添加微信支付模块

Yi.Framework.Net6/Yi.Framework.WeChatPay/Core/Helper/PayApi.cs

@@ -0,0 +1,138 @@
+using FizzWare.NBuilder;
+using Microsoft.AspNetCore.Http;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Yi.Framework.WeChatPay.Exceptions;
+
+namespace Yi.Framework.WeChatPay.Core
+{
+    public class PayApi
+    {
+        private readonly IPayConfig _IPayConfig = null;
+        private readonly PayHttpService _PayHttpService = null;
+        public PayApi(IPayConfig payConfig, PayHttpService payHttpService)
+        {
+            this._IPayConfig = payConfig;
+            this._PayHttpService = payHttpService;
+        }
+
+        /**
+        * 
+        * 统一下单
+        * @param WxPaydata inputObj 提交给统一下单API的参数
+        * @param int timeOut 超时时间
+        * @throws WxPayException
+        * @return 成功时返回，其他抛异常
+        */
+        public PayData UnifiedOrder(PayData inputObj, int timeOut = 6)
+        {
+            string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
+            //检测必填参数
+            if (!inputObj.IsSet("out_trade_no"))
+            {
+                throw new PayException("缺少统一支付接口必填参数out_trade_no！");
+            }
+            else if (!inputObj.IsSet("body"))
+            {
+                throw new PayException("缺少统一支付接口必填参数body！");
+            }
+            else if (!inputObj.IsSet("total_fee"))
+            {
+                throw new PayException("缺少统一支付接口必填参数total_fee！");
+            }
+            else if (!inputObj.IsSet("trade_type"))
+            {
+                throw new PayException("缺少统一支付接口必填参数trade_type！");
+            }
+
+            //关联参数
+            if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
+            {
+                throw new PayException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
+            }
+            if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
+            {
+                throw new PayException("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
+            }
+
+            //异步通知url未设置，则使用配置文件中的url
+            /*if (!inputObj.IsSet("notify_url"))
+            {
+                inputObj.SetValue("notify_url", this._IWxPayConfig().GetNotifyUrl());//异步通知url
+            }*/
+
+            inputObj.SetValue("appid", this._IPayConfig.GetAppID());//公众账号ID
+            inputObj.SetValue("mch_id", this._IPayConfig.GetMchID());//商户号
+            inputObj.SetValue("spbill_create_ip", this._IPayConfig.GetIp());//终端ip	  	    
+            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
+            inputObj.SetValue("sign_type", PayData.SIGN_TYPE_HMAC_SHA256);//签名类型
+
+            //签名
+            inputObj.SetValue("sign", inputObj.MakeSign());
+            string xml = inputObj.ToXml();
+            // 发起http请求
+            string response = this._PayHttpService.Post(xml, url, false, timeOut);
+            PayData result = new PayData();
+            result.FromXml(response);
+
+            return result;
+        }
+
+        /**
+        *    
+        * 查询订单
+        * @param WxPayData inputObj 提交给查询订单API的参数
+        * @param int timeOut 超时时间
+        * @throws WxPayException
+        * @return 成功时返回订单查询结果，其他抛异常
+        */
+        public PayData OrderQuery(PayData inputObj, HttpContext httpContext, int timeOut = 6)
+        {
+            string url = "https://api.mch.weixin.qq.com/pay/orderquery";
+            //检测必填参数
+            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
+            {
+                throw new PayException("订单查询接口中，out_trade_no、transaction_id至少填一个！");
+            }
+
+            inputObj.SetValue("appid", this._IPayConfig.GetAppID());//公众账号ID
+            inputObj.SetValue("mch_id", this._IPayConfig.GetMchID());//商户号
+            inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
+            inputObj.SetValue("sign_type", PayData.SIGN_TYPE_HMAC_SHA256);//签名类型
+            inputObj.SetValue("sign", inputObj.MakeSign());//签名
+            string xml = inputObj.ToXml();
+            //Log.Debug("WxPayApi", "OrderQuery request : " + xml);
+            string response = this._PayHttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据
+            //Log.Debug("WxPayApi", "OrderQuery response : " + response);
+
+            //将xml格式的数据转化为对象以返回
+            PayData result = new PayData();
+            result.FromXml(response);
+
+            return result;
+        }
+
+        /**
+        * 生成时间戳，标准北京时间，时区为东八区，自1970年1月1日 0点0分0秒以来的秒数
+         * @return 时间戳
