├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md └── src ├── WeChatRedPacketSample.sln └── WeChatRedPacketSample ├── App.config ├── CertificateStoreFinder.cs ├── DebugWeChatClient.cs ├── ICertificateFinder.cs ├── IWeChatClient.cs ├── Program.cs ├── Properties └── AssemblyInfo.cs ├── RedPacket.cs ├── RedPacketSentError.cs ├── RedPacketSentResult.cs ├── RedPacketService.cs ├── WeChatClient.cs ├── WeChatRedPacketSample.csproj └── packages.config /.gitattributes: -------------------------------------------------------------------------------- 1 | ############################################################################### 2 | # Set default behavior to automatically normalize line endings. 3 | ############################################################################### 4 | * text=auto 5 | 6 | ############################################################################### 7 | # Set default behavior for command prompt diff. 8 | # 9 | # This is need for earlier builds of msysgit that does not have it on by 10 | # default for csharp files. 11 | # Note: This is only used by command line 12 | ############################################################################### 13 | #*.cs diff=csharp 14 | 15 | ############################################################################### 16 | # Set the merge driver for project and solution files 17 | # 18 | # Merging from the command prompt will add diff markers to the files if there 19 | # are conflicts (Merging from VS is not affected by the settings below, in VS 20 | # the diff markers are never inserted). Diff markers may cause the following 21 | # file extensions to fail to load in VS. An alternative would be to treat 22 | # these files as binary and thus will always conflict and require user 23 | # intervention with every merge. To do so, just uncomment the entries below 24 | ############################################################################### 25 | #*.sln merge=binary 26 | #*.csproj merge=binary 27 | #*.vbproj merge=binary 28 | #*.vcxproj merge=binary 29 | #*.vcproj merge=binary 30 | #*.dbproj merge=binary 31 | #*.fsproj merge=binary 32 | #*.lsproj merge=binary 33 | #*.wixproj merge=binary 34 | #*.modelproj merge=binary 35 | #*.sqlproj merge=binary 36 | #*.wwaproj merge=binary 37 | 38 | ############################################################################### 39 | # behavior for image files 40 | # 41 | # image files are treated as binary by default. 42 | ############################################################################### 43 | #*.jpg binary 44 | #*.png binary 45 | #*.gif binary 46 | 47 | ############################################################################### 48 | # diff behavior for common document formats 49 | # 50 | # Convert binary document formats to text before diffing them. This feature 51 | # is only available from the command line. Turn it on by uncommenting the 52 | # entries below. 53 | ############################################################################### 54 | #*.doc diff=astextplain 55 | #*.DOC diff=astextplain 56 | #*.docx diff=astextplain 57 | #*.DOCX diff=astextplain 58 | #*.dot diff=astextplain 59 | #*.DOT diff=astextplain 60 | #*.pdf diff=astextplain 61 | #*.PDF diff=astextplain 62 | #*.rtf diff=astextplain 63 | #*.RTF diff=astextplain 64 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | 4 | # User-specific files 5 | *.suo 6 | *.user 7 | *.sln.docstates 8 | 9 | # Build results 10 | [Dd]ebug/ 11 | [Dd]ebugPublic/ 12 | [Rr]elease/ 13 | [Rr]eleases/ 14 | x64/ 15 | x86/ 16 | build/ 17 | bld/ 18 | [Bb]in/ 19 | [Oo]bj/ 20 | 21 | # Roslyn cache directories 22 | *.ide/ 23 | 24 | # MSTest test Results 25 | [Tt]est[Rr]esult*/ 26 | [Bb]uild[Ll]og.