.net core 支付宝,微信支付 二
源码: https://github.com/aspros-luo/Qwerty.Payment/tree/develop
今天开始微信支付
微信支付坑比较多,支付流程也不太一样,微信支付需要先生成预支付单,然后再具体调用
具体参考微信sdk
1:微信支付主体,用于存储键值字典,等相关方法
- internal class WxPayData
- {
- public WxPayData()
- {
- }
- //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)
- 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 ( == 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!");
- }
- XmlDocument xmlDoc = new XmlDocument();
- 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;
- }
- CheckSign();//验证签名,不通过会抛异常
- }
- 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}<br>", pair.Key, pair.Value.ToString());
- }
- 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()
- {
- //转url格式
- string str = ToUrl();
- //在string后加入API KEY
- str += "&key=" + WxPayConfig.KEY;
- //MD5加密
- 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();
- }
- /**
- *
- * 检测签名是否正确
- * 正确返回true,错误抛异常
- */
- public bool CheckSign()
- {
- //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();
- if (cal_sign == return_sign)
- {
- return true;
- }
- throw new Exception("WxPayData签名验证错误!");
- }
- /**
- * @获取Dictionary
- */
- public SortedDictionary<string, object> GetValues()
- {
- return m_values;
- }
- }
2:微信支付api类,主要用于一些基础方法,生成时间戳,随机字符,快速上报,退款,退款查询等功能,详见代码,
- internal class WxPayApi
- {
- /**
- * 提交被扫支付API
- * 收银员使用扫码设备读取微信用户刷卡授权码以后,二维码或条码信息传送至商户收银台,
- * 由商户收银台或者商户后台调用该接口发起支付。
- * @param WxPayData inputObj 提交给被扫支付API的参数
- * @param int timeOut 超时时间
- * @throws WxPayException
- * @return 成功时返回调用结果,其他抛异常
- */
- public static async Task<WxPayData> Micropay(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/pay/micropay";
- //检测必填参数
- if (!inputObj.IsSet("body"))
- {
- throw new Exception("提交被扫支付API接口中,缺少必填参数body!");
- }
- else if (!inputObj.IsSet("out_trade_no"))
- {
- throw new Exception("提交被扫支付API接口中,缺少必填参数out_trade_no!");
- }
- else if (!inputObj.IsSet("total_fee"))
- {
- throw new Exception("提交被扫支付API接口中,缺少必填参数total_fee!");
- }
- else if (!inputObj.IsSet("auth_code"))
- {
- throw new Exception("提交被扫支付API接口中,缺少必填参数auth_code!");
- }
- inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;//请求开始时间
- string response = await HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
- //将xml格式的结果转换为对象以返回
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- 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 static async Task<WxPayData> OrderQuery(WxPayData inputObj, int timeOut = )
- {
- 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 Exception("订单查询接口中,out_trade_no、transaction_id至少填一个!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;
- string response = await HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
- //将xml格式的数据转化为对象以返回
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 撤销订单API接口
- * @param WxPayData inputObj 提交给撤销订单API接口的参数,out_trade_no和transaction_id必填一个
- * @param int timeOut 接口超时时间
- * @throws WxPayException
- * @return 成功时返回API调用结果,其他抛异常
- */
- public static async Task<WxPayData> Reverse(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/secapi/pay/reverse";
- //检测必填参数
- if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
- {
- throw new Exception("撤销订单API接口中,参数out_trade_no和transaction_id必须填写一个!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;//请求开始时间
- string response = await HttpService.Post(xml, url, true, timeOut);
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 申请退款
- * @param WxPayData inputObj 提交给申请退款API的参数
- * @param int timeOut 超时时间
- * @throws WxPayException
- * @return 成功时返回接口调用结果,其他抛异常
- */
- public static async Task<WxPayData> Refund(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
- //检测必填参数
- if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
- {
- throw new Exception("退款申请接口中,out_trade_no、transaction_id至少填一个!");
- }
- else if (!inputObj.IsSet("out_refund_no"))
- {
- throw new Exception("退款申请接口中,缺少必填参数out_refund_no!");
- }
- else if (!inputObj.IsSet("total_fee"))
- {
- throw new Exception("退款申请接口中,缺少必填参数total_fee!");
- }
- else if (!inputObj.IsSet("refund_fee"))
- {
- throw new Exception("退款申请接口中,缺少必填参数refund_fee!");
- }
- else if (!inputObj.IsSet("op_user_id"))
- {
- throw new Exception("退款申请接口中,缺少必填参数op_user_id!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;
