/// <summary>
/// 统一下单
/// </summary>
/// <param name="request">提交给统一下单API的参数</param>
/// <param name="config"></param>
/// <param name="timeOut">超时时间</param>
/// <returns>成功时返回，其他抛异常</returns>
public static async Task <WechatpayData> CreateOrderAsync(WechatpayData request, WechatpayConfig config, int timeOut = 6)
{
//检测必填参数
if (!request.IsSet("out_trade_no"))
{
throw new Exception("缺少统一支付接口必填参数out_trade_no！");
}
else if (!request.IsSet("body"))
{
throw new Exception("缺少统一支付接口必填参数body！");
}
else if (!request.IsSet("total_fee"))
{
throw new Exception("缺少统一支付接口必填参数total_fee！");
}
else if (!request.IsSet("trade_type"))
{
throw new Exception("缺少统一支付接口必填参数trade_type！");
}
//关联参数
if (request.GetValue("trade_type").ToString() == "JSAPI" && !request.IsSet("openid"))
{
throw new Exception("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
}
if (request.GetValue("trade_type").ToString() == "NATIVE" && !request.IsSet("product_id"))
{
throw new Exception("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
}
//异步通知url未设置，则使用配置文件中的url
if (!request.IsSet("notify_url"))
{
throw new Exception("缺少统一支付接口必填参数notify_url");
}
var result = await HttpService.ExecuteAsync(request, config, WechatConstants.UnifiedOrderUrl, false, timeOut);
var data = HttpService.GetAppData(config, result.GetValue("prepay_id"), request.GetValue("trade_type")?.ToString(), request.GetValue("code_url")?.ToString());
result.SetValue("body", data.ToXml());
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="inputObj"></param>
/// <param name="config"></param>
/// <param name="url"></param>
/// <param name="isUseCert"></param>
/// <param name="timeout"></param>
/// <returns></returns>
public static async Task <WechatpayData> ExecuteAsync(WechatpayData inputObj, WechatpayConfig config, string url, bool isUseCert = false, int timeout = 6)
{
if (config == null || string.IsNullOrEmpty(config.AppId) || string.IsNullOrEmpty(config.MchId))
{
throw new Exception("收款账号配置不能为空");
}
if (string.IsNullOrEmpty(config.SignKey))
{
throw new Exception("密钥配置不能为空");
}
inputObj.SetValue("appid", config.AppId); //公众账号ID
inputObj.SetValue("mch_id", config.MchId); //商户号
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("sign_type", config.SignType); //签名类型
inputObj.SetValue("sign", inputObj.MakeSign(config.SignType, config.SignKey)); //签名
string response = await PostAsync(inputObj.ToXml(), url, isUseCert, timeout, config.CertPath, config.CertPassword);
var result = new WechatpayData();
//若接口调用失败会返回xml格式的结果
if (response.Substring(0, 5) == "<xml>")
{
result.FromXml(response);
if (result.GetValue("return_code").ToString() != WechatConstants.SUCCESS)
{
throw new Exception(result.GetValue("return_msg").ToString());
}
//验证签名,不通过会抛异常
result.CheckSign(config.SignType, config.SignKey);
}
//接口调用成功则返回非xml格式的数据
else
{
result.SetValue("return_code", "SUCCESS");
result.SetValue("return_msg", "");
result.SetValue("result_code", "SUCCESS");
result.SetValue("body", response);
}
return(result);
}