* 27 | 28 | #NUNIT 29 | *.VisualState.xml 30 | TestResult.xml 31 | 32 | # Build Results of an ATL Project 33 | [Dd]ebugPS/ 34 | [Rr]eleasePS/ 35 | dlldata.c 36 | 37 | *_i.c 38 | *_p.c 39 | *_i.h 40 | *.ilk 41 | *.meta 42 | *.obj 43 | *.pch 44 | *.pdb 45 | *.pgc 46 | *.pgd 47 | *.rsp 48 | *.sbr 49 | *.tlb 50 | *.tli 51 | *.tlh 52 | *.tmp 53 | *.tmp_proj 54 | *.log 55 | *.vspscc 56 | *.vssscc 57 | .builds 58 | *.pidb 59 | *.svclog 60 | *.scc 61 | 62 | # Chutzpah Test files 63 | _Chutzpah* 64 | 65 | # Visual C++ cache files 66 | ipch/ 67 | *.aps 68 | *.ncb 69 | *.opensdf 70 | *.sdf 71 | *.cachefile 72 | 73 | # Visual Studio profiler 74 | *.psess 75 | *.vsp 76 | *.vspx 77 | 78 | # TFS 2012 Local Workspace 79 | $tf/ 80 | 81 | # Guidance Automation Toolkit 82 | *.gpState 83 | 84 | # ReSharper is a .NET coding add-in 85 | _ReSharper*/ 86 | *.[Rr]e[Ss]harper 87 | *.DotSettings.user 88 | 89 | # JustCode is a .NET coding addin-in 90 | .JustCode 91 | 92 | # TeamCity is a build add-in 93 | _TeamCity* 94 | 95 | # DotCover is a Code Coverage Tool 96 | *.dotCover 97 | 98 | # NCrunch 99 | _NCrunch_* 100 | .*crunch*.local.xml 101 | 102 | # MightyMoose 103 | *.mm.* 104 | AutoTest.Net/ 105 | 106 | # Web workbench (sass) 107 | .sass-cache/ 108 | 109 | # Installshield output folder 110 | [Ee]xpress/ 111 | 112 | # DocProject is a documentation generator add-in 113 | DocProject/buildhelp/ 114 | DocProject/Help/*.HxT 115 | DocProject/Help/*.HxC 116 | DocProject/Help/*.hhc 117 | DocProject/Help/*.hhk 118 | DocProject/Help/*.hhp 119 | DocProject/Help/Html2 120 | DocProject/Help/html 121 | 122 | # Click-Once directory 123 | publish/ 124 | 125 | # Publish Web Output 126 | *.[Pp]ublish.xml 127 | *.azurePubxml 128 | # TODO: Comment the next line if you want to checkin your web deploy settings 129 | # but database connection strings (with potential passwords) will be unencrypted 130 | *.pubxml 131 | *.publishproj 132 | 133 | # NuGet Packages 134 | *.nupkg 135 | # The packages folder can be ignored because of Package Restore 136 | **/packages/* 137 | # except build/, which is used as an MSBuild target. 138 | !**/packages/build/ 139 | # If using the old MSBuild-Integrated Package Restore, uncomment this: 140 | #!**/packages/repositories.config 141 | 142 | # Windows Azure Build Output 143 | csx/ 144 | *.build.csdef 145 | 146 | # Windows Store app package directory 147 | AppPackages/ 148 | 149 | # Others 150 | sql/ 151 | *.Cache 152 | ClientBin/ 153 | [Ss]tyle[Cc]op.* 154 | ~$* 155 | *~ 156 | *.dbmdl 157 | *.dbproj.schemaview 158 | *.pfx 159 | *.publishsettings 160 | node_modules/ 161 | 162 | # RIA/Silverlight projects 163 | Generated_Code/ 164 | 165 | # Backup & report files from converting an old project file 166 | # to a newer Visual Studio version. Backup files are not needed, 167 | # because we have git ;-) 168 | _UpgradeReport_Files/ 169 | Backup*/ 170 | UpgradeLog*.XML 171 | UpgradeLog*.htm 172 | 173 | # SQL Server files 174 | *.mdf 175 | *.ldf 176 | 177 | # Business Intelligence projects 178 | *.rdl.data 179 | *.bim.layout 180 | *.bim_*.settings 181 | 182 | # Microsoft Fakes 183 | FakesAssemblies/ 