public string MakeSign(WeChatPayOptions option)
{
if (option.IsDebug)
{
string url = "https://api.mch.weixin.qq.com/sandboxnew/pay/getsignkey";
WeChatPayData signkeyPayData = new WeChatPayData();
signkeyPayData.SetValue("mch_id", option.MchID); //商户号
signkeyPayData.SetValue("nonce_str", Guid.NewGuid().ToString("N").ToLower()); //随机字符串
signkeyPayData.SetValue("sign", signkeyPayData.MakeSign("MD5", option.Key));
string response = (new HttpService(option)).Post(signkeyPayData.ToXml(), url, false, 6); //调用HTTP通信接口提交数据
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
if (result.GetValue("return_code")?.ToString() == "SUCCESS")
{
var key = result.GetValue("sandbox_signkey")?.ToString();
return(MakeSign(key));
}
throw new WeChatPayException("获取沙盒签名失败" + result.ToJson());
}
if ((this.GetValue("signType") ?? this.GetValue("sign_type"))?.ToString() != "MD5")
{
return(MakeSign(SIGN_TYPE_HMAC_SHA256, option.Key));
}
return(MakeSign(option.Key));
}
/// <summary>
/// 查询退款
/// </summary>
/// <remarks>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</remarks>
/// <param name="inputObj">提交给查询退款API的参数</param>
/// <param name="timeOut"> 接口超时时间</param>
/// <returns></returns>
internal WeChatPayData RefundQuery(WeChatPayData inputObj, int timeOut = 6)
{
string url = payHost + "/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 WeChatException("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", option.AppId); //公众账号ID
inputObj.SetValue("mch_id", option.MchID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString("N").ToLower()); //随机字符串
inputObj.SetValue("sign_type", WeChatPayData.SIGN_TYPE_MD5); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign(option)); //签名
string xml = inputObj.ToXml();
logger.LogDebug("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
logger.LogDebug("WxPayApi", "RefundQuery response : " + response);
//将xml格式的结果转换为对象以返回
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
return(result);
}
/// <summary>
/// 撤销订单API接口
/// </summary>
/// <param name="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>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
internal WeChatPayData Reverse(WeChatPayData inputObj, int timeOut = 6)
{
string url = payHost + "/secapi/pay/reverse";
//检测必填参数
if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
{
throw new WeChatException("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", option.AppId); //公众账号ID
inputObj.SetValue("mch_id", option.MchID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString("N").ToLower()); //随机字符串
inputObj.SetValue("sign_type", "MD5"); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign(option)); //签名
string xml = inputObj.ToXml();
logger.LogDebug("WxPayApi", "Reverse request : " + xml);
string response = httpService.Post(xml, url, true, timeOut);
logger.LogDebug("WxPayApi", "Reverse response : " + response);
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
return(result);
}
/// <summary>
/// 关闭订单
/// </summary>
/// <param name="inputObj">提交给关闭订单API的参数</param>
/// <param name="timeOut">接口超时时间</param>
/// <returns></returns>
internal WeChatPayData CloseOrder(WeChatPayData inputObj, int timeOut = 6)
{
string url = payHost + "/pay/closeorder";
//检测必填参数
if (!inputObj.IsSet("out_trade_no"))
{
throw new WeChatException("关闭订单接口中，out_trade_no必填！");
}
inputObj.SetValue("appid", option.AppId); //公众账号ID
inputObj.SetValue("mch_id", option.MchID); //商户号
inputObj.SetValue("nonce_str", Guid.NewGuid().ToString("N").ToLower()); //随机字符串
inputObj.SetValue("sign_type", WeChatPayData.SIGN_TYPE_MD5); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign(option)); //签名
string xml = inputObj.ToXml();
string response = httpService.Post(xml, url, false, timeOut);
WeChatPayData result = new WeChatPayData();
result.FromXml(response);
return(result);
}
/// <summary>
/// 判断是否已经支付成功了
/// </summary>
/// <param name="weChatPayed"></param>
/// <returns></returns>
public bool IsPayed(WeChatPayedParameters weChatPayed)
{
if (weChatPayed == null || weChatPayed.return_code != "SUCCESS")
{
return(false);
}
try
{
WeChatPayData data = new WeChatPayData();
data.SetValue("out_trade_no", weChatPayed.out_trade_no);
var queryresult = weChatPayApi.OrderQuery(data);
logger.LogDebug("查询单据结果：" + queryresult.ToJson());
return(queryresult.GetValue("trade_state")?.ToString() == "SUCCESS");
}
catch (Exception ex)
{
logger.LogError(ex.ToString());
return(false);
}
}
private string GetPayParapeters(WeChatPayData unifiedOrder)
{
WeChatPayData jsApiParam = new WeChatPayData();
jsApiParam.SetValue("appId", option.AppId);
jsApiParam.SetValue("timeStamp", weChatPayApi.GenerateTimeStamp());
jsApiParam.SetValue("nonceStr", Guid.NewGuid().ToString("N").ToLower());
jsApiParam.SetValue("package", "prepay_id=" + unifiedOrder.GetValue("prepay_id"));
jsApiParam.SetValue("signType", "MD5");
jsApiParam.SetValue("paySign", jsApiParam.MakeSign(option));
string parameters = jsApiParam.ToJson();
logger.LogDebug("Get jsApiParam : " + parameters);
return(parameters);
}
private WeChatPayData GetWeChatPayData(string productDes, string billno, int total_fee, string ip, string tradeType, string openid = "")
{
WeChatPayData data = new WeChatPayData();
data.SetValue("body", productDes);
data.SetValue("out_trade_no", billno);
data.SetValue("total_fee", total_fee);
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
data.SetValue("time_expire", DateTime.Now.AddHours(25).ToString("yyyyMMddHHmmss"));
data.SetValue("trade_type", tradeType);
if (openid != "")
{
data.SetValue("openid", openid);
}
data.SetValue("notify_url", option.NotifyUrl);
data.SetValue("appid", option.AppId); //公众账号ID
data.SetValue("mch_id", option.MchID); //商户号
data.SetValue("spbill_create_ip", ip);
data.SetValue("nonce_str", Guid.NewGuid().ToString("N").ToLower()); //随机字符串
data.SetValue("sign_type", WeChatPayData.SIGN_TYPE_MD5); //签名类型
//签名
data.SetValue("sign", data.MakeSign(option));
return(data);
}
