/// <summary>
/// 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
/// 未实现解读Json信息
/// </summary>
/// <param name="code"></param>
/// <exception cref="WxPayException">异常处理</exception>
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 = WxPayHttpService.Get(url);
WxPayLog.Debug(TypeString + ".GetOpenidAndAccessTokenFromCode", "GetOpenidAndAccessTokenFromCode response : " + result);
//保存access_token，用于收货地址获取
IDictionary <string, object> jd = ToObject(result);
access_token = (string)jd["access_token"];
//获取用户openid
openid = (string)jd["openid"];
WxPayLog.Debug(TypeString + ".GetOpenidAndAccessTokenFromCode", "Get openid : " + openid + "\nGet access_token : " + access_token);
}
catch (Exception ex)
{
WxPayLog.ErrorThrow(TypeString + ".GetOpenidAndAccessTokenFromCode", ex.ToString());
}
}
/**
*
* 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 WxPayData Reverse(WxPayData 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 WxPayException("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
WxPayLog.Debug("WxPayApi", "Reverse request : " + xml);
string response = WxPayHttpService.Post(xml, url, true, timeOut);
WxPayLog.Debug("WxPayApi", "Reverse response : " + response);
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);
}
/// <summary>
/// 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
/// </summary>
/// <returns>返回RedirectURL,若为空则不跳转</returns>
public string GetOpenidAndAccessToken()
{
if (!string.IsNullOrEmpty(Code))
{
//获取code码，以获取openid和access_token
WxPayLog.Debug(TypeString + ".GetOpenidAndAccessToken", "Get code : " + Code);
GetOpenidAndAccessTokenFromCode(Code);
}
else
{
//构造网页授权获取code的URL
string redirect_uri = HttpUtility.UrlEncode("http://" + UrlHost + Path);
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();
WxPayLog.Debug(TypeString + ".GetOpenidAndAccessToken", "Will Redirect to URL : " + url);
try
{
//触发微信返回code码
return(url);//Redirect函数会抛出ThreadAbortException异常，不用处理这个异常
}
catch (ThreadAbortException ex)
{
WxPayLog.Error(TypeString + ".GetOpenidAndAccessToken", ex.Message);
}
}
return(null);
}
/**
*
* 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 WxPayData ShortUrl(WxPayData 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 WxPayException("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
WxPayLog.Debug("WxPayApi", "ShortUrl request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);
WxPayLog.Debug("WxPayApi", "ShortUrl response : " + response);
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 WxPayData Refund(WxPayData 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 WxPayException("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 WxPayException("退款申请接口中，缺少必填参数out_refund_no！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxPayException("退款申请接口中，缺少必填参数total_fee！");
}
else if (!inputObj.IsSet("refund_fee"))
{
throw new WxPayException("退款申请接口中，缺少必填参数refund_fee！");
}
else if (!inputObj.IsSet("op_user_id"))
{
throw new WxPayException("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;
WxPayLog.Debug("WxPayApi", "Refund request : " + xml);
string response = WxPayHttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API
WxPayLog.Debug("WxPayApi", "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
WxPayData result = new WxPayData();
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。
/// </summary>
/// <param name="inputObj">提交给被扫支付API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns>成功时返回调用结果，其他抛异常</returns>
/// <exception cref="WxPayException"></exception>
public static WxPayData Micropay(WxPayData 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 WxPayException("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 WxPayException("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 WxPayException("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 WxPayException("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
WxPayLog.Debug("WxPayApi", "MicroPay request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WxPayLog.Debug("WxPayApi", "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
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
/**
* @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)
{
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!");
}
str += string.Format("{0}={1}<br>", pair.Key, pair.Value.ToString());
}
WxPayLog.Debug(this.GetType().ToString(), "Print in Web Page : " + str);
return(str);
}
/// <summary>
/// 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
/// </summary>
/// <returns></returns>
public string GetJsApiParameters()
{
WxPayLog.Debug(TypeString + ".GetJsApiParameters", "JsApiPay::GetJsApiParam is processing...");
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();
WxPayLog.Debug(TypeString + ".GetJsApiParameters", "Get jsApiParam : " + parameters);
return(parameters);
}
/// <summary>
/// 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
/// 调用js获取收货地址时需要传入的参数
/// 格式：json串
/// 包含以下字段：
/// appid：公众号id
/// scope: 填写“jsapi_address”，获得编辑地址权限
/// signType:签名方式，目前仅支持SHA1
/// addrSign: 签名，由appid、url、timestamp、noncestr、accesstoken参与签名
/// timeStamp：时间戳
/// nonceStr: 随机字符串
/// </summary>
/// <returns>共享收货地址js函数需要的参数，json格式可以直接做参数使用</returns>
public string GetEditAddressParameters()
{
string parameter = "";
try
{
//这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
string url = "http://" + UrlHost + Path + UrlQuery;
//构造需要用SHA1算法加密的数据
WxPayData signData = new WxPayData();
signData.SetValue("appid", WxPayConfig.APPID);
signData.SetValue("url", url);
signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
signData.SetValue("accesstoken", access_token);
string param = signData.ToUrl();
WxPayLog.Debug(TypeString + ".GetEditAddressParameters", "SHA1 encrypt param : " + param);
//SHA1加密
string addrSign = Sha1Hash(param);
WxPayLog.Debug(TypeString + ".GetEditAddressParameters", "SHA1 encrypt result : " + addrSign);
//获取收货地址js函数入口参数
WxPayData afterData = new WxPayData();
afterData.SetValue("appId", WxPayConfig.APPID);
afterData.SetValue("scope", "jsapi_address");
afterData.SetValue("signType", "sha1");
afterData.SetValue("addrSign", addrSign);
afterData.SetValue("timeStamp", signData.GetValue("timestamp"));
afterData.SetValue("nonceStr", signData.GetValue("noncestr"));
//转为json格式
parameter = afterData.ToJson();
WxPayLog.Debug(TypeString + ".GetEditAddressParameters", "Get EditAddressParam : " + parameter);
}
catch (Exception ex)
{
WxPayLog.ErrorThrow(TypeString + ".GetEditAddressParameters", ex.ToString());
}
return(parameter);
}
/**
* 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 WxPayData DownloadBill(WxPayData 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 WxPayException("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();
WxPayLog.Debug("WxPayApi", "DownloadBill request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WxPayLog.Debug("WxPayApi", "DownloadBill result : " + response);
WxPayData result = new WxPayData();
//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);
}
/**
*
* 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 WxPayData RefundQuery(WxPayData 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 WxPayException("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
WxPayLog.Debug("WxPayApi", "RefundQuery request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
WxPayLog.Debug("WxPayApi", "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
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 WxPayData UnifiedOrder(WxPayData 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 WxPayException("缺少统一支付接口必填参数out_trade_no！");
}
else if (!inputObj.IsSet("body"))
{
throw new WxPayException("缺少统一支付接口必填参数body！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxPayException("缺少统一支付接口必填参数total_fee！");
}
else if (!inputObj.IsSet("trade_type"))
{
throw new WxPayException("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 WxPayException("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 WxPayException("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;
WxPayLog.Debug("WxPayApi", "UnfiedOrder request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);
WxPayLog.Debug("WxPayApi", "UnfiedOrder response : " + response);
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);
}
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>
/// 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());
}