184 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2015 温海雄 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | 23 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # WeChatRedPacketSample 2 | 微信现金红包接口示例 3 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio 2013 4 | VisualStudioVersion = 12.0.31101.0 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WeChatRedPacketSample", "WeChatRedPacketSample\WeChatRedPacketSample.csproj", "{ACA5A9D9-B510-44AC-8E91-E78E0F71C745}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|Any CPU = Debug|Any CPU 11 | Release|Any CPU = Release|Any CPU 12 | EndGlobalSection 13 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 14 | {ACA5A9D9-B510-44AC-8E91-E78E0F71C745}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 15 | {ACA5A9D9-B510-44AC-8E91-E78E0F71C745}.Debug|Any CPU.Build.0 = Debug|Any CPU 16 | {ACA5A9D9-B510-44AC-8E91-E78E0F71C745}.Release|Any CPU.ActiveCfg = Release|Any CPU 17 | {ACA5A9D9-B510-44AC-8E91-E78E0F71C745}.Release|Any CPU.Build.0 = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(SolutionProperties) = preSolution 20 | HideSolutionNode = FALSE 21 | EndGlobalSection 22 | EndGlobal 23 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/App.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/CertificateStoreFinder.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Security.Cryptography.X509Certificates; 3 | 4 | namespace WeChatRedPacketSample 5 | { 6 | public class CertificateStoreFinder : ICertificateFinder 7 | { 8 | string m_SubjectDistinguishedName; 9 | 10 | public CertificateStoreFinder(string subjectDistinguishedName) 11 | { 12 | if (subjectDistinguishedName == null) 13 | throw new ArgumentNullException("subjectDistinguishedName"); 14 | 15 | m_SubjectDistinguishedName = subjectDistinguishedName; 16 | } 17 | 18 | public X509Certificate2 Find() 19 | { 20 | var store = new X509Store(StoreName.My, StoreLocation.CurrentUser); 21 | store.Open(OpenFlags.ReadOnly); 22 | //你可以采用别的方式来寻找证书，只要能找到就可以。 23 | var certs = store.Certificates.Find(X509FindType.FindBySubjectDistinguishedName, m_SubjectDistinguishedName, false); 24 | if (certs.Count == 0) 25 | throw new Exception("无法找到微信支付证书"); 26 | 27 | return certs[0]; 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/DebugWeChatClient.cs: -------------------------------------------------------------------------------- 1 | using System.Threading.Tasks; 2 | 3 | namespace WeChatRedPacketSample 4 | { 5 | public class DebugWeChatClient : IWeChatClient 6 | { 7 | public static readonly string DefaultResponse = @" 8 | DebugWeChatClient 9 | 10 | 11 | 12 | 13 | 14 | 15 | 1233006302 16 | 17 | 18 | 375 19 | "; 20 | string m_Result; 21 | 22 | public DebugWeChatClient(string result = null) 23 | { 24 | m_Result = result ?? DefaultResponse; 25 | } 26 | 27 | public Task PostAsync(string data) 28 | { 29 | return Task.FromResult(m_Result); 30 | } 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/ICertificateFinder.cs: -------------------------------------------------------------------------------- 1 | using System.Security.Cryptography.X509Certificates; 2 | 3 | namespace WeChatRedPacketSample 4 | { 5 | public interface ICertificateFinder 6 | { 7 | X509Certificate2 Find(); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/IWeChatClient.cs: -------------------------------------------------------------------------------- 1 | using System.Threading.Tasks; 2 | 3 | namespace WeChatRedPacketSample 4 | { 5 | public interface IWeChatClient 6 | { 7 | Task PostAsync(string data); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/Program.