- string response = await HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
- //将xml格式的结果转换为对象以返回
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 查询退款
- * 提交退款申请后,通过该接口查询退款状态。退款有一定延时,
- * 用零钱支付的退款20分钟内到账,银行卡支付的退款3个工作日后重新查询退款状态。
- * out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个
- * @param WxPayData inputObj 提交给查询退款API的参数
- * @param int timeOut 接口超时时间
- * @throws WxPayException
- * @return 成功时返回,其他抛异常
- */
- public static async Task<WxPayData> RefundQuery(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/pay/refundquery";
- //检测必填参数
- if (!inputObj.IsSet("out_refund_no") && !inputObj.IsSet("out_trade_no") &&
- !inputObj.IsSet("transaction_id") && !inputObj.IsSet("refund_id"))
- {
- throw new Exception("退款查询接口中,out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;//请求开始时间
- string response = await HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
- //将xml格式的结果转换为对象以返回
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- * 下载对账单
- * @param WxPayData inputObj 提交给下载对账单API的参数
- * @param int timeOut 接口超时时间
- * @throws WxPayException
- * @return 成功时返回,其他抛异常
- */
- public static async Task<WxPayData> DownloadBill(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/pay/downloadbill";
- //检测必填参数
- if (!inputObj.IsSet("bill_date"))
- {
- throw new Exception("对账单接口中,缺少必填参数bill_date!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- string response = await HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
- WxPayData result = new WxPayData();
- //若接口调用失败会返回xml格式的结果
- if (response.Substring(, ) == "<xml>")
- {
- result.FromXml(response);
- }
- //接口调用成功则返回非xml格式的数据
- else
- result.SetValue("result", response);
- return result;
- }
- /**
- *
- * 转换短链接
- * 该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX),
- * 减小二维码数据量,提升扫描速度和精确度。
- * @param WxPayData inputObj 提交给转换短连接API的参数
- * @param int timeOut 接口超时时间
- * @throws WxPayException
- * @return 成功时返回,其他抛异常
- */
- public static async Task<WxPayData> ShortUrl(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/tools/shorturl";
- //检测必填参数
- if (!inputObj.IsSet("long_url"))
- {
- throw new Exception("需要转换的URL,签名用原串,传输需URL encode!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;//请求开始时间
- string response = await HttpService.Post(xml, url, false, timeOut);
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 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 static async Task<WxPayData> UnifiedOrder(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
- //检测必填参数
- if (!inputObj.IsSet("out_trade_no"))
- {
- throw new Exception("缺少统一支付接口必填参数out_trade_no!");
- }
- else if (!inputObj.IsSet("body"))
- {
- throw new Exception("缺少统一支付接口必填参数body!");
- }
- else if (!inputObj.IsSet("total_fee"))
- {
- throw new Exception("缺少统一支付接口必填参数total_fee!");
- }
- else if (!inputObj.IsSet("trade_type"))
- {
- throw new Exception("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 Exception("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 Exception("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", WxPayConfig.NOTIFY_URL);//异步通知url
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- //inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- //签名
- inputObj.SetValue("sign", inputObj.MakeSign());
- string xml = inputObj.ToXml();
- var start = DateTime.Now;
- string response = await HttpService.Post(xml, url, false, timeOut);
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 关闭订单
- * @param WxPayData inputObj 提交给关闭订单API的参数
- * @param int timeOut 接口超时时间
- * @throws WxPayException
- * @return 成功时返回,其他抛异常
- */
- public static async Task<WxPayData> CloseOrder(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/pay/closeorder";
- //检测必填参数
- if (!inputObj.IsSet("out_trade_no"))
- {
- throw new Exception("关闭订单接口中,out_trade_no必填!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- var start = DateTime.Now;//请求开始时间
- string response = await HttpService.Post(xml, url, false, timeOut);
- var end = DateTime.Now;
- int timeCost = (int)((end - start).TotalMilliseconds);
- WxPayData result = new WxPayData();
- result.FromXml(response);
- ReportCostTime(url, timeCost, result);//测速上报
- return result;
- }
- /**
- *
- * 测速上报
- * @param string interface_url 接口URL
