using System; using System.Collections.Generic; using Library; using System.Security.Cryptography.X509Certificates; using System.Security.Cryptography; using Microsoft.AspNetCore.Http; using System.Text; using System.IO; using System.Linq; using MySystem; using LitJson; using System.Net; using Org.BouncyCastle.Crypto.Modes; using Org.BouncyCastle.Crypto.Parameters; using Org.BouncyCastle.Crypto.Engines; namespace MySystem { public class WeChatFunction { private HttpContext _context; public string AppId = "wx6e074b8e07b6577e"; public string AppSecret = "883f9ef7831d8ca82168c3fd6dcfb750"; string MchId = "1613112281"; string serialNo = "14E9FD7F0981BEA23F94137607521CB51C4F76EF"; public string platSerialNo = "31CF8918DD2C48D8E6AC645233DCE5A27FA47344"; public WeChatFunction(HttpContext context) { _context = context; } public WeChatFunction() { } #region 领取会员卡 public Dictionary GetUserCard(int MerchantId) { string token = new WeChat.WeChatPublicClass(_context).getWXToken(AppId, AppSecret); string resp = function.GetWebRequest("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + token + "&type=wx_card"); JsonData jsonObj = JsonMapper.ToObject(resp); string ticket = jsonObj["ticket"].ToString(); string timeStamp = function.ConvertDateTimeInt(DateTime.Now).ToString(); string nonce_str = function.get_Random(12); var pay_param = new SortedList { {"timeStamp", timeStamp}, {"nonceStr", nonce_str}, {"ticket", ticket} }; var pay_param_str = String.Join("&", pay_param.Select(item => String.Format("{0}={1}", item.Key.Trim(), item.Value)).ToArray()); string signature = new WeChat.WeChatPublicClass(_context).SHA1(pay_param_str); Dictionary cardExt = new Dictionary(); cardExt.Add("timestamp", timeStamp); cardExt.Add("nonce_str", nonce_str); cardExt.Add("signature", signature); return cardExt; } #endregion #region 服务商平台JSAPI下单 public Dictionary Pay(string SubMchId, decimal PayMoney, string OrderNo, string Description, string OpenId, string Key, string NotifyUrl, bool IsAct = false) { Dictionary return_result = new Dictionary(); int amount = (int)(PayMoney * 100); //具体请求参数 SortedList par = new SortedList(); par.Add("sp_appid", AppId); //服务商应用ID par.Add("sp_mchid", MchId); //服务商户号 par.Add("sub_mchid", SubMchId); //子商户号 par.Add("description", Description); //商品描述 par.Add("out_trade_no", OrderNo); //商户订单号 par.Add("notify_url", NotifyUrl); //服务商应用ID Dictionary settle_info = new Dictionary(); settle_info.Add("profit_sharing", IsAct); //是否指定分账 par.Add("settle_info", settle_info); //结算信息 Dictionary amountDic = new Dictionary(); amountDic.Add("total", amount); //总金额 par.Add("amount", amountDic); //订单金额 Dictionary payer = new Dictionary(); payer.Add("sp_openid", OpenId); //用户在服务商appid下的唯一标识 par.Add("payer", payer); //支付者 string req = Newtonsoft.Json.JsonConvert.SerializeObject(par); function.WriteLog(req, "服务商平台JSAPI下单请求参数"); try { function.WriteLog(serialNo, "服务商平台JSAPI下单请求参数"); function.WriteLog(Newtonsoft.Json.JsonConvert.SerializeObject(par), "服务商平台JSAPI下单请求参数"); string result = postJson("https://api.mch.weixin.qq.com/v3/pay/partner/transactions/jsapi", req, prikey, MchId, serialNo); function.WriteLog(result, "服务商平台JSAPI下单请求参数"); JsonData jsonObj = JsonMapper.ToObject(result); string timeStamp = function.ConvertDateTimeInt(DateTime.Now).ToString(); string nonce_str = function.get_Random(12); string package = "prepay_id=" + jsonObj["prepay_id"].ToString(); var pay_param = new SortedList { {"appId", AppId}, {"timeStamp", timeStamp}, {"nonceStr", nonce_str}, {"package", package}, {"signType", "RSA"} }; var pay_param_str = ""; pay_param_str += AppId + "\n"; pay_param_str += timeStamp + "\n"; pay_param_str += nonce_str + "\n"; pay_param_str += package + "\n"; string paySign = Sign(pay_param_str, prikey); return_result.Add("appId", AppId); return_result.Add("timeStamp", timeStamp); return_result.Add("nonceStr", nonce_str); return_result.Add("package", package); return_result.Add("paySign", paySign); } catch (Exception ex) { function.WriteLog(DateTime.Now.ToString() + "\r\n" + ex.ToString(), "服务商品台JSAPI下单异常"); } return return_result; } #endregion #region 服务商平台申请退款API public Dictionary Refund(string AppId, string MchId, string SubMchId, decimal RefundMoney, decimal TotalMoney, string OrderNo, string RefundNo, string Description, string OpenId, string Key, string NotifyUrl) { Dictionary return_result = new Dictionary(); int refund = (int)(RefundMoney * 100); int amount = (int)(TotalMoney * 100); //具体请求参数 SortedList par = new SortedList(); par.Add("sub_mchid", SubMchId); //子商户号 par.Add("out_trade_no", OrderNo); //商户订单号 par.Add("out_refund_no", RefundNo); //商户退款单号 Dictionary amountDic = new Dictionary(); amountDic.Add("refund", refund); //退款金额 amountDic.Add("total", amount); //原订单金额 amountDic.Add("currency", "CNY"); //退款币种 par.Add("amount", amountDic); //金额信息 string req = Newtonsoft.Json.JsonConvert.SerializeObject(par); function.WriteLog(req, "服务商平台申请退款API"); try { string merchantId = MchId; //商户号 string serialNo = "62B64854B768D344249FDB9E6EF4A1232C000E84"; //证书编号 string result = postJson("https://api.mch.weixin.qq.com/v3/refund/domestic/refunds", req, prikey, merchantId, serialNo); function.WriteLog(result, "服务商平台申请退款API"); JsonData jsonObj = JsonMapper.ToObject(result); return_result.Add("refund_id", jsonObj["refund_id"].ToString()); //微信支付退款单号 return_result.Add("channel", jsonObj["channel"].ToString()); //退款渠道 return_result.Add("user_received_account", jsonObj["user_received_account"].ToString()); //退款入账账户 return_result.Add("status", jsonObj["status"].ToString()); //退款状态 return_result.Add("payer_total", jsonObj["amount"]["payer_total"].ToString()); //用户支付金额 return_result.Add("payer_refund", jsonObj["amount"]["payer_refund"].ToString()); //用户退款金额 return_result.Add("settlement_refund", jsonObj["amount"]["settlement_refund"].ToString()); //应结退款金额 return_result.Add("settlement_total", jsonObj["amount"]["settlement_total"].ToString()); //应结订单金额 return_result.Add("discount_refund", jsonObj["amount"]["discount_refund"].ToString()); //优惠退款金额 } catch (Exception ex) { function.WriteLog(DateTime.Now.ToString() + "\r\n" + ex.ToString(), "服务商平台申请退款API异常"); } return return_result; } #endregion #region 服务商平台查询单笔退款API public Dictionary QueryRefund(string RefundNo) { Dictionary return_result = new Dictionary(); try { string result = function.GetWebRequest("https://api.mch.weixin.qq.com/v3/refund/domestic/refunds/" + RefundNo); JsonData jsonObj = JsonMapper.ToObject(result); return_result.Add("refund_id", jsonObj["refund_id"].ToString()); //微信支付退款单号 return_result.Add("transaction_id", jsonObj["transaction_id"].ToString()); //微信支付订单号 return_result.Add("out_trade_no", jsonObj["out_trade_no"].ToString()); //商户订单号 return_result.Add("channel", jsonObj["channel"].ToString()); //退款渠道 return_result.Add("user_received_account", jsonObj["user_received_account"].ToString()); //退款入账账户 return_result.Add("status", jsonObj["status"].ToString()); //退款状态 return_result.Add("total", jsonObj["amount"]["total"].ToString()); //订单金额 return_result.Add("refund", jsonObj["amount"]["refund"].ToString()); //退款金额 return_result.Add("payer_total", jsonObj["amount"]["payer_total"].ToString()); //用户支付金额 