/// <summary>
/// 检查支付状态
/// </summary>
public override void CheckPayState(PayParameter parameter)
{
try
{
WxPayConfig config = new WxPayAPI.WxPayConfig(PayFactory.GetInterfaceXmlConfig(PayInterfaceType.WeiXinScanQRCode, parameter.TradeID));
WxPayData queryOrderInput = new WxPayData();
queryOrderInput.SetValue("out_trade_no", parameter.TradeID);
WxPayData result = WxPayApi.OrderQuery(queryOrderInput, config);
string xml = result.ToXml();
PayFactory.OnLog(parameter.TradeID, xml);
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
//支付成功
if (result.GetValue("trade_state").ToString() == "SUCCESS")
{
//触发回调函数
PayFactory.OnPaySuccessed(parameter.TradeID, xml);
return;
}
else if (result.GetValue("trade_state").ToString() == "NOTPAY")
{
//这是一开始生成二维码后，会是这个状态
return;
}
}
}
catch
{
}
}
public virtual RefoundResult Refound(RefoundParameter parameter)
{
WxPayConfig config = new WxPayAPI.WxPayConfig(PayFactory.GetInterfaceXmlConfig(PayInterfaceType.WeiXinBarcode, parameter.TradeID));
WxPayData data = new WxPayData();
data.SetValue("out_trade_no", parameter.TradeID);
data.SetValue("total_fee", (int)(parameter.TotalAmount * 100)); //订单总金额
data.SetValue("refund_fee", (int)(parameter.Amount * 100)); //退款金额
data.SetValue("out_refund_no", Guid.NewGuid().ToString()); //随机生成商户退款单号
data.SetValue("op_user_id", config.MCHID); //操作员，默认为商户号
WxPayData result = WxPayApi.Refund(data, config); //提交退款申请给API，接收返回数据
string err = result.GetValue("err_code_des") as string;
RefoundResult finallyResult = new RefoundResult();
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
//退款成功
finallyResult.Result = RefoundResult.ResultEnum.SUCCESS;
}
else
{
finallyResult.Result = RefoundResult.ResultEnum.FAIL;
}
finallyResult.Error = err;
finallyResult.ServerMessage = result.ToXml();
return(finallyResult);
}
/// <summary>
/// 检查订单状态
/// </summary>
public virtual void CheckPayState(PayParameter parameter)
{
try
{
WxPayConfig config = new WxPayAPI.WxPayConfig(PayFactory.GetInterfaceXmlConfig(PayInterfaceType.WeiXinBarcode, parameter.TradeID));
checkPayStateByConfig(parameter, config);
}
catch
{
}
}
private void handleNotify()
{
using (CLog log = new CLog("weixin scan handleNotify "))
{
WxPayData notifyData = GetNotifyData();
string json = notifyData.ToJson();
log.Log("xml:{0}", json);
string out_trade_no = notifyData.GetValue("out_trade_no").ToString();
PayFactory.OnLog(out_trade_no, json);
WxPayConfig config = new WxPayAPI.WxPayConfig(PayFactory.GetInterfaceXmlConfig(PayInterfaceType.WeiXinScanQRCode, out_trade_no));
try
{
notifyData.CheckSign(config);
}
catch (WxPayException ex)
{
log.Log("签名错误");
//若签名错误，则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", ex.Message);
Response.Write(res.ToXml());
Response.End();
}
string result_code = notifyData.GetValue("result_code").ToString();
string return_code = notifyData.GetValue("return_code").ToString();
//out_trade_no result_code return_code
if (result_code == "SUCCESS" && return_code == "SUCCESS")
{
PayFactory.OnPaySuccessed(out_trade_no, json);
WxPayData data = new WxPayData();
data.SetValue("return_code", "SUCCESS");
data.SetValue("return_msg", "OK");
data.SetValue("appid", config.APPID);
data.SetValue("mch_id", config.MCHID);
data.SetValue("result_code", "SUCCESS");
data.SetValue("err_code_des", "OK");
data.SetValue("sign", data.MakeSign(config));
//log.Log("write to weixin:{0}", data.ToJson());
Response.Write(data.ToXml());
}
}
}
/**
*
* 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
* @return string 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
*/
public string GetEditAddressParameters()
{
string parameter = "";
try
{
string host = page.Request.Url.Host;
string path = page.Request.Path;
string queryString = page.Request.Url.Query;
//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://" + host + path + queryString;
//构造需要用SHA1算法加密的数据
WxPayData signData = new WxPayData();
signData.SetValue("appid", WxPayConfig.GetConfig().GetAppID());
signData.SetValue("url", url);
signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
signData.SetValue("accesstoken", "ACCESS_TOKEN");
string param = signData.ToUrl();
Log.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param);