- * @param int timeCost 接口耗时
- * @param WxPayData inputObj参数数组
- */
- private static async void ReportCostTime(string interfaceUrl, int timeCost, WxPayData inputObj)
- {
- //如果不需要进行上报
- //如果仅失败上报
- if (inputObj.IsSet("return_code") && inputObj.GetValue("return_code").ToString() == "SUCCESS" &&
- inputObj.IsSet("result_code") && inputObj.GetValue("result_code").ToString() == "SUCCESS")
- {
- return;
- }
- //上报逻辑
- WxPayData data = new WxPayData();
- data.SetValue("interface_url", interfaceUrl);
- data.SetValue("execute_time_", timeCost);
- //返回状态码
- if (inputObj.IsSet("return_code"))
- {
- data.SetValue("return_code", inputObj.GetValue("return_code"));
- }
- //返回信息
- if (inputObj.IsSet("return_msg"))
- {
- data.SetValue("return_msg", inputObj.GetValue("return_msg"));
- }
- //业务结果
- if (inputObj.IsSet("result_code"))
- {
- data.SetValue("result_code", inputObj.GetValue("result_code"));
- }
- //错误代码
- if (inputObj.IsSet("err_code"))
- {
- data.SetValue("err_code", inputObj.GetValue("err_code"));
- }
- //错误代码描述
- if (inputObj.IsSet("err_code_des"))
- {
- data.SetValue("err_code_des", inputObj.GetValue("err_code_des"));
- }
- //商户订单号
- if (inputObj.IsSet("out_trade_no"))
- {
- data.SetValue("out_trade_no", inputObj.GetValue("out_trade_no"));
- }
- //设备号
- if (inputObj.IsSet("device_info"))
- {
- data.SetValue("device_info", inputObj.GetValue("device_info"));
- }
- try
- {
- await Report(data);
- }
- catch (Exception)
- {
- //不做任何处理
- }
- }
- /**
- *
- * 测速上报接口实现
- * @param WxPayData inputObj 提交给测速上报接口的参数
- * @param int timeOut 测速上报接口超时时间
- * @throws WxPayException
- * @return 成功时返回测速上报接口返回的结果,其他抛异常
- */
- public static async Task<WxPayData> Report(WxPayData inputObj, int timeOut = )
- {
- string url = "https://api.mch.weixin.qq.com/payitil/report";
- //检测必填参数
- if (!inputObj.IsSet("interface_url"))
- {
- throw new Exception("接口URL,缺少必填参数interface_url!");
- }
- if (!inputObj.IsSet("return_code"))
- {
- throw new Exception("返回状态码,缺少必填参数return_code!");
- }
- if (!inputObj.IsSet("result_code"))
- {
- throw new Exception("业务结果,缺少必填参数result_code!");
- }
- if (!inputObj.IsSet("user_ip"))
- {
- throw new Exception("访问接口IP,缺少必填参数user_ip!");
- }
- if (!inputObj.IsSet("execute_time_"))
- {
- throw new Exception("接口耗时,缺少必填参数execute_time_!");
- }
- inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
- inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- inputObj.SetValue("user_ip", WxPayConfig.IP);//终端ip
- inputObj.SetValue("time", DateTime.Now.ToString("yyyyMMddHHmmss"));//商户上报时间
- inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
- inputObj.SetValue("sign", inputObj.MakeSign());//签名
- string xml = inputObj.ToXml();
- string response = await HttpService.Post(xml, url, false, timeOut);
- WxPayData result = new WxPayData();
- result.FromXml(response);
- return result;
- }
- /**
- * 根据当前系统时间加随机序列来生成订单号
- * @return 订单号
- */
- public static string GenerateOutTradeNo()
- {
- var ran = new Random();
- return string.Format("{0}{1}{2}", WxPayConfig.MCHID, DateTime.Now.ToString("yyyyMMddHHmmss"), ran.Next());
- }
- /**
- * 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(, , , , , , );
- 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()
- {
- return Guid.NewGuid().ToString().Replace("-", "");
- }
- }
3:支付业务主体类,这里要优先解决app支付,app支付的坑比较多
- internal class AppPay
- {
- public async Task<WxPayData> Run(string body, string outTradeNo, int totalFee)
- {
- var data = new WxPayData();
- data.SetValue("body", body);//商品描述
- //data.SetValue("attach", outTradeIds);//附加数据
- data.SetValue("out_trade_no", outTradeNo);//随机字符串
- data.SetValue("total_fee", totalFee);//总金额
- data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));//交易起始时间
- data.SetValue("time_expire", DateTime.Now.AddMinutes().ToString("yyyyMMddHHmmss"));//交易结束时间
- //data.SetValue("goods_tag", "jjj");//商品标记
- data.SetValue("trade_type", "APP");//交易类型
- var result = await WxPayApi.UnifiedOrder(data);//调用统一下单接口
- return result;
- }
- }
创建支付主体类,将支付信息填充进去,调用wxapi统一下单方法,返回数据
因为app支付需要二次加签,所以返回的数据需要解析后,再次加签,将返回的数据给app调用sdk支付
二次加签方法:
- public string AppSign(string preJson)
- {
- var dic = JsonConvert.DeserializeObject<Dictionary<string, string>>(preJson);
- var data = new WxPayData();