return_result.Add("payer_refund", jsonObj["amount"]["payer_refund"].ToString()); //用户退款金额 return_result.Add("settlement_refund", jsonObj["amount"]["settlement_refund"].ToString()); //应结退款金额 return_result.Add("settlement_total", jsonObj["amount"]["settlement_total"].ToString()); //应结订单金额 return_result.Add("discount_refund", jsonObj["amount"]["discount_refund"].ToString()); //优惠退款金额 } catch (Exception ex) { function.WriteLog(DateTime.Now.ToString() + "\r\n" + ex.ToString(), "服务商平台查询单笔退款API异常"); } return return_result; } #endregion #region 服务商平台请求分账API public string ProfitShare(string SubMchId, string TradeNo, string OrderNo, List Receivers) //有活动分0.62%，没活动不分账 { Dictionary result = new Dictionary(); result.Add("sub_mchid", SubMchId); //子商户号 result.Add("appid", AppId); //应用ID result.Add("transaction_id", TradeNo); //微信订单号 result.Add("out_order_no", OrderNo); //商户分账单号 result.Add("receivers", Receivers); //分账接收方列表 result.Add("unfreeze_unsplit", true); //是否解冻剩余未分资金 string req = Newtonsoft.Json.JsonConvert.SerializeObject(result); string resp = postJson("https://api.mch.weixin.qq.com/v3/profitsharing/orders", req, prikey, MchId, serialNo); return resp; //{"order_id":"30000104462023060249559178531","out_order_no":"2023060210583730173782834","receivers":[{"account":"1613112281","amount":3,"create_time":"2023-06-02T11:34:10+08:00","description":"服务费","detail_id":"36000104462023060269999025889","finish_time":"1970-01-01T08:00:00+08:00","result":"PENDING","type":"MERCHANT_ID"},{"account":"1645266943","amount":7,"create_time":"2023-06-02T11:34:10+08:00","description":"解冻给分账方","detail_id":"36000104462023060269999025890","finish_time":"1970-01-01T08:00:00+08:00","result":"PENDING","type":"MERCHANT_ID"}],"state":"PROCESSING","sub_mchid":"1645266943","transaction_id":"4200001833202306025522158377"} } #endregion #region 服务商平台请求分账回退API public string ProfitShareReturn(string SubMchId, string ReturnMchId, string OrderNo, string ReturnNo, decimal Amount) { int ReturnAmount = (int)(Amount * 100); Dictionary result = new Dictionary(); result.Add("sub_mchid", SubMchId); //子商户号 result.Add("out_order_no", OrderNo); //商户分账单号 result.Add("out_return_no", ReturnNo); //商户回退单号 result.Add("return_mchid", ReturnMchId); //回退商户号 result.Add("amount", ReturnAmount); //回退金额 result.Add("description", "用户退款"); //回退描述 string req = Newtonsoft.Json.JsonConvert.SerializeObject(result); string resp = postJson("https://api.mch.weixin.qq.com/v3/profitsharing/return-orders", req, prikey, MchId, serialNo); return resp; } #endregion #region 服务商平台添加分账接收方API public string AddReceive(string SubMchId, string TypeName, string Account, string Name, string Relation) { Dictionary result = new Dictionary(); result.Add("sub_mchid", SubMchId); //子商户号 result.Add("appid", AppId); //应用ID result.Add("type", TypeName); //分账接收方类型 MERCHANT_ID：商户ID PERSONAL_OPENID：个人openid（由父商户APPID转换得到） PERSONAL_SUB_OPENID：个人sub_openid（由子商户APPID转换得到） result.Add("account", Account); //分账接收方账号 if(!string.IsNullOrEmpty(Name)) { result.Add("name", RSAEncrypt(Name)); //分账个人接收方姓名 } result.Add("relation_type", Relation); //与分账方的关系类型 STORE：门店 STAFF：员工 STORE_OWNER：店主 PARTNER：合作伙伴 HEADQUARTER：总部 BRAND：品牌方 DISTRIBUTOR：分销商 USER：用户 SUPPLIER： 供应商 CUSTOM：自定义 string req = Newtonsoft.Json.JsonConvert.SerializeObject(result); string resp = postJson("https://api.mch.weixin.qq.com/v3/profitsharing/receivers/add", req, prikey, MchId, serialNo); return