的时间戳（单位：毫秒）
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request.Headers.Add("signature", GetSignature(timeStamp, nonce, orgId, userId, passWd)); //当前请求内容的数字签名
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//写数据
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request.Method = "POST";
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request.ContentLength = bytes.Length;
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request.ContentType = "application/x-www-form-urlencoded";
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request.Headers.Set("Pragma", "no-cache");
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request.Headers.Set("Content-Encoding", "gzip,deflate");
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request.AutomaticDecompression = DecompressionMethods.Deflate;
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var reqstream = request.GetRequestStream();
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reqstream.Write(bytes, 0, bytes.Length);
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//读数据
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request.Timeout = 300000;
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var response = (HttpWebResponse)request.GetResponse();
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var streamReceive = response.GetResponseStream();
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using (var streamReader = new StreamReader(streamReceive, Encoding.UTF8))
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{
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var strResult = streamReader.ReadToEnd();
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//关闭流
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reqstream.Close();
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streamReader.Close();
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streamReceive.Close();
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request.Abort();
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response.Close();
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return JsonConvert.DeserializeObject<T>(strResult);
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}
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}
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/// <summary>
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/// Get请求
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/// </summary>
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/// <param name="webApi"></param>
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/// <param name="queryStr"></param>
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/// <param name="query">todo: describe query parameter on Get</param>
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/// <param name="orgId">todo: describe orgId parameter on Get</param>
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/// <param name="userId">todo: describe userId parameter on Get</param>
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/// <param name="passWd">todo: describe passWd parameter on Get</param>
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/// <param name="sign">todo: describe sign parameter on Get</param>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public static T Get<T>(string webApi, string queryStr, string orgId, string userId, string passWd, bool sign = true)
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{
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var request = (HttpWebRequest)WebRequest.Create(webApi + "?" + queryStr);
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var timeStamp = GetTimeStamp();
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var nonce = GetRandom();
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//加入头信息
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request.Headers.Add("orgid", orgId); //当前请求組織Id
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request.Headers.Add("userid", userId); //当前请求用户Id
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request.Headers.Add("passwd", passWd); //当前请求用户密碼
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request.Headers.Add("timestamp", timeStamp); //发起请求时的时间戳（单位：毫秒）
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request.Headers.Add(nameof(nonce), nonce); //发起请求时的时间戳（单位：毫秒）
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if (sign)
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request.Headers.Add("signature", GetSignature(timeStamp, nonce, orgId, userId, passWd)); //当前请求内容的数字签名
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request.Method = "GET";
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request.ContentType = "application/json";
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request.Timeout = 90000;
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request.Headers.Set("Pragma", "no-cache");
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request.Headers.Set("Content-Encoding", "gzip,deflate");
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request.AutomaticDecompression = DecompressionMethods.Deflate;
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var response = (HttpWebResponse)request.GetResponse();
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var streamReceive = response.GetResponseStream();
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using (var streamReader = new StreamReader(streamReceive, Encoding.UTF8))
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{
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var strResult = streamReader.ReadToEnd();
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streamReader.Close();
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streamReceive.Close();
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request.Abort();
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response.Close();
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return JsonConvert.DeserializeObject<T>(strResult);
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}
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}
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/// <summary>
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/// Base64編碼參數
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/// </summary>
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/// <param name="rm">todo: describe rm parameter on Base64</param>
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/// <returns></returns>
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public static string Base64(RequestMessage rm)
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{
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var pm = HttpUtility.UrlEncode(JsonConvert.SerializeObject(rm));
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var bytes = ASCIIEncoding.ASCII.GetBytes(pm);
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return "=" + Convert.ToBase64String(bytes);
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}
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/// <summary>
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/// 获取token
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/// </summary>
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/// <param name="orgId"></param>
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/// <param name="userId"></param>
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/// <param name="passWd"></param>
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/// <returns></returns>
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public static TokenResult GetSignToken(string orgId, string userId, string passWd)
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{
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var tokenApi = WebSettingsConfig.TokenApi;
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var parames = new Dictionary<string, string>
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{
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{ nameof(orgId), orgId },
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{ nameof(userId), userId },
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{ "pasWd", passWd }
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};
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var parameters = GetQueryString(parames);
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var token = WebApiHelper.Get<TokenResult>(tokenApi, parameters.Item2, orgId, userId, passWd, false);
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return token;
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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="timeStamp"></param>
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/// <param name="nonce"></param>
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/// <param name="orgId"></param>
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/// <param name="userId"></param>
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/// <param name="passWd">todo: describe passWd parameter on GetSignature</param>
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/// <returns></returns>
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private static string GetSignature(string timeStamp, string nonce, string orgId, string userId, string passWd)
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{
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TicketAuth token = null;
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var resultMsg = GetSignToken(orgId, userId, passWd);
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if (resultMsg != null)
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{
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if (resultMsg.StatusCode == (int)StatusCodeEnum.Success)
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{
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token = resultMsg.Result;
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}
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else
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{
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throw new Exception(resultMsg.Data.ToString());
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}
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}
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else
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{
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throw new Exception("token为null，組織帳號：" + orgId + "帳號：" + userId + "密碼：" + passWd);
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}
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var hash = System.Security.Cryptography.MD5.Create();
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//拼接签名数据
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var signStr = token.Token + timeStamp + nonce;
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//将字符串中字符按升序排序
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var sortStr = string.Concat(signStr.OrderBy(c => c));
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var bytes = Encoding.UTF8.GetBytes(sortStr);
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//使用MD5加密
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var md5Val = hash.ComputeHash(bytes);
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//把二进制转化为大写的十六进制
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var result = new StringBuilder();
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foreach (var c in md5Val)
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{
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result.Append(c.ToString("X2"));
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}
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return result.ToString().ToUpper();
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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 static string GetTimeStamp()
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{
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var ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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return Convert.ToInt64(ts.TotalMilliseconds).ToString();
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}
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/// <summary>
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/// 获取随机数
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/// </summary>
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/// <returns></returns>
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public static string GetRandom()
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{
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var rd = new Random(DateTime.Now.Millisecond);
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var i = rd.Next(0, int.MaxValue);
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return i.ToString();
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}
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/// <summary>
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/// 拼接get参数
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/// </summary>
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/// <param name="parames"></param>
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/// <returns></returns>
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public static Tuple<string, string> GetQueryString(Dictionary<string, string> parames)
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{
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// 第一步：把字典按Key的字母顺序排序
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IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parames);
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var dem = sortedParams.GetEnumerator();
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// 第二步：把所有参数名和参数值串在一起
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var query = new StringBuilder(""); //签名字符串
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var queryStr = new StringBuilder(""); //url参数
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if (parames == null || parames.Count == 0)
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return new Tuple<string, string>("", "");
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while (dem.MoveNext())
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{
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var key = dem.Current.Key;
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var value = dem.Current.Value;
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if (!string.IsNullOrEmpty(key))
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{
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query.Append(key).Append(value);
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queryStr.Append("&").Append(key).Append("=").Append(value);
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}
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}
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return new Tuple<string, string>(query.ToString(), queryStr.ToString().Substring(1, queryStr.Length - 1));
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}
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}
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}
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