- data.SetValue("appid", dic["appid"]);
- data.SetValue("partnerid", dic["mch_id"]);
- data.SetValue("prepayid", dic["prepay_id"]);
- data.SetValue("package", "Sign=WXPay");
- data.SetValue("noncestr", WxPayApi.GenerateNonceStr());
- data.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
- data.SetValue("sign", data.MakeSign());
- return data.ToJson();
- }
值得注意的地方是:
a.timestamp用当前时间戳在Android端亦是可行,iOS不行,所以这里依然使用wxpayapi里面的获取时间戳方法
b.partnerid对应的是mchid,即商户号
其他支付业务类
- /// <summary>
- /// 微信公众号支付
- /// </summary>
- internal class JsApiPay
- {
- /// <summary>
- /// 保存页面对象,因为要在类的方法中使用Page的Request对象
- /// </summary>
- //private HttpContext page { get; set; }
- /// <summary>
- /// openid用于调用统一下单接口
- /// </summary>
- //public string openid { get; set; }
- /// <summary>
- /// access_token用于获取收货地址js函数入口参数
- /// </summary>
- //public string access_token { get; set; }
- /// <summary>
- /// 商品金额,用于统一下单
- /// </summary>
- //public int total_fee { get; set; }
- /// <summary>
- /// 统一下单接口返回结果
- /// </summary>
- private WxPayData _unifiedOrderResult { get; set; }
- //public JsApiPay(HttpContext page)
- //{
- // this.page = page;
- //}
- public JsApiPay()
- {
- }
- /**
- *
- * 网页授权获取用户基本信息的全部过程
- * 详情请参看网页授权获取用户基本信息:http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
- * 第一步:利用url跳转获取code
- * 第二步:利用code去获取openid和access_token
- *
- */
- //public void GetOpenidAndAccessToken(string tradeId)
- //{
- // if (!string.IsNullOrEmpty(page.Request.Form["code"]))
- // {
- // //获取code码,以获取openid和access_token
- // string code = page.Request.Form["code"];
- // //Log.Debug(this.GetType().ToString(), "Get code : " + code);
- // GetOpenidAndAccessTokenFromCode(code);
- // }
- // else
- // {
- // //构造网页授权获取code的URL
- // string redirect_uri = WebUtility.UrlEncode("http://m.aiqinhaigou.com/payment/wechat_callback.html?tradeId=" + tradeId);
- // WxPayData data = new WxPayData();
- // data.SetValue("appid", WxPayConfig.APPID);
- // data.SetValue("redirect_uri", redirect_uri);
- // data.SetValue("response_type", "code");
- // data.SetValue("scope", "snsapi_base");
- // data.SetValue("state", "STATE" + "#wechat_redirect");
- // string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
- // //Log.Debug(this.GetType().ToString(), "Will Redirect to URL : " + url);
- // try
- // {
- // //触发微信返回code码
- // page.Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常,不用处理这个异常
- // }
- // catch (Exception ex)
- // {
- // throw new Exception(ex.ToString());
- // }
- // }
- //}
- /// <summary>
- /// 获取回Openid
- /// </summary>
- /// <returns></returns>
- //public string GetOauthCode(string tradeId)
- //{
- // //构造网页授权获取code的URL
- // string redirect_uri = WebUtility.UrlEncode("http://m.aiqinhaigou.com/payment/wechat_callback.html?tradeId=" + tradeId);
- // WxPayData data = new WxPayData();
- // data.SetValue("appid", WxPayConfig.APPID);
- // data.SetValue("redirect_uri", redirect_uri);
- // data.SetValue("response_type", "code");
- // data.SetValue("scope", "snsapi_base");
- // data.SetValue("state", "STATE" + "#wechat_redirect");
- // var url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
- // //LogManager.GetLogger(typeof(JsApiPay)).Info("微信支付回调地址:{0}", redirect_uri);
- // return url;
- //}
- /**
- *
- * 通过code换取网页授权access_token和openid的返回数据,正确时返回的JSON数据包如下:
- * {
- * "access_token":"ACCESS_TOKEN",
- * "expires_in":7200,
- * "refresh_token":"REFRESH_TOKEN",
- * "openid":"OPENID",
- * "scope":"SCOPE",
- * "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"
- * }
- * 其中access_token可用于获取共享收货地址
- * openid是微信支付jsapi支付接口统一下单时必须的参数
- * 更详细的说明请参考网页授权获取用户基本信息:http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
- * @失败时抛异常WxPayException
- */
- //public void GetOpenidAndAccessTokenFromCode(string code)
- //{
- // try
- // {
- // //构造获取openid及access_token的url
- // WxPayData data = new WxPayData();
- // data.SetValue("appid", WxPayConfig.APPID);
- // data.SetValue("secret", WxPayConfig.APPSECRET);
- // data.SetValue("code", code);
- // data.SetValue("grant_type", "authorization_code");
- // string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
- // //请求url以获取数据
- // string result = HttpService.Get(url);
- // //Log.Debug(this.GetType().ToString(), "GetOpenidAndAccessTokenFromCode response : " + result);