resp; //{"account":"1613112281","name":"x+8m5jM4x2jSZLDOpN46Js9JyeNgUXkFSmGjCBN45QcSYUNPN86TOheRF64WlwDeO45E/walWPeZSksNN/LfJiB2fZRVun1CJuJ7zxePma8L7iDbKS92i+d38rvOmNTjLhKX64O8oJR4HMtFw1HryxJlUFgM5/ickJ79WGrX3GaVArWisgEzwOyxGBfGSL3ofJhi5TdTnrxHMzqYWv43DRvI9Ja5eMgFbgrGcn+JiJVKQcYj1L8tZ6xQeQCXkY6ubyDiV9wQps2nQA1Oh+UdFcS13Ex4FUSYLCczGFAl4EV8TBJQleZeC1p4ZJquJjje0uMjI2xB6S41yUBoN86gkA==","relation_type":"PARTNER","sub_mchid":"1645266943","type":"MERCHANT_ID"} } #endregion #region 服务商平台查询分账结果API public string QueryProfitShare(string SubMchId, string TradeNo, string OrderNo) { string resp = postJson("https://api.mch.weixin.qq.com/v3/profitsharing/orders/" + OrderNo + "?sub_mchid=" + SubMchId + "&transaction_id=" + TradeNo, "", prikey, MchId, serialNo, "GET"); return resp; //{"order_id":"30000104462023060249559178531","out_order_no":"2023060210583730173782834","receivers":[{"account":"1613112281","amount":3,"create_time":"2023-06-02T11:34:10+08:00","description":"服务费","detail_id":"36000104462023060269999025889","finish_time":"2023-06-02T11:34:41+08:00","result":"SUCCESS","type":"MERCHANT_ID"},{"account":"1645266943","amount":7,"create_time":"2023-06-02T11:34:10+08:00","description":"解冻给分账方","detail_id":"36000104462023060269999025890","finish_time":"2023-06-02T11:34:41+08:00","result":"SUCCESS","type":"MERCHANT_ID"}],"state":"FINISHED","sub_mchid":"1645266943","transaction_id":"4200001833202306025522158377"} } #endregion #region 服务商平台解冻剩余资金API public string Unfreeze(string SubMchId, string TradeNo, string OrderNo, string Description) { Dictionary result = new Dictionary(); result.Add("sub_mchid", SubMchId); //子商户号 result.Add("transaction_id", TradeNo); //微信订单号 result.Add("out_order_no", OrderNo); //商户分账单号 result.Add("description", Description); //分账描述 string req = Newtonsoft.Json.JsonConvert.SerializeObject(result); string resp = postJson("https://api.mch.weixin.qq.com/v3/profitsharing/orders/unfreeze", req, prikey, MchId, serialNo); return resp; } #endregion #region 微信客服 public string CustomerServiceChat() { return "需要对接"; } #endregion #region 获取平台证书 public string GetPlatCert() { string merchantId = MchId; //商户号 string result = postJson("https://api.mch.weixin.qq.com/v3/certificates", "", prikey, merchantId, serialNo, "GET"); return result; //{"data":[{"effective_time":"2022-01-23T14:02:08+08:00","encrypt_certificate":{"algorithm":"AEAD_AES_256_GCM","associated_data":"certificate","ciphertext":"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","nonce":"92306d7e8732"},"expire_time":"2027-01-22T14:02:08+08:00","serial_no":"62B64854B768D344249FDB9E6EF4A1232C000E84"}]} } public string AesGcmDecrypt(string associatedData, string nonce, string ciphertext) { GcmBlockCipher gcmBlockCipher = new GcmBlockCipher(new AesEngine()); AeadParameters aeadParameters = new AeadParameters( new KeyParameter(Encoding.UTF8.GetBytes(AppConfig.WeChatParam.AesGemKey)), 128, Encoding.UTF8.GetBytes(nonce), Encoding.UTF8.GetBytes(associatedData)); gcmBlockCipher.Init(false, aeadParameters); byte[] data = Convert.FromBase64String(ciphertext); byte[] plaintext = new byte[gcmBlockCipher.GetOutputSize(data.Length)]; int length = gcmBlockCipher.ProcessBytes(data, 0, data.Length, plaintext, 0); gcmBlockCipher.DoFinal(plaintext, length); return Encoding.UTF8.GetString(plaintext); } public string GetPublicKey() { var result = Newtonsoft.Json.JsonConvert.DeserializeObject(GetPlatCert()); var cmodel = result.data.OrderByDescending(t => t.expire_time).FirstOrDefault(); string pubkey = AesGcmDecrypt(cmodel.encrypt_certificate.associated_data, cmodel.encrypt_certificate.nonce, cmodel.encrypt_certificate.ciphertext); pubkey = pubkey.Replace("-----BEGIN