+        */
+        public static string GenerateTimeStamp()
+        {
+            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
+            return Convert.ToInt64(ts.TotalSeconds).ToString();
+        }
+
+        /**
+        * 生成随机串，随机串包含字母或数字
+        * @return 随机串
+        */
+        public static string GenerateNonceStr()
+        {
+            RandomGenerator randomGenerator = new RandomGenerator();
+            return randomGenerator.Int().ToString();
+        }
+    }
+}

Yi.Framework.Net6/Yi.Framework.WeChatPay/Core/Helper/PayData.cs

@@ -0,0 +1,322 @@
+using System;
+using System.Collections.Generic;
+using System.Web;
+using System.Xml;
+using System.Security.Cryptography;
+using System.Text;
+using System.Linq;
+using Newtonsoft.Json;
+using Yi.Framework.WeChatPay.Core;
+
+namespace Yi.Framework.WeChatPay.Core
+{
+    /// <summary>
+    /// 微信支付协议接口数据类，所有的API接口通信都依赖这个数据结构，
+    /// 在调用接口之前先填充各个字段的值，然后进行接口通信，
+    /// 这样设计的好处是可扩展性强，用户可随意对协议进行更改而不用重新设计数据结构，
+    /// 还可以随意组合出不同的协议数据包，不用为每个协议设计一个数据包结构
+    /// </summary>
+    public class PayData
+    {
+        public const string SIGN_TYPE_MD5 = "MD5";
+        public const string SIGN_TYPE_HMAC_SHA256 = "HMAC-SHA256";
+
+
+        //采用排序的Dictionary的好处是方便对数据包进行签名，不用再签名之前再做一次排序
+        private SortedDictionary<string, object> m_values = new SortedDictionary<string, object>();
+
+        /**
+        * 设置某个字段的值
+        * @param key 字段名
+         * @param value 字段值
+        */
+        public void SetValue(string key, object value)
+        {
+            m_values[key] = value;
+        }
+
+        /**
+        * 根据字段名获取某个字段的值
+        * @param key 字段名
+         * @return key对应的字段值
+        */
+        public object GetValue(string key)
+        {
+            object o = null;
+            m_values.TryGetValue(key, out o);
+            return o;
+        }
+
+        /**
+         * 判断某个字段是否已设置
+         * @param key 字段名
+         * @return 若字段key已被设置，则返回true，否则返回false
+         */
+        public bool IsSet(string key)
+        {
+            object o = null;
+            m_values.TryGetValue(key, out o);
+            if (null != o && !o.Equals(""))
+                return true;
+            else
+                return false;
+        }
+
+        /**
+        * @将Dictionary转成xml
+        * @return 经转换得到的xml串
+        * @throws WxPayException
+        **/
+        public string ToXml()
+        {
+            //数据为空时不能转化为xml格式
+            if (0 == m_values.Count)
+            {
+                throw new Exception("WxPayData数据为空!");
+            }
+
+            string xml = "<xml>";
+            foreach (KeyValuePair<string, object> pair in m_values)
+            {
+                //字段值不能为null，会影响后续流程
+                if (pair.Value == null)
+                {
+                    throw new Exception("WxPayData内部含有值为null的字段!");
+                }
+
+                if (pair.Value.GetType() == typeof(int))
+                {
+                    xml += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
+                }
+                else if (pair.Value.GetType() == typeof(string))
+                {
+                    xml += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">";
+                }
+                else//除了string和int类型不能含有其他数据类型
+                {
+                    throw new Exception("WxPayData字段数据类型错误!");
+                }
+            }
+            xml += "</xml>";
+            return xml;
+        }
+
+        /**
+        * @将xml转为WxPayData对象并返回对象内部的数据
+        * @param string 待转换的xml串
+        * @return 经转换得到的Dictionary
+        * @throws WxPayException
+        */
+        public SortedDictionary<string, object> FromXml(string xml)
+        {
+            if (string.IsNullOrEmpty(xml))
+            {
+                throw new Exception("将空的xml串转换为WxPayData不合法!");
+            }
+
+
+            SafeXmlDocument xmlDoc = new SafeXmlDocument();
+            xmlDoc.LoadXml(xml);
+            XmlNode xmlNode = xmlDoc.FirstChild;//获取到根节点<xml>
+            XmlNodeList nodes = xmlNode.ChildNodes;
+            foreach (XmlNode xn in nodes)
+            {
+                XmlElement xe = (XmlElement)xn;
+                m_values[xe.Name] = xe.InnerText;//获取xml的键值对到WxPayData内部的数据中
+            }
+
+            try
+            {
+                //2015-06-29 错误是没有签名
+                if (m_values["return_code"].ToString() != "SUCCESS")
+                {
+                    return m_values;
