/// <summary>
/// 生成直接支付url，支付url有效期为2小时,模式二
/// NativePay.GetPayUrl
/// </summary>
/// <param name="productId">商品ID</param>
/// <returns>模式二URL</returns>
public static string GetNativePayUrl(string productId)
{
var methodString = TypeString + ".GetNativePrePayUrl";
WxPayLog.Info(methodString, "Native pay mode 2 url is producing...");
WxPayData data = new WxPayData();
data.SetValue("body", "test"); //商品描述
data.SetValue("attach", "test"); //附加数据
data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); //随机字符串
data.SetValue("total_fee", 1); //总金额
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); //交易起始时间
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); //交易结束时间
data.SetValue("goods_tag", "jjj"); //商品标记
data.SetValue("trade_type", "NATIVE"); //交易类型
data.SetValue("product_id", productId); //商品ID
WxPayData result = WxPayApi.UnifiedOrder(data); //调用统一下单接口
string url = result.GetValue("code_url").ToString(); //获得统一下单接口返回的二维码链接
WxPayLog.Info(methodString, "Get native pay mode 2 url : " + url);
return(url);
}
public static void ProcessNativeNotify(HttpContextBase httpContext)
{
var methodString = TypeString + ".ProcessNativeNotify";
WxPayData notifyData = GetNotifyData(httpContext);
//检查openid和product_id是否返回
if (!notifyData.IsSet("openid") || !notifyData.IsSet("product_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "回调数据异常");
WxPayLog.Info(methodString, "The data WeChat post is error : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//调统一下单接口，获得下单结果
string openid = notifyData.GetValue("openid").ToString();
string product_id = notifyData.GetValue("product_id").ToString();
WxPayData unifiedOrderResult = new WxPayData();
try
{
//统一下单
WxPayData req = new WxPayData();
req.SetValue("body", "test");
req.SetValue("attach", "test");
req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
req.SetValue("total_fee", 1);
req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
req.SetValue("goods_tag", "test");
req.SetValue("trade_type", "NATIVE");
req.SetValue("openid", openid);
req.SetValue("product_id", product_id);
unifiedOrderResult = WxPayApi.UnifiedOrder(req);
}
catch (Exception ex)//若在调统一下单接口时抛异常，立即返回结果给微信支付后台
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "统一下单失败");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//若下单失败，则立即返回结果给微信支付后台
if (!unifiedOrderResult.IsSet("appid") || !unifiedOrderResult.IsSet("mch_id") || !unifiedOrderResult.IsSet("prepay_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "统一下单失败");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.Response.End();
}
//统一下单成功,则返回成功结果给微信支付后台
WxPayData data = new WxPayData();
data.SetValue("return_code", "SUCCESS");
data.SetValue("return_msg", "OK");
data.SetValue("appid", WxPayConfig.APPID);
data.SetValue("mch_id", WxPayConfig.MCHID);
data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());
data.SetValue("prepay_id", unifiedOrderResult.GetValue("prepay_id"));
data.SetValue("result_code", "SUCCESS");
data.SetValue("err_code_des", "OK");
data.SetValue("sign", data.MakeSign());
WxPayLog.Info(methodString, "UnifiedOrder success , send data to WeChat : " + data.ToXml());
httpContext.Response.Write(data.ToXml());
httpContext.Response.End();
}