//SHA1加密
string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
Log.Debug(this.GetType().ToString(), "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.GetConfig().GetAppID());
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();
Log.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter);
}
catch (Exception ex)
{
Log.Error(this.GetType().ToString(), ex.ToString());
throw new WxPayException(ex.ToString());
}
return(parameter);
}
/**
* 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 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.GetConfig().GetIp()); //终端ip
inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID()); //公众账号ID
inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_MD5); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;//请求开始时间
Log.Debug("WxPayApi", "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
Log.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);
}
/**
*
* 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, WxPayConfig config, 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", config.APPID); //公众账号ID
inputObj.SetValue("mch_id", config.MCHID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;
string response = HttpService.Post(config, 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);
result.CheckSign(config);
ReportCostTime(config, url, timeCost, result);//测速上报
return(result);
}
/// <summary>
/// 申请退款
/// </summary>
/// <param name="config">微信支付设置</param>
/// <param name="inputObj">提交给申请退款API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns></returns>
public static WxPayData Refund(
WxPayConfig config, 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", config.APPID); // 公众账号ID
inputObj.SetValue("mch_id", config.MCHID); // 商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); // 随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(config)); // 签名
string xml = inputObj.ToXml();
var logManager = Application.Ioc.Resolve <LogManager>();
logManager.LogDebug("WxPay Refund request: " + xml);
string response = WxPayHttpService.Post(config, xml, url, true, timeOut);
logManager.LogDebug("WxPay Refund response: " + response);
// 将xml格式的结果转换为对象以返回
var result = new WxPayData();
result.FromXml(config, response);
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(WxPayConfig config)
{
string str = "";
foreach (KeyValuePair <string, object> pair in m_values)
{
if (pair.Value == null)
{
Log.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!", config);
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());
}
Log.Debug(this.GetType().ToString(), "Print in Web Page : " + str, config);
return(str);
}
/**
*
* 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 WxPayData Report(WxPayData inputObj, int timeOut = 1)
{
string url = "https://api.mch.weixin.qq.com/payitil/report";
//检测必填参数
if (!inputObj.IsSet("interface_url"))
{
throw new WxPayException("接口URL，缺少必填参数interface_url！");
}
if (!inputObj.IsSet("return_code"))
{
throw new WxPayException("返回状态码，缺少必填参数return_code！");
}
if (!inputObj.IsSet("result_code"))
{
throw new WxPayException("业务结果，缺少必填参数result_code！");
}
if (!inputObj.IsSet("user_ip"))
{
throw new WxPayException("访问接口IP，缺少必填参数user_ip！");
}
if (!inputObj.IsSet("execute_time_"))
{
throw new WxPayException("接口耗时，缺少必填参数execute_time_！");
}
inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID()); //公众账号ID
inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
inputObj.SetValue("user_ip", WxPayConfig.GetConfig().GetIp()); //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_type", WxPayData.SIGN_TYPE_MD5); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
Log.Info("WxPayApi", "Report request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);
Log.Info("WxPayApi", "Report response : " + response);
WxPayData result = new WxPayData();
result.FromXml(response);
return(result);
}
//查询订单
private bool QueryOrder(string transaction_id, WxPayConfig config)
{
WxPayData req = new WxPayData();
req.SetValue("transaction_id", transaction_id);
WxPayData res = WxPayApi.OrderQuery(req, config);
if (res.GetValue("return_code").ToString() == "SUCCESS" &&
res.GetValue("result_code").ToString() == "SUCCESS")