- // //保存access_token,用于收货地址获取
- // var jd = JObject.Parse(result);
- // access_token = (string)jd["access_token"];
- // //获取用户openid
- // openid = (string)jd["openid"];
- // //Log.Debug(this.GetType().ToString(), "Get openid : " + openid);
- // //Log.Debug(this.GetType().ToString(), "Get access_token : " + access_token);
- // }
- // catch (Exception ex)
- // {
- // //Log.Error(this.GetType().ToString(), ex.ToString());
- // throw new Exception(ex.ToString());
- // }
- //}
- /**
- * 调用统一下单,获得下单结果
- * @return 统一下单结果
- * @失败时抛异常WxPayException
- */
- public async Task<WxPayData> GetUnifiedOrderResult(string body, string outTradeNo, int totalFee, string openId)
- {
- //统一下单
- var data = new WxPayData();
- data.SetValue("body", body);
- //data.SetValue("attach", outTradeIds);
- data.SetValue("out_trade_no", outTradeNo);
- data.SetValue("total_fee", totalFee);
- data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
- data.SetValue("time_expire", DateTime.Now.AddMinutes().ToString("yyyyMMddHHmmss"));
- //data.SetValue("goods_tag", remark);
- data.SetValue("trade_type", "JSAPI");
- data.SetValue("openid", openId);
- var result = await WxPayApi.UnifiedOrder(data);
- if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
- {
- throw new Exception("UnifiedOrder response error!");
- }
- _unifiedOrderResult = result;
- return result;
- }
- /**
- *
- * 从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数,
- * 微信浏览器调起JSAPI时的输入参数格式如下:
- * {
- * "appId" : "wx2421b1c4370ec43b", //公众号名称,由商户传入
- * "timeStamp":" 1395712654", //时间戳,自1970年以来的秒数
- * "nonceStr" : "e61463f8efa94090b1f366cccfbbb444", //随机串
- * "package" : "prepay_id=u802345jgfjsdfgsdg888",
- * "signType" : "MD5", //微信签名方式:
- * "paySign" : "70EA570631E4BB79628FBCA90534C63FF7FADD89" //微信签名
- * }
- * @return string 微信浏览器调起JSAPI时的输入参数,json格式可以直接做参数用
- * 更详细的说明请参考网页端调起支付API:http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7
- *
- */
- public string GetJsApiParameters()
- {
- WxPayData jsApiParam = new WxPayData();
- jsApiParam.SetValue("appId", _unifiedOrderResult.GetValue("appid"));
- jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
- jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
- jsApiParam.SetValue("package", "prepay_id=" + _unifiedOrderResult.GetValue("prepay_id"));
- jsApiParam.SetValue("signType", "MD5");
- jsApiParam.SetValue("paySign", jsApiParam.MakeSign());
- string parameters = jsApiParam.ToJson();
- return parameters;
- }
- }
- /// <summary>
- /// 微信H5支付
- /// </summary>
- internal class MwebPay
- {
- public async Task<WxPayData> GetPayUrl(string body, string outTradeNo, int totalFee, string ip)
- {
- var data = new WxPayData();
- data.SetValue("body", body);//商品描述
- //data.SetValue("attach", outTradeIds);//附加数据
- data.SetValue("out_trade_no", outTradeNo);//随机字符串
- data.SetValue("total_fee", totalFee);//总金额
- data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));//交易起始时间
- data.SetValue("time_expire", DateTime.Now.AddMinutes().ToString("yyyyMMddHHmmss"));//交易结束时间
- //data.SetValue("goods_tag", "jjj");//商品标记
- data.SetValue("trade_type", "MWEB");//交易类型
- data.SetValue("spbill_create_ip", ip);//终端ip
- var result = await WxPayApi.UnifiedOrder(data);//调用统一下单接口
- return result;
- }
- public string GetJsApiParameters(WxPayData unifiedOrderResult)
- {
- WxPayData jsApiParam = new WxPayData();
- jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid"));
- jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp());
- jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr());
- jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id"));
- jsApiParam.SetValue("signType", "MD5");
- jsApiParam.SetValue("paySign", jsApiParam.MakeSign());
- string parameters = jsApiParam.ToJson();
- return parameters;
- }
- }
- /// <summary>
- /// 微信扫码支付
- /// </summary>
- internal class NativePay
- {
- /**
- * 生成扫描支付模式一URL
- * @param productId 商品ID
- * @return 模式一URL
- */
- public string GetPrePayUrl(string productId)
- {
- //Log.Info(this.GetType().ToString(), "Native pay mode 1 url is producing...");
- WxPayData data = new WxPayData();
- data.SetValue("appid", WxPayConfig.APPID);//公众帐号id
- data.SetValue("mch_id", WxPayConfig.MCHID);//商户号