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace WeChatRedPacketSample 4 | { 5 | class Program 6 | { 7 | static void Main(string[] args) 8 | { 9 | //微信支付商户号 10 | var merchantId = "1234567890"; 11 | //支付密钥，不是公众号/服务号的密钥，在账户设置-安全设置-API安全中配置。 12 | var payKey = "60BC9982-D893-4AB7-BE8A-FEC3B38FB042"; 13 | //这一行是模拟发送 14 | var service = new RedPacketService(merchantId, payKey, new DebugWeChatClient()); 15 | //这里是真正发起API调用。 16 | //subjectDistinguishedName是微信提供下载安装的X509证书的主题可分辨名称 17 | //格式严格类似： "SN=10000000, CN=深圳XXXX科技有限公司, OU=MMPay, O=Tencent, L=Shenzhen, S=Guangdong, C=CN" 18 | //注意，CertificateStoreFinder的实现要求证书必须安装在当前用户（应用程序启动的身份）下的个人类别中。 19 | //不了解的请启动命令行，输入certmgr回车，左边树形列表第一个就是。 20 | //当然你也可以安装在其他地方，修改CertificateStoreFinder的实现。 21 | //如果无法在托管系统中安装证书，可以采用微信官方Demo中文件形式访问，这里不再重复。 22 | //基于安全的考虑，墙裂建议把证书安装在证书容器中，并在安装时设置为私钥不可导出。 23 | //var subjectDistinguishedName = "xxxxx"; 24 | //var service = new RedPacketService(merchantId, payKey, new WeChatClient(new CertificateStoreFinder(subjectDistinguishedName))); 25 | var redPacket = new RedPacket 26 | { 27 | ActName = "测试", 28 | Amount = 120, 29 | AppId = "1234567890", //微信/服务公众号Id，通过这个公众/服务号下行红包通知，如果用户没关注，通过服务消息（特殊服务号）下行。 30 | //订单号格式： 商户号 + 4位年 + 2位月 + 2位日 + 10位自然日内唯一数字。 31 | BillNumber = merchantId + DateTime.Now.ToString("yyyyMMdd") + GetUniqueId().PadLeft(10, '0'), 32 | IpAddress = "127.0.0.1", //触发操作的客户的IP地址 33 | OpenId = "xxxxxxxxxx", //触发红包的用户在微信号内的Id。 34 | Remark = "备注", 35 | SendName = "显示在红包上的发送者名称", 36 | Wishing = "祝福的话" 37 | }; 38 | var result = service.SendAsync(redPacket).Result; //控制台程序可以使用Result属性来访问异步Task结果，在Asp.Net和WinForm、WPF中不要这么做。 39 | var message = string.Format("{0}, {1}", result.Succeeded ? "成功" : "失败", result.Error); 40 | Console.WriteLine(message); 41 | } 42 | 43 | static string GetUniqueId() 44 | { 45 | //可以通过数据库来生成唯一的ID，这个唯一ID不要求全局唯一，只要求在一个自然日内唯一。 46 | //这里用随机数模拟。 47 | var r = new Random(); 48 | return r.Next(1, 1000000000).ToString(); 49 | } 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.CompilerServices; 3 | using System.Runtime.InteropServices; 4 | 5 | // General Information about an assembly is controlled through the following 6 | // set of attributes. Change these attribute values to modify the information 7 | // associated with an assembly. 8 | [assembly: AssemblyTitle("WeChatRedPacketSample")] 9 | [assembly: AssemblyDescription("")] 10 | [assembly: AssemblyConfiguration("")] 11 | [assembly: AssemblyCompany("")] 12 | [assembly: AssemblyProduct("WeChatRedPacketSample")] 13 | [assembly: AssemblyCopyright("Copyright © 2015")] 14 | [assembly: AssemblyTrademark("")] 15 | [assembly: AssemblyCulture("")] 16 | 17 | // Setting ComVisible to false makes the types in this assembly not visible 18 | // to COM components. If you need to access a type in this assembly from 19 | // COM, set the ComVisible attribute to true on that type. 20 | [assembly: ComVisible(false)] 21 | 22 | // The following GUID is for the ID of the typelib if this project is exposed to COM 23 | [assembly: Guid("10ce5da3-f92f-4849-bceb-03193ab70aef")] 24 | 25 | // Version information for an assembly consists of the following four values: 26 | // 27 | // Major Version 28 | // Minor Version 29 | // Build Number 30 | // Revision 31 | // 32 | // You can specify all the values or you can default the Build and Revision Numbers 33 | // by using the '*' as shown below: 34 | // [assembly: AssemblyVersion("1.0.