/// <summary>
/// 统一支付接口
/// 统一支付接口，可接受JSAPI/NATIVE/APP 下预支付订单，返回预支付订单号。NATIVE 支付返回二维码code_url。
/// </summary>
/// <param name="dataInfo">微信支付需要post的Data数据</param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static UnifiedorderResult Unifiedorder(TenPayV3RequestData dataInfo, int timeOut = Config.TIME_OUT)
{
var urlFormat = "https://api.mch.weixin.qq.com/pay/unifiedorder";
var data = dataInfo.PackageRequestHandler.ParseXML();//获取XML
MemoryStream ms = new MemoryStream();
var formDataBytes = data == null ? new byte[0] : Encoding.UTF8.GetBytes(data);
ms.Write(formDataBytes, 0, formDataBytes.Length);
ms.Seek(0, SeekOrigin.Begin);//设置指针读取位置
var resultXml = RequestUtility.HttpPost(urlFormat, null, ms, timeOut: timeOut);
return new UnifiedorderResult(resultXml);
}
/// <summary>
/// 【异步方法】统一支付接口
/// 统一支付接口，可接受JSAPI/NATIVE/APP 下预支付订单，返回预支付订单号。NATIVE 支付返回二维码code_url。
/// </summary>
/// <param name="dataInfo">微信支付需要post的xml数据</param>
/// <param name="timeOut"></param>
/// <returns></returns>
public static async Task <UnifiedorderResult> UnifiedorderAsync(TenPayV3RequestData dataInfo, int timeOut = Config.TIME_OUT)
{
var urlFormat = "https://api.mch.weixin.qq.com/pay/unifiedorder";
var data = dataInfo.PackageRequestHandler.ParseXML();//获取XML
var formDataBytes = data == null ? new byte[0] : Encoding.UTF8.GetBytes(data);
MemoryStream ms = new MemoryStream();
await ms.WriteAsync(formDataBytes, 0, formDataBytes.Length);
ms.Seek(0, SeekOrigin.Begin);//设置指针读取位置
var resultXml = await RequestUtility.HttpPostAsync(urlFormat, null, ms, timeOut : timeOut);
return(new UnifiedorderResult(resultXml));
}
public ActionResult JsApi(string code, string state)
{
if (string.IsNullOrEmpty(code))
{
return Content("您拒绝了授权！");
}
if (!state.Contains("|"))
{
//这里的state其实是会暴露给客户端的，验证能力很弱，这里只是演示一下
//实际上可以存任何想传递的数据，比如用户ID，并且需要结合例如下面的Session["OAuthAccessToken"]进行验证
return Content("验证失败！请从正规途径进入！1001");
}
try
{
//获取产品信息
var stateData = state.Split('|');
int productId = 0;
ProductModel product = null;
if (int.TryParse(stateData[0], out productId))
{
int hc = 0;
if (int.TryParse(stateData[1], out hc))
{
var products = ProductModel.GetFakeProductList();
product = products.FirstOrDefault(z => z.Id == productId);
if (product == null || product.GetHashCode() != hc)
{
return Content("商品信息不存在，或非法进入！1002");
}
ViewData["product"] = product;
}
}
//通过，用code换取access_token
var openIdResult = OAuthApi.GetAccessToken(TenPayV3Info.AppId, TenPayV3Info.AppSecret, code);
if (openIdResult.errcode != ReturnCode.请求成功)
{
return Content("错误：" + openIdResult.errmsg);
}
string sp_billno = Request["order_no"];
if (string.IsNullOrEmpty(sp_billno))
{
//生成订单10位序列号，此处用时间和随机数生成，商户根据自己调整，保证唯一
sp_billno = string.Format("{0}{1}{2}", TenPayV3Info.MchId, DateTime.Now.ToString("yyyyMMdd"),
TenPayV3Util.BuildRandomStr(10));
}
else
{
sp_billno = Request["order_no"];
}
var timeStamp = TenPayV3Util.GetTimestamp();
var nonceStr = TenPayV3Util.GetNoncestr();
var body = product == null ? "test" : product.Name;
var price = product == null ? 100 : product.Price * 100;
var xmlDataInfo = new TenPayV3RequestData(TenPayV3Info.AppId, TenPayV3Info.MchId, body, sp_billno, price, Request.UserHostAddress, TenPayV3Info.TenPayV3Notify, TenPayV3Type.JSAPI, openIdResult.openid, TenPayV3Info.Key, nonceStr);
var result = TenPayV3.Unifiedorder(xmlDataInfo);//调用统一订单接口
//JsSdkUiPackage jsPackage = new JsSdkUiPackage(TenPayV3Info.AppId, timeStamp, nonceStr,);
var package = string.Format("prepay_id={0}", result.prepay_id);
ViewData["appId"] = TenPayV3Info.AppId;
ViewData["timeStamp"] = timeStamp;
ViewData["nonceStr"] = nonceStr;
ViewData["package"] = package;
ViewData["paySign"] = TenPayV3.GetJsPaySign(TenPayV3Info.AppId, timeStamp, nonceStr, package, TenPayV3Info.Key);
return View();
}
catch (Exception ex)
{
var msg = ex.Message;
msg += "<br>" + ex.StackTrace;
msg += "<br>==Source==<br>" + ex.Source;
if (ex.InnerException != null)
{
msg += "<br>===InnerException===<br>" + ex.InnerException.Message;
}
return Content(msg);
}
}
/// <summary>
/// 原生支付 模式二
/// 根据统一订单返回的code_url生成支付二维码。该模式链接较短，生成的二维码打印到结账小票上的识别率较高。
/// 注意：code_url有效期为2小时，过期后扫码不能再发起支付
/// </summary>
/// <returns></returns>
public ActionResult NativeByCodeUrl()
{
//创建支付应答对象
//RequestHandler packageReqHandler = new RequestHandler(null);