+                }
+                //验证签名,不通过会抛异常
+                CheckSign();
+            }
+            catch (Exception ex)
+            {
+                throw new Exception(ex.Message);
+            }
+
+            return m_values;
+        }
+
+        /**
+        * @Dictionary格式转化成url参数格式
+        * @ return url格式串, 该串不包含sign字段值
+        */
+        public string ToUrl()
+        {
+            string buff = "";
+            foreach (KeyValuePair<string, object> pair in m_values)
+            {
+                if (pair.Value == null)
+                {
+                    throw new Exception("WxPayData内部含有值为null的字段!");
+                }
+
+                if (pair.Key != "sign" && pair.Value.ToString() != "")
+                {
+                    buff += pair.Key + "=" + pair.Value + "&";
+                }
+            }
+            
+            buff = buff.Trim('&');
+            return buff;
+        }
+
+
+        /**
+        * @Dictionary格式化成Json
+         * @return json串数据
+        */
+        public string ToJson()
+        {
+            string jsonStr = JsonConvert.SerializeObject(m_values);
+            return jsonStr;
+
+        }
+
+        /**
+        * @values格式化成能在Web页面上显示的结果（因为web页面上不能直接输出xml格式的字符串）
+        */
+        public string ToPrintStr()
+        {
+            string str = "";
+            foreach (KeyValuePair<string, object> pair in m_values)
+            {
+                if (pair.Value == null)
+                {
+                    throw new Exception("WxPayData内部含有值为null的字段!");
+                }
+
+
+                str += string.Format("{0}={1}\n", pair.Key, pair.Value.ToString());
+            }
+            str = HttpUtility.HtmlEncode(str);
+            return str;
+        }
+
+
+        /**
+        * @生成签名，详见签名生成算法
+        * @return 签名, sign字段不参加签名
+        */
+        public string MakeSign(string signType)
+        {
+            //转url格式
+            string str = ToUrl();
+            //在string后加入API KEY
+            string apiKey = PayConfig.Current.GetKey();
+            str += "&key=" + apiKey;
+            if (signType == SIGN_TYPE_MD5)
+            {
+                var md5 = MD5.Create();
+                var bs = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
+                var sb = new StringBuilder();
+                foreach (byte b in bs)
+                {
+                    sb.Append(b.ToString("x2"));
+                }
+                //所有字符转为大写
+                return sb.ToString().ToUpper();
+            }
+            else if (signType == SIGN_TYPE_HMAC_SHA256)
+            {
+                return CalcHMACSHA256Hash(str, apiKey);
+            }
+            else
+            {
+                throw new Exception("sign_type 不合法");
+            }
+        }
+
+        /**
+        * @生成签名，详见签名生成算法
+        * @return 签名, sign字段不参加签名 SHA256
+        */
+        public string MakeSign()
+        {
+            return MakeSign(SIGN_TYPE_HMAC_SHA256);
+        }
+
+
+
+        /**
+        * 
+        * 检测签名是否正确
+        * 正确返回true，错误抛异常
+        */
+        public bool CheckSign(string signType)
+        {
+            //如果没有设置签名，则跳过检测
+            if (!IsSet("sign"))
+            {
+                throw new Exception("WxPayData签名存在但不合法!");
+            }
+            //如果设置了签名但是签名为空，则抛异常
+            else if (GetValue("sign") == null || GetValue("sign").ToString() == "")
+            {
+                throw new Exception("WxPayData签名存在但不合法!");
+            }
+
+            //获取接收到的签名
+            string return_sign = GetValue("sign").ToString();
+
+            //在本地计算新的签名
+            string cal_sign = MakeSign(signType);
+
+            if (cal_sign == return_sign)
+            {
+                return true;
+            }
+
+            throw new Exception("WxPayData签名验证错误!");
+        }
+
+
+
+        /**
+        * 
+        * 检测签名是否正确
+        * 正确返回true，错误抛异常
+        */
+        public bool CheckSign()
+        {
+            return CheckSign(SIGN_TYPE_HMAC_SHA256);
+        }
+
+        /**
+        * @获取Dictionary
+        */
+        public SortedDictionary<string, object> GetValues()
+        {
+            return m_values;
+        }
+
+
+        private string CalcHMACSHA256Hash(string plaintext, string salt)
+        {
+            string result = "";
+            var enc = Encoding.Default;
+            byte[]
+            baText2BeHashed = enc.GetBytes(plaintext),
+            baSalt = enc.GetBytes(salt);
