优化对象被改变时产生的历史记录

src/DatabaseServices/CADObject.ts

@@ -167,7 +167,7 @@ export abstract class CADObject
         let undoData = this.UndoRecord();
         if (undoData)
         {
-            undoData.CreateObjectHistory(this);
+            undoData.WriteObjectSnapshoot(this);
             return true;
         }
         return false;

src/DatabaseServices/CommandHistoryRecord.ts

@@ -76,16 +76,23 @@ export class CommandHistoryRecord extends CADObject
         hrs.push(history);
     }
 
-    CreateObjectHistory(obj: CADObject): ObjectAllDataHistoryRecord
+    WriteObjectSnapshoot(obj: CADObject): void
     {
         if (!obj.Id)
         {
             console.warn("错误!CreateObjectHistory");
             return;
         }
+
+        if (this._CreateObjects.has(obj))
+            return;
+
+        let hrs = this.GetObjectHistoryList(obj.Id);
+        if (this.GetObjectAllDataRecord(hrs))
+            return;
+
         let hr = new ObjectAllDataHistoryRecord(obj.Id);
-        this.WriteObjectHistoryPath(obj, hr);
-        return hr;
+        hrs.push(hr);
     }
 
     CreateEraseHistory(obj: CADObject, isErase: boolean)