/**
* @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)
{
WxPayLog.Error(this.GetType().ToString(), "WxPayData数据为空!");
throw new WxPayException("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)
{
WxPayLog.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");
throw new WxPayException("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
{
WxPayLog.Error(this.GetType().ToString(), "WxPayData字段数据类型错误!");
throw new WxPayException("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))
{
WxPayLog.Error(this.GetType().ToString(), "将空的xml串转换为WxPayData不合法!");
throw new WxPayException("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"] != "SUCCESS")
{
return(m_values);
}
CheckSign();//验证签名,不通过会抛异常
}
catch (WxPayException ex)
{
throw new WxPayException(ex.Message);
}
return(m_values);
}
public static string Post(string xml, string url, bool isUseCert, int timeout)
{
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
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.Timeout = timeout * 1000;
//设置代理服务器
//WebProxy proxy = new WebProxy(); //定义一个网关对象
//proxy.Address = new Uri(WxPayConfig.PROXY_URL); //网关服务器端口:端口
//request.Proxy = proxy;
//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;
//是否使用证书
if (isUseCert)
{
string path = HttpContext.Current.Request.PhysicalApplicationPath;
X509Certificate2 cert = new X509Certificate2(path + WxPayConfig.SSLCERT_PATH, WxPayConfig.SSLCERT_PASSWORD);
request.ClientCertificates.Add(cert);
WxPayLog.Debug("WxPayApi", "PostXml used 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 e)
{
WxPayLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
WxPayLog.Error("Exception message: {0}", e.Message);
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
WxPayLog.Error("HttpService", e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
WxPayLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
WxPayLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new WxPayException(e.ToString());
}
catch (Exception e)
{
WxPayLog.Error("HttpService", e.ToString());
throw new WxPayException(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 static 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
* ************************************************************/
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
//设置代理
//WebProxy proxy = new WebProxy();
//proxy.Address = new Uri(WxPayConfig.PROXY_URL);
//request.Proxy = proxy;
//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 e)
{
WxPayLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
WxPayLog.Error("Exception message: {0}", e.Message);
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
WxPayLog.Error("HttpService", e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
WxPayLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
WxPayLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new WxPayException(e.ToString());
}
catch (Exception e)
{
WxPayLog.Error("HttpService", e.ToString());
throw new WxPayException(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return(result);
}
public static void ProcessNativeNotify(HttpContextBase httpContext)
{
var methodString = TypeString + ".ProcessNativeNotify";
WxPayData notifyData = GetNotifyData(httpContext);
//检查openid和product_id是否返回
if (!notifyData.IsSet("openid") || !notifyData.IsSet("product_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "回调数据异常");
WxPayLog.Info(methodString, "The data WeChat post is error : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//调统一下单接口，获得下单结果
string openid = notifyData.GetValue("openid").ToString();
string product_id = notifyData.GetValue("product_id").ToString();
WxPayData unifiedOrderResult = new WxPayData();
try
{
//统一下单
WxPayData req = new WxPayData();
req.SetValue("body", "test");
req.SetValue("attach", "test");
req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
req.SetValue("total_fee", 1);
req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
req.SetValue("goods_tag", "test");
req.SetValue("trade_type", "NATIVE");
