using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Net;

using System.Security.Cryptography;

using System.Text;

using Newtonsoft.Json;

 

namespace Qianyou

{

class Program

{

//请求地址

private static readonly string REQUESTURL = "http://api.qianyou.cn:11140/receiveUserBuyCardOrder";

static void Main(string[] args)

{

BuyCard();

}

/// <summary>

/// 卡密购买

/// </summary>

public static void BuyCard()

{

var userTimeStamp = TimeStamp() * 1000;//时间戳

//生成签名

StringBuilder source = new StringBuilder();

source.Append("userNo").Append(userNo);//用户编号，注册www.qianyou.cn的手机号码

source.Append("userOrderId").Append(userOrderId);// 用户的订单号(最长32位)

source.Append("goodsId").Append(goodsId);//商品编号,具体参照商品查询接口返回

source.Append("chargeAmount").Append(chargeAmount);//购买数量

source.Append("userTimeStamp").Append(userTimeStamp);//订单创建时间，Unix时间戳，精确到毫秒

source.Append(Key);//key是用户key

var sign = Md5Encrypt(source.ToString());

//请求地址

var url = REQUESTURL;

//组装请求参数

StringBuilder data = new StringBuilder();

data.Append("userNo=").Append(userNo);

data.Append("&userOrderId=").Append(userOrderId);

data.Append("&goodsId=").Append(goodsId); //同上

data.Append("&chargeAmount=").Append(chargeAmount);

data.Append("&userTimeStamp=").Append(userTimeStamp);

data.Append("&sign=").Append(sign);

try

{

var response = HttpPost(url, data.ToString());

if(response .Contains("code"))

{

var result = JsonConvert.DeserializeObject<ResponseModel>(response);//获取到的响应

var cardpwd = DesDecrypt(CardPwd, "***", "***");//CardPwd:卡密Des加密原串 密码秘钥请联系商务索要

}

}

catch (Exception ex)

{

throw;

}

}

/// <summary>

/// post请求方法 （仅供参考）

/// </summary>

/// <param name="Url"></param>

/// <param name="postDataStr"></param>

/// <returns></returns>

private static string HttpPost(string Url, string postDataStr)

{

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);

request.Method = "POST";

request.ContentType = "application/x-www-form-urlencoded";

request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);

Stream myRequestStream = request.GetRequestStream();

StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.Default);

myStreamWriter.Write(postDataStr);

myStreamWriter.Close();

HttpWebResponse response = (HttpWebResponse)request.GetResponse();

Stream myResponseStream = response.GetResponseStream();

StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));

string retString = myStreamReader.ReadToEnd();

myStreamReader.Close();

myResponseStream.Close();

return retString;

}

/// <summary>

/// 对字符串进行MD5加密

/// </summary>

/// <param name="input"></param>

/// <returns></returns>

public static string Md5Encrypt(string input)

{

return Md5Encrypt(input, Encoding.UTF8);

}

/// <summary>

/// 对字符串进行MD5加密

/// </summary>

/// <param name="input"></param>

/// <param name="enc"></param>

/// <returns></returns>

public static string Md5Encrypt(string input, Encoding enc)

{

var md5 = new MD5CryptoServiceProvider();

var buffer = md5.ComputeHash(enc.GetBytes(input));

var builder = new StringBuilder(32);

foreach (var t in buffer)

{

builder.Append(t.ToString("x").PadLeft(2, '0'));

}

return builder.ToString();

}

/// <summary>

/// 时间戳

/// </summary>

/// <returns></returns>

public static long TimeStamp()

{

DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); // 当地时区

long receivetime = (long)((Convert.ToDateTime(DateTime.Now)) - startTime).TotalSeconds; // 相差秒数

return receivetime;

}

/// <summary>

/// Des解密

/// <param name="data">解密原串</param>

/// <param name="key">8位字符的密钥字符串(解密key是接口key的前8位)</param >

/// <param name="iv">8位字符的初始化向量字符串</param >

/// <returns></returns>

public static string DesDecrypt(string data, string key, string iv)

{

var byKey = Encoding.ASCII.GetBytes(key);

var byIv = Encoding.ASCII.GetBytes(iv);

var byEnc = Convert.FromBase64String(data);

var cryptoProvider = new DESCryptoServiceProvider();

using (var ms = new MemoryStream(byEnc))

{

using (var cst = new CryptoStream(ms, cryptoProvider.CreateDecryptor(byKey, byIv), CryptoStreamMode.Read))

{

using (var sr = new StreamReader(cst))

{

return sr.ReadToEnd();

}

}

}

}

/// <summary>

/// 订单信息

/// </summary>

public class Order

{

public string userOrderId { get; set; }

public string goodsId { get; set; }

public string totalMoney { get; set; }

public string account { get; set; }

public string userTimeStamp { get; set; }

public string MyProperty { get; set; }

}

/// <summary>

/// 提交充值请求返回结果

/// </summary>

public class ResponseModel

{

/// <summary>

/// 返回说明

/// </summary>

public string msg { get; set; }

/// <summary>

/// 返回码

/// </summary>

public string code { get; set; }

/// <summary>

/// 用户提交的订单号

/// </summary>

public string userOrderId { get; set; }

/// <summary>

/// 用户编号,注册www.qianyou.cn的手机号码

/// </summary>

public string userNo { get; set; }

/// <summary>

/// 千游订单号

/// </summary>

public string platOrderId { get; set; }

/// <summary>

/// Cards

/// </summary>

public List<Cards> cards { get; set; }

}

public class Cards

{

/// <summary>

/// 卡号

/// </summary>

public string cardNumber { get; set; }

/// <summary>

/// 卡密,des加密结果

/// </summary>

public string cardPwd { get; set; }

}

}