- data.SetValue("time_stamp", WxPayApi.GenerateTimeStamp());//时间戳
- data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());//随机字符串
- data.SetValue("product_id", productId);//商品ID
- data.SetValue("sign", data.MakeSign());//签名
- var str = ToUrlParams(data.GetValues());//转换为URL串
- var url = "weixin://wxpay/bizpayurl?" + str;
- //Log.Info(this.GetType().ToString(), "Get native pay mode 1 url : " + url);
- return url;
- }
- /**
- * 生成直接支付url,支付url有效期为2小时,模式二
- * @param productId 商品ID
- * @return 模式二URL
- */
- public async Task<string> GetPayUrl(string body, string outTradeNo, int totalFee, string productId)
- {
- //Log.Info(this.GetType().ToString(), "Native pay mode 2 url is producing...");
- var data = new WxPayData();
- data.SetValue("body", body);//商品描述
- //data.SetValue("attach", outTradeIds);//附加数据
- data.SetValue("out_trade_no", outTradeNo);//随机字符串
- data.SetValue("total_fee", totalFee);//总金额
- data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));//交易起始时间
- data.SetValue("time_expire", DateTime.Now.AddMinutes().ToString("yyyyMMddHHmmss"));//交易结束时间
- //data.SetValue("goods_tag", "jjj");//商品标记
- data.SetValue("trade_type", "NATIVE");//交易类型
- data.SetValue("product_id", productId);//商品ID
- var result = await WxPayApi.UnifiedOrder(data);//调用统一下单接口
- string url = result.GetValue("code_url").ToString();//获得统一下单接口返回的二维码链接
- //Log.Info(this.GetType().ToString(), "Get native pay mode 2 url : " + url);
- return url;
- }
- /**
- * 参数数组转换为url格式
- * @param map 参数名与参数值的映射表
- * @return URL字符串
- */
- private string ToUrlParams(SortedDictionary<string, object> map)
- {
- string buff = "";
- foreach (KeyValuePair<string, object> pair in map)
- {
- buff += pair.Key + "=" + pair.Value + "&";
- }
- buff = buff.Trim('&');
- return buff;
- }
- }
4:定义接口
- public interface IWxPayService
- {
- /// <summary>
- /// 微信扫码支付,用户发送数据到服务器,返回支付二维码字段
- /// </summary>
- /// <returns></returns>
- Task<Tuple<bool, string>> PagePay(string body, string outTradeNo, int totalFee, string productId);
- /// <summary>
- /// 微信app支付,移动端发送数据,服务器统一下单,返回数据用于app支付
- /// </summary>
- /// <returns></returns>
- Task<Tuple<bool, string>> AppPay(string body, string outTradeNo, int totalFee);
- /// <summary>
- /// 微信公众号支付,服务器返回H5调起参数
- /// </summary>
- /// <returns></returns>
- Task<Tuple<bool, string>> JsApiPay(string body, string outTradeNo, int totalFee, string openId);
- /// <summary>
- /// 微信H5支付
- /// </summary>
- /// <returns></returns>
- Task<Tuple<bool, string>> MwebPay(string body, string outTradeNo, int totalFee, string ip);
- /// <summary>
- /// 微信申请退款
- /// </summary>
- /// <returns></returns>
- Task<WeChatRefundResponse> WeChatRefund(string transactionId, string outTradeNo, int totalFee, int refundFee, string outRefundNo);
- /// <summary>
- /// 微信退款查询,用于确认退款是否成功
- /// </summary>
- /// <returns></returns>
- Task<WeChatRefundQueryResponse> WeChatRefundQuery(string refundId, string outRefundNo, string transactionId, string outTradeNo);
- /// <summary>
- /// 微信回调
- /// </summary>
- /// <returns></returns>
- Task<WeChatNotifyRequest> WeChatNotify(Stream weChatReturnData);
- }
5:实现接口方法
- public class WxPayService : IWxPayService
- {
- public async Task<Tuple<bool, string>> PagePay(string body, string outTradeNo, int totalFee, string productId)
- {
- try
- {
- var nativePay = new NativePay();
- //生成扫码支付模式二url
- var url2 = await nativePay.GetPayUrl(body, outTradeNo, totalFee, productId);
- //将url生成二维码图片
- var writerSvg = new BarcodeWriterSvg
- {
- Format = BarcodeFormat.QR_CODE,
- Options = new QrCodeEncodingOptions
- {
- ErrorCorrection = ErrorCorrectionLevel.H
- }
- };
- var svgImageData = writerSvg.Write(url2);
- return svgImageData == null
- ? new Tuple<bool, string>(false, "返回数据为空!")
- : new Tuple<bool, string>(true, svgImageData.ToString());
- }
- catch (Exception e)
- {
- return new Tuple<bool, string>(false, e.Message);
- }
- }
- public async Task<Tuple<bool, string>> AppPay(string body, string outTradeNo, int totalFee)
- {
- try
- {
- var appId = "XX";
- var mchId = "XX";
- var key = "XX";
- WxPayConfig.Config(appId,mchId,key);
- var appPay = new AppPay();
- var result = await appPay.Run(body, outTradeNo, totalFee);
- return result == null
- ? new Tuple<bool, string>(false, "返回数据为空!")
