优化

out/production/Calculator/CalculatorView.fxml

@@ -7,6 +7,7 @@
 <?import javafx.scene.layout.GridPane?>
 <?import javafx.scene.layout.RowConstraints?>
 <?import javafx.scene.text.Font?>
+<?import javafx.scene.control.ListView?>
 
 <AnchorPane prefHeight="341.0" prefWidth="375.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.171" fx:controller="CalculatorController">
     <TextField fx:id="inputField" editable="false" layoutX="14.0" layoutY="14.0" prefHeight="80.0" prefWidth="210.0" />
@@ -105,8 +106,8 @@
          <Font size="15.0" />
       </font>
    </Button>
-   <TextField fx:id="inputField1" editable="false" layoutX="225.0" layoutY="99.0" prefHeight="230.0" prefWidth="140.0" />
-   <TextField fx:id="inputField2" editable="false" layoutX="230.0" layoutY="20.0" prefHeight="20.0" prefWidth="120.0" text="计算器计算记录" />
+    <ListView fx:id="inputField1" layoutX="225.0" layoutY="99.0" prefHeight="230.0" prefWidth="140.0" />
+    <TextField fx:id="inputField2" editable="false" layoutX="230.0" layoutY="20.0" prefHeight="20.0" prefWidth="120.0" text="计算器计算记录" />
    <Button graphicTextGap="5.0" layoutX="250.0" layoutY="60.0" onAction="#handleRemoveAction" text="清空记录" wrapText="true">
       <font>
          <Font size="15.0" />