{
return(true);
}
else
{
return(false);
}
}
/**
* 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, WxPayConfig config)
{
Log.Info(this.GetType().ToString(), "Native pay mode 1 url is producing...", config);
WxPayData data = new WxPayData();
data.SetValue("appid", config.APPID); //公众帐号id
data.SetValue("mch_id", config.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(config)); //签名
string str = ToUrlParams(data.GetValues()); //转换为URL串
string url = "weixin://wxpay/bizpayurl?" + str;
Log.Info(this.GetType().ToString(), "Get native pay mode 1 url : " + url, config);
return(url);
}
/**
*
* 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 WxPayData Report(WxPayData inputObj, WxPayConfig config, int timeOut = 1)
{
string url = "https://api.mch.weixin.qq.com/payitil/report";
//检测必填参数
if (!inputObj.IsSet("interface_url"))
{
throw new WxPayException("接口URL，缺少必填参数interface_url！");
}
if (!inputObj.IsSet("return_code"))
{
throw new WxPayException("返回状态码，缺少必填参数return_code！");
}
if (!inputObj.IsSet("result_code"))
{
throw new WxPayException("业务结果，缺少必填参数result_code！");
}
if (!inputObj.IsSet("user_ip"))
{
throw new WxPayException("访问接口IP，缺少必填参数user_ip！");
}
if (!inputObj.IsSet("execute_time_"))
{
throw new WxPayException("接口耗时，缺少必填参数execute_time_！");
}
inputObj.SetValue("appid", config.APPID); //公众账号ID
inputObj.SetValue("mch_id", config.MCHID); //商户号
inputObj.SetValue("user_ip", config.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(config)); //签名
string xml = inputObj.ToXml();
string response = HttpService.Post(config, xml, url, false, timeOut);
WxPayData result = new WxPayData();
result.FromXml(response);
result.CheckSign(config);
return(result);
}
/// <summary>
/// 通过code换取网页授权access_token和openid的返回数据
/// </summary>
/// <remarks>
/// 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
/// 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"
/// }
/// 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
/// </remarks>
/// <param name="code"></param>
/// <returns></returns>
public JsonData GetOpenidAndAccessTokenFromCode(string code)
{
try
{
//构造获取openid及access_token的url
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.GetConfig().GetAppID());
data.SetValue("secret", WxPayConfig.GetConfig().GetAppSecret());
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
JsonData jd = JsonMapper.ToObject(result);
if (result.Contains("errcode"))
{
string errmsg = jd["errmsg"].ToString();
Log.Error(this.GetType().ToString(), errmsg);
}
else
{
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);
}
return(jd);
}
catch (Exception ex)
{
Log.Error(this.GetType().ToString(), ex.ToString());
throw new WxPayException(ex.ToString());
}
}
/// <summary>
/// 生成签名，详见签名生成算法
/// </summary>
/// <returns></returns>
public string MakeSign(WxPayConfig config)
{
// 转url格式
string str = ToUrl();
// 在string后加入API KEY
str += "&key=" + config.KEY;
// MD5签名
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());
}
private WxPayData UnifiedOrder(string openId, string productId, WxPayConfig config)
{
//统一下单
WxPayData req = new WxPayData();
req.SetValue("body", "test");
req.SetValue("attach", "test");
req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo(config));
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", productId);
WxPayData result = WxPayApi.UnifiedOrder(req, config);
return(result);
}
/// <summary>
/// 构造网页授权获取code的URL
/// </remarks>
public string GetRedirectURL()
{
//构造网页授权获取code的URL
string host = _httpContext.HttpContext.Request.Host.Host;
string path = _httpContext.HttpContext.Request.Path;
string redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.GetConfig().GetAppID());
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);
return(url);
}
/// <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="config">微信支付设置</param>
/// <param name="inputObj">提交给被扫支付API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns></returns>
public static WxPayData Micropay(
WxPayConfig config, 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", config.IP); // 终端ip
inputObj.SetValue("appid", config.APPID); // 公众账号ID
