/// <summary>
/// 创建微信统一下单
/// </summary>
/// <param name="openid"></param>
/// <param name="body"></param>
/// <param name="out_trade_no"></param>
/// <param name="total_fee"></param>
/// <param name="trade_type"></param>
public Wx_OrderResult createUnifiedOrder(string openid, string body, string out_trade_no, int total_fee, string trade_type, string device_no)
{
string appid = WeChatUtilities.getConfigValue(WeChatUtilities.APP_ID);
string mch_id = WeChatUtilities.getConfigValue(WeChatUtilities.MCH_ID);
//先确认，之后做随机数
string nonce_str = CommonUtilities.generateNonce();
//string out_trade_no = "WX" + CommonUtilities.generateTimeStamp();
string spbill_create_ip = WeChatUtilities.getConfigValue(WeChatUtilities.IP);
string notify_url = "http://webapp.shouquanzhai.cn/Pay/wx_pay_nofity";
List <QueryParameter> parameters = new List <QueryParameter>();
parameters.Add(new QueryParameter("appid", appid));
parameters.Add(new QueryParameter("mch_id", mch_id));
parameters.Add(new QueryParameter("nonce_str", nonce_str));
parameters.Add(new QueryParameter("body", body));
parameters.Add(new QueryParameter("out_trade_no", out_trade_no));
parameters.Add(new QueryParameter("total_fee", total_fee.ToString()));
parameters.Add(new QueryParameter("spbill_create_ip", spbill_create_ip));
parameters.Add(new QueryParameter("notify_url", notify_url));
parameters.Add(new QueryParameter("trade_type", trade_type));
parameters.Add(new QueryParameter("openid", openid));
if (device_no != "")
{
parameters.Add(new QueryParameter("device_info", device_no));
}
string sign = WeChatUtilities.createPaySign(parameters);
string xml_content = parseXml(parameters, sign);
string post_url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
var request = WebRequest.Create(post_url) as HttpWebRequest;
try
{
request.Method = "post";
StreamWriter streamWriter = new StreamWriter(request.GetRequestStream());
streamWriter.Write(xml_content);
streamWriter.Flush();
streamWriter.Close();
var response = (HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string result = reader.ReadToEnd();
XmlDocument doc = new XmlDocument();
doc.LoadXml(result);
string fromUser = doc.GetElementsByTagName("return_code")[0].InnerText;
string returnText = doc.GetElementsByTagName("return_msg")[0].InnerText;
string prepay_id = doc.GetElementsByTagName("prepay_id")[0].InnerText;
return(new Wx_OrderResult("SUCCESS", prepay_id, "OK"));
}
catch (Exception e)
{
return(new Wx_OrderResult("FAIL", "", e.ToString()));
}
}
/// <summary>
/// 生成扫码链接
/// </summary>
/// <param name="product_id"></param>
/// <returns></returns>
public ContentResult create_native_pay_url(string product_id)
{
string appid = WeChatUtilities.getConfigValue(WeChatUtilities.APP_ID);
string mch_id = WeChatUtilities.getConfigValue(WeChatUtilities.MCH_ID);
string nonce = CommonUtilities.generateNonce();
string time_stamp = Convert.ToString(CommonUtilities.generateTimeStamp());
List <QueryParameter> parameters = new List <QueryParameter>();
parameters.Add(new QueryParameter("appid", appid));
parameters.Add(new QueryParameter("mch_id", mch_id));
parameters.Add(new QueryParameter("time_stamp", time_stamp));
parameters.Add(new QueryParameter("nonce_str", nonce));
parameters.Add(new QueryParameter("product_id", product_id));
string sign = WeChatUtilities.createPaySign(parameters);
string url = "weixin://wxpay/bizpayurl?" + QueryParameter.NormalizeRequestParameters(parameters) + "&sign=" + sign;
return(Content(url));
}
public ContentResult wx_native_notify()
{
StreamReader reader = new StreamReader(Request.InputStream, Encoding.UTF8);
XmlDocument doc = new XmlDocument();
doc.Load(reader);
string appid = doc.GetElementsByTagName("appid")[0].InnerText;
string openid = doc.GetElementsByTagName("openid")[0].InnerText;
string mch_id = doc.GetElementsByTagName("mch_id")[0].InnerText;
string is_subscribe = doc.GetElementsByTagName("is_subscribe")[0].InnerText;
string nonce_str = doc.GetElementsByTagName("nonce_str")[0].InnerText;
string product_id = doc.GetElementsByTagName("product_id")[0].InnerText;
string request_sign = doc.GetElementsByTagName("sign")[0].InnerText;
string trade_no = "WXNATIVE_" + DateTime.Now.Ticks;
int total_fee = 10;
string _body = "未知商品";
string _detail = "未知商品";
try
{
int _product_id = Convert.ToInt32(product_id);
WxPayProduct product = offlineDB.WxPayProduct.SingleOrDefault(m => m.Id == _product_id);
if (product != null)
{
_body = product.ProductName;
_detail = product.ProductDetails;
total_fee = Convert.ToInt32(product.Total_Fee * 100);
}
}
catch (Exception e)
{
CommonUtilities.writeLog(e.ToString());
total_fee = 10;
_body = "未知商品";
_detail = "未知商品";
}
Wx_OrderResult result = createUnifiedOrder(openid, _body, trade_no, total_fee, WeChatUtilities.TRADE_TYPE_NATIVE, "");
if (result.Result == "SUCCESS")
{
WxPayOrder order = new WxPayOrder()
{
Body = _body,
Time_Start = DateTime.Now,
Mch_Id = mch_id,
Open_Id = openid,
Detail = _detail,
Trade_No = trade_no,
Product_Id = product_id,
Prepay_Id = result.PrepayId,
Total_Fee = total_fee,
Trade_Status = WeChatUtilities.TRADE_STATUS_CREATE,
Trade_Type = WeChatUtilities.TRADE_TYPE_NATIVE
};
offlineDB.WxPayOrder.Add(order);
offlineDB.SaveChanges();
List <QueryParameter> parameters = new List <QueryParameter>();
parameters.Add(new QueryParameter("return_code", result.Result));
parameters.Add(new QueryParameter("return_msg", result.Message));
parameters.Add(new QueryParameter("appid", appid));
parameters.Add(new QueryParameter("mch_id", mch_id));
parameters.Add(new QueryParameter("nonce_str", CommonUtilities.generateNonce()));
parameters.Add(new QueryParameter("prepay_id", result.PrepayId));
parameters.Add(new QueryParameter("result_code", result.Result));
parameters.Add(new QueryParameter("err_code_des", result.Message));
string response_sign = WeChatUtilities.createPaySign(parameters);
string xmlcontent = parseXml(parameters, response_sign);
return(Content(xmlcontent, "text/plain"));
}
else
{
List <QueryParameter> parameters = new List <QueryParameter>();
parameters.Add(new QueryParameter("return_code", result.Result));
parameters.Add(new QueryParameter("return_msg", result.Message));
string response_sign = WeChatUtilities.createPaySign(parameters);
string xmlcontent = parseXml(parameters, response_sign);
return(Content(xmlcontent, "text/plain"));
}
}