按钮

test2.java

@@ -10,11 +10,11 @@ import javafx.stage.Stage;
 public class test2 extends Application {
     @Override
     public void start(Stage primaryStage) {
-        // 创建VBox作为垂直布局容器15
+        // 创建VBox作为垂直布局容器
         VBox vBox = new VBox(10.0);
         // 创建提示标签
         Label promptLabel = new Label("请输入一个十进制数");
-        promptLabel.setStyle("-fx-font-weight: bold;"); // 设置字体为粗体
+        promptLabel.setStyle("-fx-font-weight: bold;");
         // 创建输入框并设置提示文本
         TextField inputField = new TextField();
         inputField.setPromptText("输入数字");
@@ -23,55 +23,60 @@ public class test2 extends Application {
         Label octalLabel = new Label();
         Label hexLabel = new Label();
         Label base6Label = new Label();
-        // 创建转换按钮并设置事件处理器
-        Button convertButton = new Button("转换");
-        convertButton.setOnAction(e -> {
-            try {
-                String inputText = inputField.getText();
-                int number;
-                if (inputText.matches("-?\\d+")) { // 十进制
-                    number = Integer.parseInt(inputText);
-                }
-                else if (inputText.matches("-?[0-7]+")) { // 八进制
-                    number = Integer.parseInt(inputText, 8);
-                }
-                else if (inputText.matches("-?[01]+")) { // 二进制
-                    number = Integer.parseInt(inputText, 2);
-                }
-                else if (inputText.matches("-?[\\da-fA-F]+")) { // 十六进制
-                    number = Integer.parseInt(inputText, 16);
-                }
-                else {
-                    throw new NumberFormatException();
+        // 创建按钮
+        Button binaryButton = new Button("二进制");
+        Button octalButton = new Button("八进制");
+        Button hexButton = new Button("十六进制");
+        Button base6Button = new Button("六进制");
+
+        // 更新标签的函数
+        final TextField finalInputField = inputField;
+        Button[] buttons = {binaryButton, octalButton, hexButton, base6Button};
+        Label[] labels = {binaryLabel, octalLabel, hexLabel, base6Label};
+        for (int i = 0; i < buttons.length; i++) {
+            final int index = i;
+            buttons[i].setOnAction(e -> {
+                try {
+                    String inputText = finalInputField.getText();
+                    int number = Integer.parseInt(inputText);
+                    switch (index) {
+                        case 0:
+                            labels[index].setText(String.format("二进制: %s", Integer.toBinaryString(number).toUpperCase()));
+                            break;
+                        case 1:
+                            labels[index].setText(String.format("八进制: %s", Integer.toOctalString(number)));
+                            break;
+                        case 2:
+                            labels[index].setText(String.format("十六进制: %s", Integer.toHexString(number).toUpperCase()));
+                            break;
+                        case 3:
+                            labels[index].setText(String.format("六进制: %s", toBase6String(number)));
+                            break;
+                    }
+                } catch (NumberFormatException ex) {
+                    Alert alert = new Alert(Alert.AlertType.ERROR);
+                    alert.setTitle("输入错误");
+                    alert.setHeaderText("无效输入");
+                    alert.setContentText("请输入一个有效的数字。");
+                    alert.showAndWait();
                 }
-                binaryLabel.setText(String.format("二进制: %s", Integer.toBinaryString(number).toUpperCase()));
-                octalLabel.setText(String.format("八进制: %s", Integer.toOctalString(number)));
-                hexLabel.setText(String.format("十六进制: %s", Integer.toHexString(number).toUpperCase()));
-                base6Label.setText(String.format("六进制: %s", toBase6String(number)));
-                vBox.getChildren().add(base6Label);
-            }
-            catch (NumberFormatException ex) {
-                Alert alert = new Alert(Alert.AlertType.ERROR);
-                alert.setTitle("输入错误");
-                alert.setHeaderText("无效输入");
-                alert.setContentText("请输入一个有效的数字。");
-                alert.showAndWait();
-            }
-        });
+            });
+        }
+
         // 将组件添加到布局中
-        vBox.getChildren().addAll(promptLabel, inputField, convertButton, binaryLabel, octalLabel, hexLabel);
+        vBox.getChildren().addAll(promptLabel, inputField, binaryButton, octalButton, hexButton, base6Button, binaryLabel, octalLabel, hexLabel, base6Label);
         // 设置场景和舞台
         Scene scene = new Scene(vBox, 300.0, 200.0);
         primaryStage.setTitle("进制转换器");
         primaryStage.setScene(scene);
         primaryStage.show();
     }
+
     // 将十进制数转换为六进制字符串的方法
     private String toBase6String(int number) {
         if (number == 0) {
             return "0";
-        }
-        else {
+        } else {
             StringBuilder sb = new StringBuilder();
             char[] digits = new char[]{'0', '1', '2', '3', '4', '5'};
             boolean isNegative = number < 0;