var sp_billno = DateTime.Now.ToString("HHmmss") + TenPayV3Util.BuildRandomStr(28);
var nonceStr = TenPayV3Util.GetNoncestr();
//商品Id，用户自行定义
string productId = DateTime.Now.ToString("yyyyMMddHHmmss");
//创建请求统一订单接口参数
//packageReqHandler.SetParameter("appid", TenPayV3Info.AppId);
//packageReqHandler.SetParameter("mch_id", TenPayV3Info.MchId);
//packageReqHandler.SetParameter("nonce_str", nonceStr);
//packageReqHandler.SetParameter("body", "test");
//packageReqHandler.SetParameter("out_trade_no", sp_billno);
//packageReqHandler.SetParameter("total_fee", "1");
//packageReqHandler.SetParameter("spbill_create_ip", Request.UserHostAddress);
//packageReqHandler.SetParameter("notify_url", TenPayV3Info.TenPayV3Notify);
//packageReqHandler.SetParameter("trade_type", TenPayV3Type.NATIVE.ToString());
//packageReqHandler.SetParameter("product_id", productId);
//string sign = packageReqHandler.CreateMd5Sign("key", TenPayV3Info.Key);
//packageReqHandler.SetParameter("sign", sign);
//string data = packageReqHandler.ParseXML();
var xmlDataInfo = new TenPayV3RequestData(TenPayV3Info.AppId, TenPayV3Info.MchId, "test", sp_billno, 1, Request.UserHostAddress, TenPayV3Info.TenPayV3Notify, TenPayV3Type.NATIVE, productId, TenPayV3Info.Key, nonceStr);
//调用统一订单接口
var result = TenPayV3.Unifiedorder(xmlDataInfo);
//var unifiedorderRes = XDocument.Parse(result);
//string codeUrl = unifiedorderRes.Element("xml").Element("code_url").Value;
string codeUrl = result.code_url;
BitMatrix bitMatrix;
bitMatrix = new MultiFormatWriter().encode(codeUrl, BarcodeFormat.QR_CODE, 600, 600);
BarcodeWriter bw = new BarcodeWriter();
var ms = new MemoryStream();
var bitmap = bw.Write(bitMatrix);
bitmap.Save(ms, ImageFormat.Png);
//return File(ms, "image/png");
ms.WriteTo(Response.OutputStream);
Response.ContentType = "image/png";
return null;
}
public ActionResult NativeNotifyUrl()
{
ResponseHandler resHandler = new ResponseHandler(null);
//返回给微信的请求
RequestHandler res = new RequestHandler(null);
string openId = resHandler.GetParameter("openid");
string productId = resHandler.GetParameter("product_id");
if (openId == null || productId == null)
{
res.SetParameter("return_code", "FAIL");
res.SetParameter("return_msg", "回调数据异常");
}
//创建支付应答对象
//RequestHandler packageReqHandler = new RequestHandler(null);
var sp_billno = DateTime.Now.ToString("HHmmss") + TenPayV3Util.BuildRandomStr(28);
var nonceStr = TenPayV3Util.GetNoncestr();
//创建请求统一订单接口参数
//packageReqHandler.SetParameter("appid", TenPayV3Info.AppId);
//packageReqHandler.SetParameter("mch_id", TenPayV3Info.MchId);
//packageReqHandler.SetParameter("nonce_str", nonceStr);
//packageReqHandler.SetParameter("body", "test");
//packageReqHandler.SetParameter("out_trade_no", sp_billno);
//packageReqHandler.SetParameter("total_fee", "1");
//packageReqHandler.SetParameter("spbill_create_ip", Request.UserHostAddress);
//packageReqHandler.SetParameter("notify_url", TenPayV3Info.TenPayV3Notify);
//packageReqHandler.SetParameter("trade_type", TenPayV3Type.NATIVE.ToString());
//packageReqHandler.SetParameter("openid", openId);
//packageReqHandler.SetParameter("product_id", productId);
//string sign = packageReqHandler.CreateMd5Sign("key", TenPayV3Info.Key);
//packageReqHandler.SetParameter("sign", sign);
//string data = packageReqHandler.ParseXML();
var xmlDataInfo = new TenPayV3RequestData(TenPayV3Info.AppId, TenPayV3Info.MchId, "test", sp_billno, 1, Request.UserHostAddress, TenPayV3Info.TenPayV3Notify, TenPayV3Type.JSAPI, productId, TenPayV3Info.Key, nonceStr);
try
{
//调用统一订单接口
var result = TenPayV3.Unifiedorder(xmlDataInfo);
//var unifiedorderRes = XDocument.Parse(result);
//string prepayId = unifiedorderRes.Element("xml").Element("prepay_id").Value;
//创建应答信息返回给微信
res.SetParameter("return_code", result.return_code);
res.SetParameter("return_msg", result.return_msg ?? "OK");
res.SetParameter("appid", result.appid);
res.SetParameter("mch_id", result.mch_id);
res.SetParameter("nonce_str", result.nonce_str);
res.SetParameter("prepay_id", result.prepay_id);
res.SetParameter("result_code", result.result_code);
res.SetParameter("err_code_des", "OK");
string nativeReqSign = res.CreateMd5Sign("key", TenPayV3Info.Key);
res.SetParameter("sign", result.sign);
}
catch (Exception)
{
res.SetParameter("return_code", "FAIL");
res.SetParameter("return_msg", "统一下单失败");
}
return Content(res.ParseXML());
}