req.SetValue("openid", openid);
req.SetValue("product_id", product_id);
unifiedOrderResult = WxPayApi.UnifiedOrder(req);
}
catch (Exception ex)//若在调统一下单接口时抛异常，立即返回结果给微信支付后台
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "统一下单失败");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//若下单失败，则立即返回结果给微信支付后台
if (!unifiedOrderResult.IsSet("appid") || !unifiedOrderResult.IsSet("mch_id") || !unifiedOrderResult.IsSet("prepay_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "统一下单失败");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//统一下单成功,则返回成功结果给微信支付后台
WxPayData data = new WxPayData();
data.SetValue("return_code", "SUCCESS");
data.SetValue("return_msg", "OK");
data.SetValue("appid", WxPayConfig.APPID);
data.SetValue("mch_id", WxPayConfig.MCHID);
data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());
data.SetValue("prepay_id", unifiedOrderResult.GetValue("prepay_id"));
data.SetValue("result_code", "SUCCESS");
data.SetValue("err_code_des", "OK");
data.SetValue("sign", data.MakeSign());
WxPayLog.Info(methodString, "UnifiedOrder success , send data to WeChat : " + data.ToXml());
httpContext.Response.Write(data.ToXml());
httpContext.Response.End();
}
/// <summary>
/// 刷卡支付完整业务流程逻辑
/// MicroPay.Run
/// </summary>
/// <param name="body">商品描述</param>
/// <param name="total_fee">总金额</param>
/// <param name="auth_code">支付授权码</param>
/// <returns>刷卡支付结果</returns>
/// <exception cref="WxPayException"></exception>
public static string MicroPay(string body, string total_fee, string auth_code)
{
var methodString = TypeString + ".MicroPay";
WxPayLog.Info(methodString, "Micropay is processing...");
WxPayData data = new WxPayData();
data.SetValue("auth_code", auth_code); //授权码
data.SetValue("body", body); //商品描述
data.SetValue("total_fee", int.Parse(total_fee)); //总金额
data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); //产生随机的商户订单号
WxPayData result = WxPayApi.Micropay(data, 10); //提交被扫支付，接收返回结果
//如果提交被扫支付接口调用失败，则抛异常
if (!result.IsSet("return_code") || result.GetValue("return_code").ToString() == "FAIL")
{
string returnMsg = result.IsSet("return_msg") ? result.GetValue("return_msg").ToString() : "";
WxPayLog.Error(methodString, "Micropay API interface call failure, result : " + result.ToXml());
throw new WxPayException("Micropay API interface call failure, return_msg : " + returnMsg);
}
//签名验证
result.CheckSign();
WxPayLog.Debug("MicroPay", "Micropay response check sign success");
//刷卡支付直接成功
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
WxPayLog.Debug(methodString, "Micropay business success, result : " + result.ToXml());
return(result.ToPrintStr());
}
/******************************************************************
* 剩下的都是接口调用成功，业务失败的情况
* ****************************************************************/
//1）业务结果明确失败
if (result.GetValue("err_code").ToString() != "USERPAYING" &&
result.GetValue("err_code").ToString() != "SYSTEMERROR")
{
WxPayLog.Error(methodString, "micropay API interface call success, business failure, result : " + result.ToXml());
return(result.ToPrintStr());
}
//2）不能确定是否失败，需查单
//用商户订单号去查单
string out_trade_no = data.GetValue("out_trade_no").ToString();
//确认支付是否成功,每隔一段时间查询一次订单，共查询10次
int queryTimes = 10;//查询次数计数器
while (queryTimes-- > 0)
{
int succResult = 0;//查询结果
WxPayData queryResult = MicroPayQuery(out_trade_no, out succResult);
//如果需要继续查询，则等待2s后继续
if (succResult == 2)
{
Thread.Sleep(2000);
continue;
}
//查询成功,返回订单查询接口返回的数据
else if (succResult == 1)
{
WxPayLog.Debug(methodString, "Mircopay success, return order query result : " + queryResult.ToXml());
return(queryResult.ToPrintStr());
}
//订单交易失败，直接返回刷卡支付接口返回的结果，失败原因会在err_code中描述
else
{
WxPayLog.Error(methodString, "Micropay failure, return micropay result : " + result.ToXml());
return(result.ToPrintStr());
}
}
//确认失败，则撤销订单
WxPayLog.Error(methodString, "Micropay failure, Reverse order is processing...");
if (!MicroPayCancel(out_trade_no))
{
WxPayLog.Error(methodString, "Reverse order failure");
throw new WxPayException("Reverse order failure！");
}
return(result.ToPrintStr());
}