CERTIFICATE-----", "").Replace("-----END CERTIFICATE-----", "").Replace("\n", ""); return pubkey; } #endregion #region 敏感信息加密 string pubkey = "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"; string prikey = "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"; //私钥 public string RSAEncrypt(string text) { byte[] publicKey = Convert.FromBase64String(pubkey); // var rsa = RSA.Create(); // rsa.ImportRSAPublicKey(publicKey, out _); // var buff = rsa.Encrypt(Encoding.UTF8.GetBytes(text), RSAEncryptionPadding.OaepSHA1); // return Convert.ToBase64String(buff); using (var x509 = new X509Certificate2(publicKey)) { using (var rsa = x509.GetRSAPublicKey()) { var buff = rsa.Encrypt(Encoding.UTF8.GetBytes(text), RSAEncryptionPadding.OaepSHA1); return Convert.ToBase64String(buff); } } } public string postJson(string url, string postData, string privateKey, string merchantId, string serialNo, string method = "POST") { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Method = method; request.ContentType = "application/json;charset=UTF-8"; request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36"; request.Accept = "application/json"; string Authorization = GetAuthorization(url, method, postData, privateKey, merchantId, serialNo); request.Headers.Add("Authorization", Authorization); request.Headers.Add("Wechatpay-Serial", platSerialNo); if (!string.IsNullOrEmpty(postData)) { byte[] paramJsonBytes; paramJsonBytes = System.Text.Encoding.UTF8.GetBytes(postData); request.ContentLength = paramJsonBytes.Length; Stream writer; try { writer = request.GetRequestStream(); } catch (Exception) { writer = null; Console.Write("连接服务器失败!"); } writer.Write(paramJsonBytes, 0, paramJsonBytes.Length); writer.Close(); } HttpWebResponse response; try { response = (HttpWebResponse)request.GetResponse(); } catch (WebException ex) { response = ex.Response as HttpWebResponse; } Stream resStream = response.GetResponseStream(); StreamReader reader = new StreamReader(resStream); string text = reader.ReadToEnd(); return text; //{\"code\":\"PARAM_ERROR\",\"message\":\"请确认待处理的消息是否为加密后的密文\"} //{\"applyment_id\":2000002247709762} } #endregion #region 图片上传 public string GetMediaId(string imgPath) { if (string.IsNullOrEmpty(imgPath)) { return ""; } string key = "wechatpic:" + function.MD5_16(imgPath); string media_id = RedisDbconn.Instance.Get(key); if (!string.IsNullOrEmpty(media_id)) { return media_id; } string filePath = function.getPath(imgPath); var filename = Path.GetFileName(filePath); FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read); Byte[] imgBytesIn = new Byte[fs.Length]; fs.Read(imgBytesIn, 0, imgBytesIn.Length); fs.Close(); byte[] hash = SHA256Managed.Create().ComputeHash(imgBytesIn); StringBuilder builder = new StringBuilder(); for (int i = 0; i < hash.Length; i++) { builder.Append(hash[i].ToString("x2")); } var sha256 = builder.ToString(); string metaStr = "{\"filename\":\""+ filename + "\",\"sha256\":\"" + sha256 + "\"}"; media_id = UploadImgApi(metaStr, imgBytesIn, filename); return media_id; } public string UploadImgApi(string metaStr, Byte[] imgBytesIn,string filename) { string url = "https://api.mch.weixin.qq.com/v3/merchant/media/upload"; string merchantId = MchId; //商户号 string privateKey = prikey; #region 定义请求体中的内容 并转成二进制 string boundary = "lc199aecd61b4653ef"; string Enter = "\r\n"; string campaignIDStr1 = "--" + boundary + Enter + "Content-Disposition: form-data; name=\"meta\";" + Enter + "Content-Type:application/json;" + Enter + Enter + metaStr + Enter + "--" + boundary + Enter + "Content-Disposition:form-data;name=\"file\";filename=\""+ filename + "\";" + Enter + "Content-Type:image/jpeg" + Enter + Enter; byte[] byteData2 = imgBytesIn; string campaignIDStr3 = Enter + "--" + boundary + Enter; var byteData1 = System.Text.Encoding.UTF8.GetBytes(campaignIDStr1); var byteData3 = System.Text.Encoding.UTF8.GetBytes(campaignIDStr3); #endregion string transactionsResponse = UploadImg_postJson(url, byteData1, byteData2, byteData3, metaStr, privateKey, merchantId, serialNo, boundary, "POST"); var result=JsonMapper.ToObject(transactionsResponse); return result["media_id"].ToString(); } public string UploadImg_postJson(string url, byte[] b1, byte[] b2, byte[] b3, string metaStr, string privateKey, string merchantId, string serialNo, string boundary, string method = "POST") { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Method = method; //request.ContentType = "application/json;charset=UTF-8"; request.ContentType = "multipart/form-data;boundary=" + boundary; request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36"; request.Accept = "application/json"; string Authorization = GetAuthorization(url, method, metaStr, privateKey, merchantId, serialNo); request.Headers.Add("Authorization", Authorization); Stream writer; try { writer = request.GetRequestStream(); } catch (Exception) { writer = null; } writer.Write(b1, 0, b1.Length); writer.Write(b2, 0, b2.Length); writer.Write(b3, 0, b3.Length); writer.Close(); HttpWebResponse response; try { response = (HttpWebResponse)request.GetResponse(); } catch (WebException ex) { response = ex.Response as HttpWebResponse; } Stream resStream = response.GetResponseStream(); StreamReader reader = new StreamReader(resStream); string text = reader.ReadToEnd(); return text; } protected string GetAuthorization(string url, string method, string jsonParame, string privateKey, string merchantId, string serialNo) { var uri = new Uri(url); string urlPath = uri.PathAndQuery; string nonce = Guid.NewGuid().ToString(); var timestamp = DateTimeOffset.Now.ToUnixTimeSeconds(); //数据签名 HTTP请求方法\n接口地址的url\n请求时间戳\n请求随机串\n请求报文主体\n method = string.IsNullOrEmpty(method) ? "" : method; string message = string.Format("{0}\n{1}\n{2}\n{3}\n{4}\n", method, urlPath, timestamp, nonce, jsonParame); string signTxt = Sign(message, privateKey); //Authorization和格式 string authorzationTxt = string.Format("WECHATPAY2-SHA256-RSA2048 mchid=\"{0}\",nonce_str=\"{1}\",timestamp=\"{2}\",serial_no=\"{3}\",signature=\"{4}\"", merchantId, nonce, timestamp, serialNo, signTxt ); return authorzationTxt; } protected string Sign(string message, string privateKey) { byte[] keyData = Convert.FromBase64String(privateKey); byte[] data = System.Text.Encoding.UTF8.GetBytes(message); var rsa = RSA.Create(); rsa.ImportPkcs8PrivateKey(keyData, out _); return Convert.ToBase64String(rsa.SignData(data, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1)); // using (CngKey cngKey = CngKey.Import(keyData, CngKeyBlobFormat.Pkcs8PrivateBlob)) // using (RSACng rsa = new RSACng(cngKey)) // { // return Convert.ToBase64String(rsa.SignData(data, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1)); // } } #endregion #region 获取文件sha256 public string GetSha256(FileStream stream) { using (SHA256 mySHA256 = SHA256.Create()) { byte[] hashValue = mySHA256.ComputeHash(stream); return Encoding.UTF8.GetString(hashValue); } } #endregion #region 判断长期 public string CheckForever(DateTime? time) { if (time == null) { return ""; } if (time.Value.Year >= 2050) { return "长期"; } return time.Value.ToString("yyyy-MM-dd"); } #endregion } }