- : new Tuple<bool, string>(true, AppSign(result.ToJson()));
- }
- catch (Exception e)
- {
- return new Tuple<bool, string>(false, e.Message);
- }
- }
- public string AppSign(string preJson)
- {
- var dic = JsonConvert.DeserializeObject<Dictionary<string, string>>(preJson);
- var data = new WxPayData();
- data.SetValue("appid", dic["appid"]);
- data.SetValue("partnerid", dic["mch_id"]);
- data.SetValue("prepayid", dic["prepay_id"]);
- data.SetValue("package", "Sign=WXPay");
- data.SetValue("noncestr", WxPayApi.GenerateNonceStr());
- data.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
- data.SetValue("sign", data.MakeSign());
- return data.ToJson();
- }
- public async Task<Tuple<bool, string>> JsApiPay(string body, string outTradeNo, int totalFee, string openId)
- {
- try
- {
- var jsApiPay = new JsApiPay();
- await jsApiPay.GetUnifiedOrderResult(body, outTradeNo, totalFee, openId);
- var wxJsApiParam = jsApiPay.GetJsApiParameters();//获取H5调起JS API参数
- return wxJsApiParam == null
- ? new Tuple<bool, string>(false, "返回数据为空!")
- : new Tuple<bool, string>(true, wxJsApiParam);
- }
- catch (Exception e)
- {
- return new Tuple<bool, string>(false, e.Message);
- }
- }
- public async Task<Tuple<bool, string>> MwebPay(string body, string outTradeNo, int totalFee, string ip)
- {
- try
- {
- var mwebPay = new MwebPay();
- var data = await mwebPay.GetPayUrl(body, outTradeNo, totalFee, ip);
- return data == null
- ? new Tuple<bool, string>(false, "返回数据为空!")
- : new Tuple<bool, string>(true, data.GetValue("mweb_url").ToString());
- }
- catch (Exception e)
- {
- return new Tuple<bool, string>(false, e.Message);
- }
- }
- public async Task<WeChatRefundResponse> WeChatRefund(string transactionId, string outTradeNo, int totalFee, int refundFee, string outRefundNo)
- {
- try
- {
- var result = await WxRefund.Run(transactionId, outTradeNo, totalFee, refundFee, outRefundNo);
- var response = JsonConvert.DeserializeObject<WeChatRefundResponse>(result);
- return response;
- }
- catch (Exception e)
- {
- return new WeChatRefundResponse { result_code = "Fail", return_msg = e.Message };
- }
- }
- public async Task<WeChatRefundQueryResponse> WeChatRefundQuery(string refundId, string outRefundNo, string transactionId, string outTradeNo)
- {
- try
- {
- var result = await WxRefundQuery.Run(refundId, outRefundNo, transactionId, outTradeNo);
- var response = JsonConvert.DeserializeObject<WeChatRefundQueryResponse>(result);
- return response;
- }
- catch (Exception e)
- {
- return new WeChatRefundQueryResponse { result_code = "Fail", return_msg = e.Message };
- }
- }
- public async Task<WeChatNotifyRequest> WeChatNotify(Stream weChatReturnData)
- {
- //接收从微信后台POST过来的数据
- var s = weChatReturnData;
- int count;
- var buffer = new byte[];
- var builder = new StringBuilder();
- while ((count = s.Read(buffer, , )) > )
- {
- builder.Append(Encoding.UTF8.GetString(buffer, , count));
- }
- s.Flush();
- s.Dispose();
- var notifyData = new WxPayData();
- try
- {
- notifyData.FromXml(builder.ToString());
- }
- catch (Exception e)
- {
- var res = new WxPayData();
- res.SetValue("return_code", "FAIL");
- res.SetValue("return_msg", e.Message);
- return new WeChatNotifyRequest { IsVerify = false, PayNo = "", TradeIds = "", PayTime = "", Sign = "", Content = res.ToXml() };
- }
- //检查支付结果中transaction_id是否存在
- if (!notifyData.IsSet("transaction_id"))
- {
- //若transaction_id不存在,则立即返回结果给微信支付后台
- var res = new WxPayData();
- res.SetValue("return_code", "FAIL");
- res.SetValue("return_msg", "支付结果中微信订单号不存在");
- return new WeChatNotifyRequest { IsVerify = false, PayNo = "", TradeIds = "", PayTime = "", Sign = "", Content = res.ToXml() };
- }
- var transactionId = notifyData.GetValue("transaction_id").ToString();
- var tradeIds = notifyData.GetValue("out_trade_no").ToString();
- var payTime = notifyData.GetValue("time_end").ToString();
- //查询订单,判断订单真实性
- if (!await QueryOrder(transactionId))
- {
- //若订单查询失败,则立即返回结果给微信支付后台
- var res = new WxPayData();
- res.SetValue("return_code", "FAIL");
