public IHttpActionResult Pay([FromUri] PayParamModel paramModel)
{
var model = new PayModel();
try
{
lock (PayLock)
{
var baseSetting = _baseSettingService.GetLast();
if (baseSetting == null)
{
throw new MyProException("无效的基础设置");
}
var paySetting = _PaySettingService.GetLast();
if (paySetting == null)
{
throw new MyProException("无效的支付设置");
}
if (string.IsNullOrEmpty(paramModel.OpenId))
{
throw new MyProException("openId不能为空");
}
var userInfo = _userInfoService.GetByOpenId(paramModel.OpenId);
if (userInfo == null)
{
throw new MyProException("openId 无效");
}
decimal totalFee;
if (!decimal.TryParse(paramModel.Amount, out totalFee))
{
throw new MyProException("支付金额有误");
}
var logStr = new StringBuilder();
var body = _payHelper.GetUtf8Str(paySetting.ShortName + "-美发/美容/美甲店");
var random = new Random();
Dictionary <string, string> resultDic = null;
var serialNumber = DateTime.Now.ToString("yyyyMMddHHmmssfff") + random.Next(999);
var dic = new Dictionary <string, string>
{
{ "appid", baseSetting.AppId },
{ "mch_id", paySetting.MchId },
{ "nonce_str", _payHelper.GetRandomString(20) },
{ "body", body },
{ "out_trade_no", serialNumber },
{ "total_fee", paramModel.Amount },
{ "spbill_create_ip", paySetting.IpAddress },
{ "notify_url", paySetting.PayResulturl },
{ "trade_type", "JSAPI" },
{ "openid", paramModel.OpenId }
};
dic.Add("sign", _payHelper.GetSignString(dic, paySetting.PayKey));
var strB = new StringBuilder();
strB.Append("<xml>");
foreach (var d in dic)
{
strB.AppendFormat("<{0}>{1}</{0}>", d.Key, d.Value);
}
strB.Append("</xml>");
logStr.AppendLine("支付请求的xml" + strB);
var xml = new XmlDocument();
var en = Encoding.GetEncoding("UTF-8");
var response = _payHelper.CreatePostHttpResponse("https://api.mch.weixin.qq.com/pay/unifiedorder",
strB.ToString(), en);
if (response != null)
{
//打印返回值
var stream = response.GetResponseStream(); //获取响应的字符串流
if (stream != null)
{
var sr = new StreamReader(stream); //创建一个stream读取流
var html = sr.ReadToEnd(); //从头读到尾，放到字符串html
logStr.AppendLine("请求返回的结果:" + html);
xml.LoadXml(html);
//对请求返回值 进行处理
var root = xml.DocumentElement;
var ds = new DataSet();
var stram = new StringReader(html);
var reader = new XmlTextReader(stram);
ds.ReadXml(reader);
var returnCode = ds.Tables[0].Rows[0]["return_code"].ToString();
if (returnCode.ToUpper() == "SUCCESS")
{
resultDic = new Dictionary <string, string>
{
{ "appId", baseSetting.AppId },
{ "timeStamp", _payHelper.GetTimeStamp() },
{ "nonceStr", dic["nonce_str"] },
{ "package", "prepay_id=" + ds.Tables[0].Rows[0]["prepay_id"] },
{ "signType", "MD5" }
};
//在服务器上签名
resultDic.Add("paySign", _payHelper.GetSignString(resultDic, paySetting.PayKey));
model.TimeStamp = resultDic["timeStamp"];
model.NonceStr = resultDic["nonceStr"];
model.Package = resultDic["package"];
model.SignType = resultDic["signType"];
model.PaySign = resultDic["paySign"];
var requestStr = JsonConvert.SerializeObject(resultDic);
logStr.AppendLine("返回的结果:" + requestStr);
var payInfo = new PayInfo()
{
UserInfoId = userInfo.Id,
Amount = decimal.Parse(paramModel.Amount) / 100,
IsPay = false,
TradeNo = serialNumber,
Body = body,
CreateOn = DateTime.Now
};
_payInfoService.Insert(payInfo);
}
else
{
var returnMsg = ds.Tables[0].Rows[0]["return_msg"].ToString();
model.IsSuccess = false;
model.ReturnMsg = returnMsg;
logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
}
}
else
{
model.IsSuccess = false;
model.ReturnMsg = "response.GetResponseStream() is null";
logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
}
}
else
{
model.IsSuccess = false;
model.ReturnMsg = "CreatePostHttpResponse is null";
logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
}
WebLogHelper.WebLog(logStr.ToString());
model.IsSuccess = true;
model.ReturnMsg = "调用成功";
}
}
catch (Exception ex)
{
model.IsSuccess = false;
model.ReturnMsg = ex.Message;
}
return(Json(model));
}