inputObj.SetValue("mch_id", config.MCHID); // 商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); // 随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(config)); // 签名
string xml = inputObj.ToXml();
var logManager = Application.Ioc.Resolve <LogManager>();
logManager.LogDebug("WxPay Micropay request: " + xml);
string response = WxPayHttpService.Post(config, xml, url, false, timeOut);
logManager.LogDebug("WxPay Micropay response: " + response);
// 将xml格式的结果转换为对象以返回
var result = new WxPayData();
result.FromXml(config, response);
return(result);
}
public override void ProcessNotify(WxPayConfig config)
{
WxPayData notifyData = GetNotifyData(config);
Log.Info(this.GetType().ToString(), "The Pay ResultXml:" + notifyData.ToXml(config));
//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
WxPayData 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");
Log.Error(this.GetType().ToString(), "The Pay result is error : " + res.ToXml(config), config);
page.Response.Write(res.ToXml(config));
page.Response.End();
}
string transaction_id = notifyData.GetValue("transaction_id").ToString();
//查询订单，判断订单真实性
if (!QueryOrder(transaction_id, config))
{
//若订单查询失败，则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", "订单查询失败");
Log.Error(this.GetType().ToString(), "Order query failure : " + res.ToXml(config), config);
page.Response.Write(res.ToXml(config));
page.Response.End();
}
//查询订单成功
else
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
Log.Info(this.GetType().ToString(), "order query success : " + res.ToXml(config), config);
page.Response.Write(res.ToXml(config));
page.Response.End();
}
}
/**
*
* 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, string city)
{
try
{
//构造获取openid及access_token的url
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.APPID(city));
data.SetValue("secret", WxPayConfig.APPSECRET(city));
//data.SetValue("code", code);
data.SetValue("js_code", code);
//data.SetValue("scope", "snsapi_userinfo");
data.SetValue("grant_type", "authorization_code");
//string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
string url = "https://api.weixin.qq.com/sns/jscode2session?" + 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
JsonData jd = JsonMapper.ToObject(result);
try
{
this.access_token = (string)jd["access_token"];
}
catch
{
}
//获取用户openid
this.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 WxPayException(ex.ToString());
}
}
/// <summary>
/// 接收从微信支付后台发送过来的数据
/// </summary>
/// <param name="config">微信支付设置</param>
/// <param name="xml">微信发来的xml内容</param>
/// <returns>微信支付后台返回的数据</returns>
public static WxPayData GetNotifyData(WxPayConfig config, string xml)
{
// 接收从微信后台POST过来的数据
var logManager = Application.Ioc.Resolve <LogManager>();
logManager.LogDebug($"WxPay receive notify: {xml}");
// 转换数据格式并验证签名
WxPayData data = new WxPayData();
try {
data.FromXml(config, xml);
} catch (WxPayException) {
// 若签名错误，则立即返回结果给微信支付后台
var msg = $"WxPay sign check error: {xml}";
logManager.LogDebug(msg);
throw new WxPayException(msg);
}
logManager.LogDebug($"WxPay check sign success");
return(data);
}
/**
* @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(WxPayConfig config)
{
string buff = "";
foreach (KeyValuePair <string, object> pair in m_values)
{
if (pair.Value == null)
{
Log.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!", config);
throw new WxPayException("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);
}
/// <summary>
/// 接收从微信支付后台发送过来的数据并验证签名
/// </summary>
/// <returns>微信支付后台返回的数据</returns>
public WxPayData GetNotifyData(WxPayConfig config)
{
//接收从微信后台POST过来的数据
System.IO.Stream s = page.Request.InputStream;
int count = 0;
byte[] buffer = new byte[1024];
StringBuilder builder = new StringBuilder();
while ((count = s.Read(buffer, 0, 1024)) > 0)
{
builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
}
s.Flush();
s.Close();
s.Dispose();
Log.Info(this.GetType().ToString(), "Receive data from WeChat : " + builder.ToString(), config);
//转换数据格式并验证签名
WxPayData data = new WxPayData();
try
{
data.FromXml(builder.ToString(), config);
}
catch (WxPayException ex)
{
//若签名错误，则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", ex.Message);
Log.Error(this.GetType().ToString(), "Sign check error : " + res.ToXml(config), config);