*")] 35 | [assembly: AssemblyVersion("1.0.0.0")] 36 | [assembly: AssemblyFileVersion("1.0.0.0")] 37 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/RedPacket.cs: -------------------------------------------------------------------------------- 1 |  2 | namespace WeChatRedPacketSample 3 | { 4 | public class RedPacket 5 | { 6 | public string BillNumber { get; set; } 7 | public string SendName { get; set; } 8 | public string ActName { get; set; } 9 | public string Wishing { get; set; } 10 | public string Remark { get; set; } 11 | public string AppId { get; set; } 12 | public string OpenId { get; set; } 13 | public string IpAddress { get; set; } 14 | public int Amount { get; set; } 15 | 16 | public bool IsValid() //可以用ModelBinding机制来替换这个。 17 | { 18 | return !string.IsNullOrWhiteSpace(BillNumber) && 19 | !string.IsNullOrWhiteSpace(SendName) && 20 | !string.IsNullOrWhiteSpace(ActName) && 21 | !string.IsNullOrWhiteSpace(Wishing) && 22 | !string.IsNullOrWhiteSpace(Remark) && 23 | !string.IsNullOrWhiteSpace(AppId) && 24 | !string.IsNullOrWhiteSpace(OpenId) && 25 | !string.IsNullOrWhiteSpace(IpAddress) && 26 | ((Amount == 0) || (Amount != 0 && Amount >= 100)); 27 | } 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/RedPacketSentError.cs: -------------------------------------------------------------------------------- 1 |  2 | namespace WeChatRedPacketSample 3 | { 4 | public enum RedPacketSentError : byte 5 | { 6 | None = 0, 7 | InternalError = 1, 8 | BalanceNotEnough = 2, 9 | Other = 128 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/RedPacketSentResult.cs: -------------------------------------------------------------------------------- 1 |  2 | namespace WeChatRedPacketSample 3 | { 4 | public class RedPacketSentResult 5 | { 6 | public bool Succeeded { get; set; } 7 | 8 | public string Response { get; set; } 9 | 10 | public RedPacketSentError Error { get; set; } 11 | 12 | public int Amount { get; set; } 13 | 14 | public string BillNumber { get; set; } 15 | 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/RedPacketService.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Net; 4 | using System.Net.Security; 5 | using System.Security.Cryptography; 6 | using System.Security.Cryptography.X509Certificates; 7 | using System.Text; 8 | using System.Threading.Tasks; 9 | using System.Xml.Linq; 10 | 11 | namespace WeChatRedPacketSample 12 | { 13 | public class RedPacketService 14 | { 15 | static readonly Random _Random = new Random(); 16 | readonly string m_PayKey; 17 | readonly string m_MerchantId; 18 | readonly IWeChatClient m_WeChatClient; 19 | 20 | static RedPacketService() 21 | { 22 | ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); 23 | } 24 | 25 | public RedPacketService(string merchantId, string payKey, IWeChatClient client) 26 | { 27 | if (merchantId == null) 28 | throw new ArgumentNullException("merchantId"); 29 | if (payKey == null) 30 | throw new ArgumentNullException("payKey"); 31 | if (client == null) 32 | throw new ArgumentNullException("client"); 33 | 34 | m_PayKey = payKey; 35 | m_WeChatClient = client; 36 | } 37 | 38 | public async Task SendAsync(RedPacket request) 39 | { 40 | if (request == null) 41 | throw new ArgumentNullException("request"); 42 | if (!request.IsValid()) 43 | throw new ArgumentException("request"); 44 | 45 | var amount = GetAmount(request.Amount); 46 | var amountString = amount.ToString(); 47 | var sendData = new SortedList(StringComparer.Ordinal); 48 | sendData.Add("nonce_str", Guid.NewGuid().ToString("N")); 49 | sendData.Add("mch_billno", request.BillNumber); 50 | sendData.Add("mch_id", m_MerchantId); 51 | sendData.Add("wxappid", request.AppId); 52 | sendData.Add("nick_name", request.SendName); //简单起见使用send_name。 