/// <summary>
/// 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 WeChatPayData inputObj 提交给转换短连接API的参数
/// @param int timeOut 接口超时时间
/// @throws WeChatPayException
/// @return 成功时返回，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData ShortUrl(WeChatPayData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/tools/shorturl";
//检测必填参数
if (!inputObj.IsSet("long_url"))
{
throw new WeChatPayException("需要转换的URL，签名用原串，传输需URL encode！");
}
inputObj.SetValue("appid", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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
WeChatLog.Debug("WeChatPayAPI", "ShortUrl request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);
WeChatLog.Debug("WeChatPayAPI", "ShortUrl response : " + response);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// 撤销订单API接口
/// @param WeChatPayData 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 WeChatPayException
/// @return 成功时返回API调用结果，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData Reverse(WeChatPayData inputObj, int timeOut = 6)
{
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 WeChatPayException("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", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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
WeChatLog.Debug("WeChatPayAPI", "Reverse request : " + xml);
string response = HttpService.Post(xml, url, true, timeOut);
WeChatLog.Debug("WeChatPayAPI", "Reverse response : " + response);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// 申请退款
/// @param WeChatPayData inputObj 提交给申请退款API的参数
/// @param int timeOut 超时时间
/// @throws WeChatPayException
/// @return 成功时返回接口调用结果，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData Refund(WeChatPayData inputObj, int timeOut = 6)
{
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 WeChatPayException("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 WeChatPayException("退款申请接口中，缺少必填参数out_refund_no！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WeChatPayException("退款申请接口中，缺少必填参数total_fee！");
}
else if (!inputObj.IsSet("refund_fee"))
{
throw new WeChatPayException("退款申请接口中，缺少必填参数refund_fee！");
}
else if (!inputObj.IsSet("op_user_id"))
{
throw new WeChatPayException("退款申请接口中，缺少必填参数op_user_id！");
}
inputObj.SetValue("appid", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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;
WeChatLog.Debug("WeChatPayAPI", "Refund request : " + xml);
string response = HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API
WeChatLog.Debug("WeChatPayAPI", "Refund response : " + response);
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
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// 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 WeChatPayData inputObj 提交给被扫支付API的参数
/// @param int timeOut 超时时间
/// @throws WeChatPayException
/// @return 成功时返回调用结果，其他抛异常/
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData Micropay(WeChatPayData inputObj, int timeOut = 10)
{
string url = "https://api.mch.weixin.qq.com/pay/micropay";
//检测必填参数
if (!inputObj.IsSet("body"))
{
throw new WeChatPayException("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 WeChatPayException("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 WeChatPayException("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 WeChatPayException("提交被扫支付API接口中，缺少必填参数auth_code！");
}
inputObj.SetValue("spbill_create_ip", WeChatPayConfig.IP); //终端ip
inputObj.SetValue("appid", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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
WeChatLog.Debug("WeChatPayAPI", "MicroPay request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WeChatLog.Debug("WeChatPayAPI", "MicroPay response : " + response);
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
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// @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）
/// </summary>
/// <returns></returns>
public string ToPrintStr()
{
string str = "";
foreach (KeyValuePair<string, object> pair in m_values)
{
if (pair.Value == null)
{
// Log.Error(this.GetType().ToString(), "WeChatPayData内部含有值为null的字段!");
throw new WeChatPayException("WeChatPayData内部含有值为null的字段!");
}
str += string.Format("{0}={1}<br>", pair.Key, pair.Value.ToString());
}
WeChatLog.Debug(this.GetType().ToString(), "Print in Web Page : " + str);
return str;
}
/// <summary>
/// 下载对账单
/// @param WeChatPayData inputObj 提交给下载对账单API的参数
/// @param int timeOut 接口超时时间
/// @throws WeChatPayException
/// @return 成功时返回，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData DownloadBill(WeChatPayData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/downloadbill";
//检测必填参数
if (!inputObj.IsSet("bill_date"))
{
throw new WeChatPayException("对账单接口中，缺少必填参数bill_date！");
}
inputObj.SetValue("appid", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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();
WeChatLog.Debug("WeChatPayAPI", "DownloadBill request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WeChatLog.Debug("WeChatPayAPI", "DownloadBill result : " + response);
WeChatPayData result = new WeChatPayData();
//若接口调用失败会返回xml格式的结果
if (response.Substring(0, 5) == "<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);
}
/// <summary>
/// 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 WeChatPayData inputObj 提交给查询退款API的参数
/// @param int timeOut 接口超时时间
/// @throws WeChatPayException
/// @return 成功时返回，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData RefundQuery(WeChatPayData inputObj, int timeOut = 6)
{
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 WeChatPayException("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", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.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
WeChatLog.Debug("WeChatPayAPI", "RefundQuery request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WeChatLog.Debug("WeChatPayAPI", "RefundQuery response : " + response);
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
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// 处理http POST请求，返回数据
/// </summary>
/// <param name="xml">请求参数</param>
/// <param name="url">请求的url地址</param>
/// <param name="isUseCert">是否启用证书</param>
/// <param name="timeout">请求超时时间</param>
/// <returns></returns>
public static 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
* ************************************************************/
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(WeChatPayConfig.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 = System.Text.Encoding.UTF8.GetBytes(xml);
request.ContentLength = data.Length;
//是否使用证书
if (isUseCert)
{
string path = AppContext.BaseDirectory;// HttpContent.Current.Request.PhysicalApplicationPath;
//X509Certificate2 cert = new X509Certificate2(path + WeChatPayConfig.SSLCERT_PATH, WeChatPayConfig.SSLCERT_PASSWORD);
//request.ClientCertificates.Add(cert);
X509Certificate2 cer = new X509Certificate2(path + WeChatPayConfig.SSLCERT_PATH, WeChatPayConfig.SSLCERT_PASSWORD, X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
request.ClientCertificates.Add(cer);
WeChatLog.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)
{
// Log.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
// Log.Error("Exception message: {0}", e.Message);
System.Threading.Thread.ResetAbort();
}
catch (WebException e)
{
// Log.Error("HttpService", e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
WeChatLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
WeChatLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new WeChatPayException(e.ToString());
}
catch (Exception e)
{
WeChatLog.Error("HttpService", e.ToString());
throw new WeChatPayException(e.ToString());
}
finally
{
//关闭连接和流
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
}
return(result);
}
/// <summary>
/// 统一下单
/// @param WeChatPayData inputObj 提交给统一下单API的参数
/// @param int timeOut 超时时间
/// @throws WeChatPayException
/// @return 成功时返回，其他抛异常
/// </summary>
/// <param name="inputObj"></param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static WeChatPayData UnifiedOrder(WeChatPayData 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 WeChatPayException("缺少统一支付接口必填参数out_trade_no！");
}
else if (!inputObj.IsSet("body"))
{
throw new WeChatPayException("缺少统一支付接口必填参数body！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WeChatPayException("缺少统一支付接口必填参数total_fee！");
}
else if (!inputObj.IsSet("trade_type"))
{
throw new WeChatPayException("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 WeChatPayException("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 WeChatPayException("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", WeChatPayConfig.NOTIFY_URL);//异步通知url
}
inputObj.SetValue("appid", WeChatPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WeChatPayConfig.MCHID); //商户号
inputObj.SetValue("spbill_create_ip", WeChatPayConfig.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;
WeChatLog.Debug("WeChatPayAPI", "UnfiedOrder request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);
WeChatLog.Debug("WeChatPayAPI", "UnfiedOrder response : " + response);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}