+            HMACSHA256 hasher = new HMACSHA256(baSalt);
+            byte[] baHashedText = hasher.ComputeHash(baText2BeHashed);
+            result = string.Join("", baHashedText.ToList().Select(b => b.ToString("x2")).ToArray());
+            return result.ToUpper();
+        }
+
+
+        private class SafeXmlDocument : XmlDocument
+        {
+            public SafeXmlDocument()
+            {
+                this.XmlResolver = null;
+            }
+        }
+    }
+}

Yi.Framework.Net6/Yi.Framework.WeChatPay/Core/Helper/PayHelper.cs

@@ -0,0 +1,178 @@
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using Yi.Framework.WeChatPay.Options;
+
+namespace Yi.Framework.WeChatPay.Core
+{
+    public class PayHelper
+    {
+        public static readonly string KEY_PAY_PREFIX = "order:pay:url:";
+        private readonly IPayConfig _IPayConfig = null;
+        private readonly PayApi _PayApi = null;
+
+        private HttpContext _httpContext;
+        public PayHelper(IPayConfig PayConfig, PayApi PayApi, IHttpContextAccessor httpContextAccessor)
+        {
+            this._IPayConfig = PayConfig;
+            this._PayApi = PayApi;
+            this._httpContext = httpContextAccessor.HttpContext;
+        }
+
+        /// <summary>
+        /// 创建支付连接
+        /// </summary>
+        /// <param name="orderId"></param>
+        /// <param name="description"></param>
+        /// <param name="totalPay"></param>
+        /// <param name="httpContext"></param>
+        /// <returns></returns>
+        public string CreatePayUrl(long orderId, string description, long totalPay)
+        {
+            // 定义返回的支付连接
+            string url;
+            try
+            {
+                // 构建支付需要的参数对象
+                PayData data = new PayData();
+                //描述
+                data.SetValue("body", description);
+                //订单号
+                data.SetValue("out_trade_no", orderId.ToString());
+                data.SetValue("product_id", orderId.ToString());
+                //货币（默认就是人民币）
+                data.SetValue("fee_type", "CNY");
+                //TODO 总金额 （模拟1分钱， 线上环境换成真实价格）
+                data.SetValue("total_fee", /*totalPay.ToString()*/ 1); // 单位是分
+                //调用微信支付的终端ip
+                data.SetValue("spbill_create_ip", "0.0.0.0");
+                //回调地址
+                data.SetValue("notify_url", this._IPayConfig.GetNotifyUrl());
+                //交易类型为扫码支付
+                data.SetValue("trade_type", "NATIVE");
+
+                PayData result = this._PayApi.UnifiedOrder(data);//调用统一下单接口
+                url = result.GetValue("code_url").ToString();//获得统一下单接口返回的二维码链接
+            }
+            catch (Exception e)
+            {
+                throw new Exception("生成支付链接连接失败", e);
+            }
+
+            return url;
+        }
+
+
+        /// <summary>
+        /// （调用微信API）根据订单ID查询订单信息,全部信息
+        /// </summary>
+        /// <param name="transaction_id"></param>
+        /// <returns></returns>
+        public PayData QueryOrderById(long orderId)
+        {
+            PayData req = new PayData();
+            req.SetValue("out_trade_no", orderId.ToString());
+            PayData res = this._PayApi.OrderQuery(req, _httpContext);
+            return res;// 返回查询数据
+        }
+
+
+
+
+        public static PayOptions GetPayOptions(string path)
+        {
+            string config = File.ReadAllText(path);
+            var option = JsonConvert.DeserializeObject<PayOptions>(config);
+            Console.WriteLine($"configPath={path} AppID={option.AppID}");
+            return option;
+        }
+
+        /// <summary>
+        /// 生成二维码方法
+        /// </summary>
+        /// <param name="text">输入的字符串</param>
+        /// <param name="width">二维码宽度</param>
+        /// <param name="height">二维码高度</param>
+        /// <returns></returns>
+        public static string QRcode(string text, int width = 360, int height = 360)
+        {
+
+            //这里要感谢一下http://old.wwei.cn/
+            Dictionary<string, string> dic = new()
+            {
+                { "qrid", "0" },
+                { "data[type]", "index" },
+                { "data[text]", text },
+                { "moban_id", "0" },
+                { "size", "300" },
+                { "level", "M" },
+                { "moban_type", "qrcpu" },
+                { "style_setting[protype]", "1" },
+                { "style_setting[ptcolor]", "#000000" },
