co命令 使用GetSelection

src/Add-on/Copy.ts

@@ -14,7 +14,11 @@ export class Command_Copy implements Command
     {
         if (ss.SelectEntityList.length === 0)
         {
-            return;
+            let ssRes = await app.m_Editor.GetSelection({ Msg: "请选择需要拷贝的实体:" });
+            if (ssRes.Status != PromptStatus.OK)
+                return;
+
+            ss = ssRes.SelectSet;
         }
 
         let ptRes = await app.m_Editor.GetPoint({ Msg: "请选择复制基点:" });