public WxPayData PostApiRequest(string url, IDictionary <string, string> values)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
var wxdata = new WxPayData(_WeixinPaymentSetting.MchKey);
foreach (var p in values)
{
wxdata.SetValue(p.Key, p.Value);
}
wxdata.SetValue("appid", _WeixinPaymentSetting.AppId);
wxdata.SetValue("mch_id", _WeixinPaymentSetting.MchId);
wxdata.SetValue("nonce_str", WxPayData.GenerateNonceStr());
wxdata.SetValue("sign", wxdata.MakeSign());
if (!wxdata.CheckSign())
{
throw new NopException("在请求之前发现签名校验错误！");
}
using (var wc = new WebClient())
{
wc.Encoding = System.Text.Encoding.UTF8;
_logger.Information($"Post 微信支付API调用：URL=[{url}], DATA=[{wxdata.ToXml()}]");
var result = wc.UploadString(url, "POST", wxdata.ToXml());
_logger.Information($"微信支付调用返回数据：[{result}]");
var returnWeixinData = new WxPayData(this._WeixinPaymentSetting.MchKey);
returnWeixinData.FromXml(result);
var returnCode = returnWeixinData.GetValue("return_code");
if (returnCode != null && returnCode == "SUCCESS")
{
return(returnWeixinData);
}
else
{
var msg = returnWeixinData.GetValue("return_msg");
throw new NopException($"微信统一下单接口返回错误：[{msg}]");
}
}
}
private PrepayInfoModel PreparePrepayInfo(string prepayId, int orderId)
{
var payData = new WxPayData(_WeixinPaymentSetting.MchKey);
payData.SetValue("appId", _WeixinPaymentSetting.AppId);
payData.SetValue("timeStamp", WxPayData.GenerateTimeStamp());
payData.SetValue("nonceStr", WxPayData.GenerateNonceStr());
payData.SetValue("package", $"prepay_id={prepayId}");
payData.SetValue("signType", "MD5");
payData.SetValue("paySign", payData.MakeSign());
var model = new PrepayInfoModel()
{
AppId = payData.GetValue("appId"),
TimeStamp = payData.GetValue("timeStamp"),
NonceStr = payData.GetValue("nonceStr"),
Package = payData.GetValue("package"),
SignType = payData.GetValue("signType"),
PaySign = payData.GetValue("paySign"),
PrepayId = prepayId,
OrderId = orderId,
};
return(model);
}
