Merge remote-tracking branch 'origin/feature/x' into feature/x

designer-form/src/main/java/com/fr/design/fit/menupane/FitRadioGroup.java

@@ -77,4 +77,12 @@ public class FitRadioGroup extends ButtonGroup {
         }
     }
 
+    /**
+     *
+     * @return 被选中的按钮
+     */
+    public UIRadioButton getSelectedButton() {
+        return radioButtons.get(this.getSelectRadioIndex());
+    }
+
 }