+                { "style_setting[inptcolor]", "#000000" },
+                { "style_setting[fcolor]", "#000000" },
+                { "style_setting[bcolor]", "#ffffff" },
+                { "style_setting[mbtype_hb]", "0" },
+                { "style_setting[logo_id]", "" },
+                { "style_setting[logo_width]", "46" },
+                { "style_setting[logo_height]", "46" },
+                { "style_setting[logo_border]", "0" }
+
+            };
+
+
+            StringBuilder builder = new StringBuilder();
+            int i = 0;
+            if (dic.Count > 0)
+            {
+                foreach (var item in dic)
+                {
+                    if (i > 0)
+                        builder.Append("&");
+                    builder.AppendFormat("{0}={1}", item.Key, item.Value);
+                    i++;
+                }
+            }
+
+            string postDataStr = builder.ToString();
+
+
+#pragma warning disable SYSLIB0014 // 类型或成员已过时
+            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://old.wwei.cn/qrcode-wwei_create.html");
+#pragma warning restore SYSLIB0014 // 类型或成员已过时
+
+            request.Method = "POST";
+            request.ContentType = "application/x-www-form-urlencoded";
+            request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
+            request.Headers.Add("Host", "old.wwei.cn");
+            request.Headers.Add("User-Agent", "PostmanRuntime/6.66.6");
+            request.Headers.Add("Origin", "http://old.wwei.cn");
+            request.Headers.Add("Referer", "http://old.wwei.cn/");
+
+            Stream myRequestStream = request.GetRequestStream();
+            StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("utf-8"));
+            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();
+
+            var json = Newtonsoft.Json.JsonConvert.DeserializeObject<JObject>(retString);
+            var data = json["data"].ToString();
+
+            return data;
+
+        }
+    }
+}

Yi.Framework.Net6/Yi.Framework.WeChatPay/Core/Helper/PayHttpService.cs

@@ -0,0 +1,196 @@
+using System;
+using System.Collections.Generic;
+using System.Web;
+using System.Net;
+using System.IO;
+using System.Text;
+using System.Net.Security;
+using System.Security.Authentication;
+using System.Security.Cryptography.X509Certificates;
+using Microsoft.AspNetCore.Http;
+using Yi.Framework.WeChatPay.Exceptions;
+
+namespace Yi.Framework.WeChatPay.Core
+{
+    /// <summary>
+    /// http连接基础类，负责底层的http通信
+    /// </summary>
+    public class PayHttpService
+    {
+        private readonly IPayConfig _IPayConfig = null;
+        private readonly HttpContext _httpContext = null;
+        public PayHttpService(IPayConfig PayConfig, IHttpContextAccessor httpContextAccessor)
+        {
+            this._IPayConfig = PayConfig;
+            this._httpContext = httpContextAccessor.HttpContext;
+        }
+
+        public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
+        {
+            //直接确认，否则打不开    
+            return true;
+        }
+
+        public string Post(string xml, string url, bool isUseCert, int timeout)
+        {
+            System.GC.Collect();//垃圾回收，回收没有正常关闭的http连接
+
+            string result = "";//返回结果
+
+
+            HttpWebRequest request = null;
+            HttpWebResponse response = null;
+            Stream reqStream = null;
+
+            try
+            {
+                //设置最大连接数
+                ServicePointManager.DefaultConnectionLimit = 200;
+                //设置https验证方式
+                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
+                {
+                    ServicePointManager.ServerCertificateValidationCallback =
+                            new RemoteCertificateValidationCallback(CheckValidationResult);
+                }
+
+                /***************************************************************
+                * 下面设置HttpWebRequest的相关属性
+                * ************************************************************/
+#pragma warning disable SYSLIB0014 // 类型或成员已过时
+                request = (HttpWebRequest)WebRequest.Create(url);
+#pragma warning restore SYSLIB0014 // 类型或成员已过时
+                request.UserAgent = string.Format("WXPaySDK/{3} ({0}) .net/{1} {2}", Environment.OSVersion, Environment.Version, this._IPayConfig.GetMchID(), typeof(PayHttpService).Assembly.GetName().Version);
+                request.Method = "POST";
+                request.Timeout = timeout * 1000;
+
+                //设置POST的数据类型和长度
