C# Cad 文字信息导入导出(八)

 public class Class1 : IExtensionApplication
 {
     void IExtensionApplication.Initialize()
     {
         Document doc = Application.DocumentManager.MdiActiveDocument;
         Editor editor = doc.Editor;
         editor.WriteMessage("*********************************\n");
         editor.WriteMessage("* SETDATA：选择文字信息进行导出 *\n");
         editor.WriteMessage("* GETDATA：选择CSV文件进行导入  *\n");
         editor.WriteMessage("*********************************\n");
     }
     //选文本信息导出
     [CommandMethod("GETDATA")]
     public void GETDATA()
     {
         // 获取当前文档和数据库
         Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
         Database db = doc.Database;
         Editor ed = doc.Editor;
         // 获取当前图形数据库的路径
         string path = db.Filename;
         ed.WriteMessage("\n*********************************\n");
         ed.WriteMessage("* SETDATA：选择文字信息进行导出 *\n");
         ed.WriteMessage("* GETDATA：选择CSV文件进行导入  *\n");
         ed.WriteMessage("*********************************\n");

         // 提示用户选择文本
         PromptSelectionResult selectionResult = doc.Editor.GetSelection(new SelectionFilter(new TypedValue[] { new TypedValue((int)DxfCode.Start, "TEXT") }));
         if (selectionResult.Status == PromptStatus.OK)
         {
             using (Transaction trans = db.TransactionManager.StartTransaction())
             {
                 SelectionSet selection = selectionResult.Value;
                 File.Delete(path + "文字信息.csv");
                 StreamWriter mydata = new StreamWriter(path + "文字信息.csv", append: true, Encoding.Default);
                 string value = "图层,名称,X,Y,字高,颜色\t,";
                 mydata.WriteLine(value);

                 // 遍历选择集中的文本对象
                 foreach (ObjectId id in selection.GetObjectIds())
                 {
                     DBText text = trans.GetObject(id, OpenMode.ForRead) as DBText;

                     if (text != null)
                     {
                         // 获取图层名称
                         string layerName = text.Layer;
                         //文本信息
                         string textContent = text.TextString;
                         // 获取文本坐标
                         double xPos = text.Position.X;
                         double yPos = text.Position.Y;
                         // 获取文本颜色
                         int colorIndex = text.Color.ColorIndex;
                         // 获取文本字高
                         double textHeight = text.Height;
                         //拼接CSV字符串
                         value = layerName + "," + textContent + "," + xPos + "," + yPos + "," + textHeight + "," + colorIndex + "\t,";
                         mydata.WriteLine(value);
                     }
                 }
                 mydata.Close();
                 // 打印输入输出
                 ed.WriteMessage("\n导出完成");
                 trans.Commit();
             }
         }
     }
     [CommandMethod("SETDATA")]
     public void SETDATA()
     {
         // 选择CSV文件
         Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
         dlg.DefaultExt = ".csv";
         Nullable result = dlg.ShowDialog();
         if (result != true)
             return;

         // 获取当前文档和数据库
         Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
         Database db = doc.Database;
         Editor ed = doc.Editor;
         ed.WriteMessage("\n*********************************\n");
         ed.WriteMessage("* SETDATA：选择文字信息进行导出 *\n");
         ed.WriteMessage("* GETDATA：选择CSV文件进行导入  *\n");
         ed.WriteMessage("*********************************\n");
         // 打开CSV文件并逐行处理
         string filePath = dlg.FileName;
         string[] csvLines = File.ReadAllLines(filePath);
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
             BlockTable blockTable = trans.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
             BlockTableRecord modelSpace = trans.GetObject(blockTable[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;

             foreach (string csvLine in csvLines)
             {
                 string[] csvData = csvLine.Split(',');
                 if (csvData.Length < 6)
                 {
                     ed.WriteMessage("CSV数据格式不正确！");
                     continue;
                 }

                 string layerName = csvData[0];

                 string name = csvData[1];//
                 double x, y, height;
                 int color;

                 if (!double.TryParse(csvData[2], out x) || !double.TryParse(csvData[3], out y) ||
                     !double.TryParse(csvData[4], out height) || !int.TryParse(csvData[5], out color))
                 {
                     ed.WriteMessage("CSV数据类型转换出错！");
                     continue;
                 }

                 // 检查图层是否已存在，不存在创建图层
                 CheckAndCreateLayer(layerName);

                 // 创建实体对象
                 Point3d position = new Point3d(x, y, 0);
                 DBText text = new DBText();
                 text.Position = position;
                 text.TextString = name;
                 text.Height = height;
                 text.Color = Color.FromColorIndex(ColorMethod.ByAci, (byte)color);
                 //text.LayerId = ObjectId(layerName);
                 LayerTableRecord ltr = new LayerTableRecord();
                 text.LayerId = GetLayerId(layerName);
                 // 添加实体到模型空间
                 modelSpace.AppendEntity(text);
                 trans.AddNewlyCreatedDBObject(text, true);

                 //拼接CSV字符串
                 //string value = layerName + "," + name + "," + x + "," + y + "," + height + "," + color;
                // ed.WriteMessage("\n" + value);
             }
             // 打印输入输出
             ed.WriteMessage("\n导入完成");
             trans.Commit();
         }
     }
     public ObjectId GetLayerId(string layerName)
     {
         Document doc = Application.DocumentManager.MdiActiveDocument;
         Database db = doc.Database;
         using (Transaction tr = db.TransactionManager.StartTransaction())
         {
             LayerTable layerTable = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead);
             if (layerTable.Has(layerName))
             {
                 LayerTableRecord layerRecord = (LayerTableRecord)tr.GetObject(layerTable[layerName], OpenMode.ForRead);
                 return layerRecord.ObjectId;
             }
         }
         return ObjectId.Null;
     }

     public void CheckAndCreateLayer(string layerName)
     {
         Document doc = Application.DocumentManager.MdiActiveDocument;
         Database db = doc.Database;
         Editor ed = doc.Editor;

         using (Transaction tr = db.TransactionManager.StartTransaction())
         {
             LayerTable layerTable = tr.GetObject(db.LayerTableId, OpenMode.ForRead) as LayerTable;

             if (!layerTable.Has(layerName))
             {
                 LayerTableRecord layer = new LayerTableRecord();
                 layer.Name = layerName;

                 layerTable.UpgradeOpen();
                 ObjectId layerId = layerTable.Add(layer);
                 tr.AddNewlyCreatedDBObject(layer, true);

                 // 设置新图层的属性
                 layer.Color = Color.FromColor(System.Drawing.Color.Red);
                 layer.LineWeight = LineWeight.LineWeight030;

                 tr.Commit();
                 //ed.WriteMessage("图层已创建： {0}\n", layerName);

             }
             else
             {
                 tr.Commit();
                 //ed.WriteMessage("图层已存在： {0}\n", layerName);
             }
         }
     }
     void IExtensionApplication.Terminate()
     {
      
     }
 }

 c# cad文字信息导出导入演示视频

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