page.Response.Write(res.ToXml(config));
page.Response.End();
}
Log.Info(this.GetType().ToString(), "Check sign success", config);
return(data);
}
/**
* 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 tid, 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！");
}
WxPayConfig wx = new WxPayConfig(tid);
inputObj.SetValue("appid", wx.APPID); //公众账号ID
inputObj.SetValue("mch_id", wx.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(tid)); //签名
string xml = inputObj.ToXml();
Log.Debug("WxPayApi", "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
Log.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, tid);
}
//接口调用成功则返回非xml格式的数据
else
{
result.SetValue("result", response);
}
return(result);
}
/**
* @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(int tid)
{
try
{
//转url格式
string str = ToUrl();
//在string后加入API KEY
WxPayConfig wx = new WxPayConfig(tid);
str += "&key=" + wx.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());
}
catch { return(""); }
}
/// <summary>
/// 检测签名是否正确
/// </summary>
/// <returns></returns>
public void CheckSign(WxPayConfig config)
{
// 如果没有设置签名，则跳过检测
if (!IsSet("sign"))
{
throw new WxPayException("WxPayData签名不存在!");
}
// 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 WxPayException("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(config);
if (cal_sign != return_sign)
{
throw new WxPayException("WxPayData签名验证错误!");
}
}
/// <summary>
/// 下载对账单
/// </summary>
/// <param name="config">微信支付设置</param>
/// <param name="inputObj">提交给下载对账单API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
public static WxPayData DownloadBill(
WxPayConfig config, 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", config.APPID); // 公众账号ID
inputObj.SetValue("mch_id", config.MCHID); // 商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); // 随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(config)); // 签名
string xml = inputObj.ToXml();
var logManager = Application.Ioc.Resolve <LogManager>();
logManager.LogDebug("WxPay DownloadBill request: " + xml);
string response = WxPayHttpService.Post(config, xml, url, false, timeOut);
logManager.LogDebug("WxPay DownloadBill response: " + response);
WxPayData result = new WxPayData();
// 若接口调用失败会返回xml格式的结果
// 接口调用成功则返回非xml格式的数据
if (response.Substring(0, 5) == "<xml>")
{
result.FromXml(config, response);
}
else
{
result.SetValue("result", response);
}
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 WxPayData DownloadBill(WxPayData inputObj, int timeOut = 60)
{
string url = "https://api.mch.weixin.qq.com/sandboxnew/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.GetConfig().GetAppID()); //公众账号ID
inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign(WxPayData.SIGN_TYPE_MD5, GetSandboxSignkey()));
string xml = inputObj.ToXml();
Log.Debug("WxPayApi", "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
Log.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 tid, 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！");
}
WxPayConfig wx = new WxPayConfig(tid);
inputObj.SetValue("appid", wx.APPID); //公众账号ID
inputObj.SetValue("mch_id", wx.MCHID); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign", inputObj.MakeSign(tid)); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now; //请求开始时间
Log.Debug("WxPayApi", "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
Log.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, tid);
ReportCostTime(url, timeCost, result, tid); //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 WxPayData OrderQuery(WxPayData inputObj, 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 WxPayException("订单查询接口中，out_trade_no、transaction_id至少填一个！");
}
inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID()); //公众账号ID
inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_MD5); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign()); //签名
string xml = inputObj.ToXml();
var start = DateTime.Now;
Log.Debug("WxPayApi", "OrderQuery request : " + xml);
string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据
Log.Debug("WxPayApi", "OrderQuery response : " + response);
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);
}