+                request.ContentType = "text/xml";
+                byte[] data = Encoding.UTF8.GetBytes(xml);
+                request.ContentLength = data.Length;
+
+
+                if (isUseCert)//是否使用证书--没用证书
+                {
+                    string path = _httpContext.Request.Path;
+                    X509Certificate2 cert = new X509Certificate2(path + this._IPayConfig.GetSSlCertPath(), this._IPayConfig.GetSSlCertPassword());
+                    request.ClientCertificates.Add(cert);
+                }
+
+                //往服务器写入数据
+                reqStream = request.GetRequestStream();
+                reqStream.Write(data, 0, data.Length);
+                reqStream.Close();
+
+                //获取服务端返回
+                response = (HttpWebResponse)request.GetResponse();
+
+                //获取服务端返回数据
+                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
+                result = sr.ReadToEnd().Trim();
+                sr.Close();
+            }
+            catch (System.Threading.ThreadAbortException)
+            {
+#pragma warning disable SYSLIB0006 // 类型或成员已过时
+                Thread.ResetAbort();
+#pragma warning restore SYSLIB0006 // 类型或成员已过时
+            }
+            catch (WebException e)
+            {
+                if (e.Status == WebExceptionStatus.ProtocolError)
+                {
+                    throw new PayException(e.ToString());
+                }
+
+            }
+            catch (Exception e)
+            {
+                throw new PayException(e.ToString());
+            }
+            finally
+            {
+                //关闭连接和流
+                if (response != null)
+                {
+                    response.Close();
+                }
+                if (request != null)
+                {
+                    request.Abort();
+                }
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 处理http GET请求，返回数据
+        /// </summary>
+        /// <param name="url">请求的url地址</param>
+        /// <returns>http GET成功后返回的数据，失败抛WebException异常</returns>
+        public string Get(string url)
+        {
+            System.GC.Collect();
+            string result = "";
+
+            HttpWebRequest request = null;
+            HttpWebResponse response = null;
+
+            //请求url以获取数据
+            try
+            {
+                //设置最大连接数
+                ServicePointManager.DefaultConnectionLimit = 200;
+                //设置https验证方式
+                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
+                {
+                    ServicePointManager.ServerCertificateValidationCallback =
+                            new RemoteCertificateValidationCallback(CheckValidationResult);
+                }
+
+                /***************************************************************
+                * 下面设置HttpWebRequest的相关属性
+                * ************************************************************/
+#pragma warning disable SYSLIB0014 // 类型或成员已过时
+                request = (HttpWebRequest)WebRequest.Create(url);
+#pragma warning restore SYSLIB0014 // 类型或成员已过时
+                request.UserAgent = string.Format("WXPaySDK/{3} ({0}) .net/{1} {2}", Environment.OSVersion, Environment.Version, this._IPayConfig.GetMchID(), typeof(PayHttpService).Assembly.GetName().Version);
+                request.Method = "GET";
+
+                //获取服务器返回
+                response = (HttpWebResponse)request.GetResponse();
+
+                //获取HTTP返回数据
+                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
+                result = sr.ReadToEnd().Trim();
+                sr.Close();
+            }
+            catch (System.Threading.ThreadAbortException)
+            {
+#pragma warning disable SYSLIB0006 // 类型或成员已过时
+                Thread.ResetAbort();
+#pragma warning restore SYSLIB0006 // 类型或成员已过时
+            }
+            catch (WebException e)
+            {
+                throw new PayException(e.ToString());
+            }
+            catch (Exception e)
+            {
+                throw new PayException(e.ToString());
+            }
+            finally
+            {
+                //关闭连接和流
+                if (response != null)
+                {
+                    response.Close();
+                }
+                if (request != null)
+                {
+                    request.Abort();
+                }
+            }
+            return result;
+        }
+    }
+}