public AjaxResponse CarNo(string inArgs) {
            var ar = new Infrastructure.Web.AjaxResponse();
            var obj = Newtonsoft.Json.JsonConvert.DeserializeObject<dynamic>(inArgs);
            var path = string.Empty;
            var beginTime = DateTime.Now;
            if (obj.path != null)
            {
                path = obj.path;
            }
            var image = System.Drawing.Image.FromFile(path);
            var predictions = yolo.Predict(image);

            if (predictions.Count < 1) {
                ar.Error("没有检测到车牌");
                return ar;
            }
            foreach (var prediction in predictions) // iterate predictions to draw results
            {
                double score = Math.Round(prediction.Score, 2);
                var labelRect = prediction.Rectangle;
                var twoLayers = (labelRect.Height / labelRect.Width) > 0.5;
                //定义截取矩形
                System.Drawing.Rectangle cropArea = new System.Drawing.Rectangle((int)labelRect.X < 0 ? 0 : (int)labelRect.X, (int)labelRect.Y < 0 ? 0 : (int)labelRect.Y, (int)labelRect.Width, (int)labelRect.Height);
                //定义Bitmap对象
                System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap(image);
                //进行裁剪
                System.Drawing.Bitmap bmpCrop = bmpImage.Clone(cropArea, bmpImage.PixelFormat);
                //保存成新文件
                //bmpCrop.Save(Path.Combine(path, (fileName + "_" + dtNow + num + "_clone.png")), ImageFormat.Png);

                var yoloOcrpredictions = yoloOcr.Predict(bmpCrop);
                if (yoloOcrpredictions.Length > 0)
                {
                    ar.Data = (new {carNo = yoloOcrpredictions[0] ,color = yoloOcrpredictions[1] });                    
                }
            }
            return ar;
        }
        

var filePath ="";
var ar = await dds.dynamic.api.exectuce({
	pluginName: "CarDetectApi",
	actionName: "CarNo",
	actionData: JSON.stringify({
		path: filePath
	})
})
if (ar.Success && ar.Data) {
	var data = ar.Data;
	self.resultInfo = data.carNo + "--" + data.color
} else {
	self.resultInfo = ar.Message;
}