53 | sendData.Add("send_name", request.SendName); 54 | sendData.Add("re_openid", request.OpenId); 55 | sendData.Add("total_amount", amountString); 56 | sendData.Add("min_value", amountString); 57 | sendData.Add("max_value", amountString); 58 | sendData.Add("total_num", "1"); 59 | sendData.Add("wishing", request.Wishing); 60 | sendData.Add("client_ip", request.IpAddress); 61 | sendData.Add("act_name", request.ActName); 62 | sendData.Add("remark", request.Remark); 63 | var xml = DictionaryToXml(sendData); 64 | 65 | var result = await m_WeChatClient.PostAsync(xml); 66 | var result2 = Parse(result); 67 | result2.Amount = amount; 68 | result2.BillNumber = request.BillNumber; 69 | return result2; 70 | } 71 | 72 | public RedPacketSentResult Parse(string result) 73 | { 74 | try 75 | { 76 | var xml = XDocument.Parse(result).Root; 77 | var returnCode = xml.Element("return_code").Value; 78 | var balanceNotEnough = string.Equals(xml.Element("err_code").Value, "NOTENOUGH", StringComparison.OrdinalIgnoreCase); 79 | var error = balanceNotEnough ? RedPacketSentError.BalanceNotEnough : RedPacketSentError.Other; 80 | if (!string.Equals(returnCode, "SUCCESS", StringComparison.OrdinalIgnoreCase)) 81 | return new RedPacketSentResult { Succeeded = false, Response = result, Error = error }; 82 | 83 | var resultCode = xml.Element("result_code").Value; 84 | if (!string.Equals(resultCode, "SUCCESS", StringComparison.OrdinalIgnoreCase)) 85 | return new RedPacketSentResult { Succeeded = false, Response = result, Error = error }; 86 | 87 | return new RedPacketSentResult { Succeeded = true, Response = result }; ; 88 | } 89 | catch (Exception ex) 90 | { 91 | //Logger.WriteError("解析微信返回结果时发生错误", ex); 92 | return new RedPacketSentResult { Succeeded = false, Response = result, Error = RedPacketSentError.InternalError }; 93 | } 94 | } 95 | 96 | internal int GetAmount(int amount) 97 | { 98 | var maxAmount = 20000; 99 | if (amount == 0) 100 | return _Random.Next(100, maxAmount);//微信红包必须大于100分。 101 | else 102 | { 103 | return amount > maxAmount ? maxAmount : amount; 104 | } 105 | } 106 | 107 | //默认情况下只能使用受信任的证书，此方法可以干预这个逻辑。 108 | static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) 109 | { 110 | if (errors == SslPolicyErrors.None) 111 | return true; 112 | return false; 113 | } 114 | 115 | string Sign(IDictionary dict) 116 | { 117 | StringBuilder sb = new StringBuilder(); 118 | foreach (var item in dict) 119 | { 120 | if (string.IsNullOrEmpty(item.Key) || string.IsNullOrEmpty(item.Value)) 121 | continue; 122 | 123 | sb.AppendFormat("{0}={1}&", item.Key, item.Value); 124 | } 125 | sb.Append("key=" + m_PayKey); 126 | var bytesToHash = Encoding.UTF8.GetBytes(sb.ToString()); //注意，必须是UTF-8。 