- res.SetValue("return_msg", "订单查询失败");
- return new WeChatNotifyRequest { IsVerify = false, PayNo = "", TradeIds = "", PayTime = "", Sign = "", Content = res.ToXml() };
- }
- //查询订单成功
- else
- {
- var res = new WxPayData();
- res.SetValue("return_code", "SUCCESS");
- res.SetValue("return_msg", "OK");
- return new WeChatNotifyRequest { IsVerify = true, PayNo = transactionId, TradeIds = tradeIds, PayTime = payTime, Sign = "", Content = res.ToXml() };
- }
- }
- //查询订单
- private static async Task<bool> QueryOrder(string transactionId)
- {
- var req = new WxPayData();
- req.SetValue("transaction_id", transactionId);
- var res = await WxPayApi.OrderQuery(req);
- return res.GetValue("return_code").ToString() == "SUCCESS" && res.GetValue("result_code").ToString() == "SUCCESS";
- }
- }
6:其他一些网络请求类,相关配置类
- internal class HttpService
- {
- public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
- {
- //直接确认,否则打不开
- return true;
- }
- public static async Task<string> Post(string xml, string url, bool isUseCert, int timeout)
- {
- if (isUseCert)
- {
- //商户私钥证书,用于对请求报文进行签名
- var tempSignCert = new X509Certificate2(WxPayConfig.SSLCERT_PATH, WxPayConfig.SSLCERT_PASSWORD);
- var handler = new HttpClientHandler
- {
- ClientCertificateOptions = ClientCertificateOption.Manual,
- SslProtocols = SslProtocols.Tls12
- };
- handler.ClientCertificates.Add(tempSignCert);
- handler.SslProtocols = SslProtocols.Tls12 | SslProtocols.Tls11 | SslProtocols.Tls;
- handler.ServerCertificateCustomValidationCallback = (message, cert, chain, errors) => true;
- using (var client = new HttpClient(handler))
- {
- var httpContent = new StringContent(xml, Encoding.UTF8, "application/xml");
- var response = await client.PostAsync(url, httpContent);
- return await response.Content.ReadAsStringAsync();
- }
- }
- else
- {
- using (var client = new HttpClient())
- {
- var httpContent = new StringContent(xml, Encoding.UTF8, "application/xml");
- var response = await client.PostAsync(url, httpContent);
- return await response.Content.ReadAsStringAsync();
- }
- }
- }
- }
- /**
- * 配置账号信息
- */
- internal class WxPayConfig
- {
- //=======【基本信息设置】=====================================
- /* 微信公众号信息配置
- * APPID:绑定支付的APPID(必须配置)
- * MCHID:商户号(必须配置)
- * KEY:商户支付密钥,参考开户邮件设置(必须配置)
- * APPSECRET:公众帐号secert(仅JSAPI支付的时候需要配置)
- */
- public static void Config(string appId, string mchid, string key)
- {
- APPID = appId;
- MCHID = mchid;
- KEY = key;
- SSLCERT_PASSWORD = mchid;
- }
- public static string APPID { get;private set; } = "XXX";
- public static string MCHID { get; private set; } = "XXX";
- public static string KEY { get; private set; } = "XXX";
- public const string APPSECRET = "XXX";
- //=======【证书路径设置】=====================================
- /* 证书路径,注意应该填写绝对路径(仅退款、撤销订单时需要)
- */
- public const string SSLCERT_PATH = "path";
- public static string SSLCERT_PASSWORD { get; set; } = "XXX";
- //=======【支付结果通知url】=====================================
- /* 支付结果通知回调url,用于商户接收支付结果
- */
- public const string NOTIFY_URL = "http://paysdk.weixin.qq.com/example/ResultNotifyPage.aspx";
- //=======【商户系统后台机器IP】=====================================
- /* 此参数可手动配置也可在程序中自动获取
- */
- public const string IP = "8.8.8.8";
- //=======【代理服务器设置】===================================
- /* 默认IP和端口号分别为0.0.0.0和0,此时不开启代理(如有需要才设置)
- */
- public const string PROXY_URL = "http://10.152.18.220:8080";
- //=======【上报信息配置】===================================
- /* 测速上报等级,0.关闭上报; 1.仅错误时上报; 2.全量上报
- */
- public const int REPORT_LEVENL = ;
- //=======【日志级别】===================================
- /* 日志等级,0.不输出日志;1.只输出错误信息; 2.输出错误和正常信息; 3.输出错误信息、正常信息和调试信息
- */
- public const int LOG_LEVENL = ;
- }
值得注意的地方
a.微信退款及撤销支付是需要证书的,.net core 调用证书请求可以参考:http://www.cnblogs.com/AsprosL/p/7234141.html,也可以查看具体代码
b.微信配置类需要设置灵活配置,app支付需要开发平台申请,其他支付方式需要微信公众号开通,所以会有多个appid及mchid
----------------------------分割线------------------------------
以上基本就是微信支付的内容了,支付回调,退款及退款查询预留到下一章节吧
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