/// <summary>
 /// 将IFeatureCursor保存到指定工作空间的指定表
 /// </summary>
 /// <param name="cursor"></param>
 /// <param name="workspace"></param>
 /// <param name="layername"></param>
 /// <param name="clearReords">是否清空原图层的数据</param>
 /// <param name="type"></param>
 /// <param name="ShapeFieldName"></param>
 /// <param name="ConfigKeyword"></param>
 /// <returns></returns>
 public static IFeatureClass SaveToWorkspace(this IFeatureCursor cursor, IFeatureWorkspace workspace, string layername
                                             , bool clearReords      = false
                                             , esriFeatureType type  = esriFeatureType.esriFTSimple
                                             , string ShapeFieldName = "SHAPE"
                                             , string ConfigKeyword  = "")
 {
     try
     {
         IFeatureClass featureClass = workspace.TryOpenFeatureClass(layername);
         if (featureClass == null)
         {
             IFields fields = cursor.Fields.Clone();
             featureClass = workspace.CreateFeatureClass(layername, fields, type, ShapeFieldName, ConfigKeyword);
         }
         else
         {
             if (clearReords)
             {
                 featureClass.Delete();
             }
         }
         cursor.SaveToFeatureClass(featureClass);
         return(featureClass);
     }
     catch
     {
         return(null);
     }
 }