127 | var hashResult = ComputeMD5Hash(bytesToHash); 128 | var hash = BytesToString(hashResult, false); 129 | return hash; 130 | } 131 | 132 | static byte[] ComputeMD5Hash(byte[] input) 133 | { 134 | if (input == null) 135 | throw new ArgumentNullException("input"); 136 | 137 | using (var md5 = new MD5CryptoServiceProvider()) 138 | { 139 | var result = md5.ComputeHash(input); 140 | return result; 141 | } 142 | } 143 | 144 | public static string BytesToString(byte[] input, bool lowercase = true) 145 | { 146 | if (input == null || input.Length == 0) 147 | return string.Empty; 148 | 149 | StringBuilder sb = new StringBuilder(input.Length * 2); 150 | for (var i = 0; i < input.Length; i++) 151 | { 152 | sb.AppendFormat(lowercase ? "{0:x2}" : "{0:X2}", input[i]); 153 | } 154 | return sb.ToString(); 155 | } 156 | 157 | string DictionaryToXml(IDictionary dict) 158 | { 159 | StringBuilder sb = new StringBuilder(); 160 | sb.AppendLine(""); 161 | foreach (var item in dict) 162 | { 163 | if (string.IsNullOrEmpty(item.Key) || string.IsNullOrEmpty(item.Value)) 164 | continue; 165 | 166 | sb.AppendFormat("<{0}>{1}", item.Key, item.Value); 167 | } 168 | var sign = Sign(dict); 169 | sb.AppendFormat("{0}", sign); 170 | sb.AppendLine(""); 171 | return sb.ToString(); 172 | } 173 | } 174 | } 175 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/WeChatClient.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Net.Http; 3 | using System.Security.Cryptography.X509Certificates; 4 | using System.Text; 5 | using System.Threading.Tasks; 6 | 7 | namespace WeChatRedPacketSample 8 | { 9 | public class WeChatClient : IWeChatClient 10 | { 11 | static readonly string _WeChatRedPacketApiEndpoint = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack"; 12 | ICertificateFinder m_CertificateFinder; 13 | 14 | public WeChatClient(ICertificateFinder finder) 15 | { 16 | if (finder == null) 17 | throw new ArgumentNullException("finder"); 18 | 19 | m_CertificateFinder = finder; 20 | } 21 | 22 | public async Task PostAsync(string data) 23 | { 24 | var certHandler = new WebRequestHandler(); 25 | certHandler.ClientCertificateOptions = ClientCertificateOption.Manual; 26 | certHandler.UseDefaultCredentials = false; 27 | var cert = m_CertificateFinder.Find(); 28 | certHandler.ClientCertificates.Add(cert); 29 | using (var client = new HttpClient(certHandler, true)) 30 | { 31 | var response = await client.PostAsync(_WeChatRedPacketApiEndpoint, new StringContent(data, Encoding.UTF8, "application/xml")); 32 | var responseData = await response.Content.ReadAsByteArrayAsync(); 33 | var result = Encoding.UTF8.GetString(responseData); 34 | return result; 35 | } 36 | } 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/WeChatRedPacketSample.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | Debug 6 | AnyCPU 7 | {ACA5A9D9-B510-44AC-8E91-E78E0F71C745} 8 | Exe 9 | Properties 10 | WeChatRedPacketSample 11 | WeChatRedPacketSample 12 | v4.5 13 | 512 14 | 15 | 16 | AnyCPU 17 | true 18 | full 19 | false 20 | bin\Debug\ 21 | DEBUG;TRACE 22 | prompt 23 | 4 24 | 25 | 26 | AnyCPU 27 | pdbonly 28 | true 29 | bin\Release\ 30 | TRACE 31 | prompt 32 | 4 33 | 34 | 35 | 36 | False 37 | ..\packages\Newtonsoft.Json.6.0.4\lib\net45\Newtonsoft.Json.dll 38 | 39 | 40 | 41 | 42 | 43 | False 44 | ..\packages\Microsoft.AspNet.WebApi.Client.5.2.3\lib\net45\System.Net.Http.Formatting.dll 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 78 | -------------------------------------------------------------------------------- /src/WeChatRedPacketSample/packages.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | --------------------------------------------------------------------------------