修改2

Calculator.java

@@ -7,7 +7,7 @@ public class Calculator extends Application {
 
     @Override
     public void start(Stage primaryStage) throws Exception {
-        FXMLLoader loader = new FXMLLoader(getClass().getResource("Calculator.fxml"));
+        FXMLLoader loader = new FXMLLoader(getClass().getResource("CalculatorView.fxml"));
         Scene scene = new Scene(loader.load());
         primaryStage.setTitle("简易计算器");
         primaryStage.setScene(scene);

CalculatorController.java

@@ -1,71 +1,122 @@
-import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.scene.control.TextField;
+import javafx.scene.control.Button;
+import javafx.event.ActionEvent;
 
 public class CalculatorController {
 
     @FXML
     private TextField inputField;
-
     @FXML
-    private TextField inputField1;
+    private TextField inputField1; // 用于显示计算记录
 
-    @FXML
+    private double firstNumber = 0;
-    private TextField inputField2;
+    private String operator = "";
+    private boolean isOperationClicked = false;
 
     @FXML
-    void handleAddAction(ActionEvent event) {
+    protected void handleNumberAction(ActionEvent event) {
-
+        Button button = (Button) event.getSource();
+        String number = button.getText();
+        if (isOperationClicked) {
+            inputField.clear();
+            isOperationClicked = false;
+        }
+        inputField.setText(inputField.getText() + number);
     }
 
     @FXML
-    void handleClearAction(ActionEvent event) {
+    protected void handleAddAction(ActionEvent event) {
-
+        performOperation("+");
     }
 
     @FXML
-    void handleClearsAction(ActionEvent event) {
+    protected void handleSubtractAction(ActionEvent event) {
-
+        performOperation("-");
     }
 
     @FXML
-    void handleDivideAction(ActionEvent event) {
+    protected void handleMultiplyAction(ActionEvent event) {
-
+        performOperation("*");
     }
 
     @FXML
-    void handleEqualAction(ActionEvent event) {
+    protected void handleDivideAction(ActionEvent event) {
-
+        performOperation("/");
     }
 
     @FXML
-    void handleModulusAction(ActionEvent event) {
+    protected void handleModulusAction(ActionEvent event) {
+        performOperation("%");
+    }
 
+    private void performOperation(String op) {
+        firstNumber = Double.parseDouble(inputField.getText());
+        operator = op;
+        isOperationClicked = true;
     }
 
     @FXML
-    void handleMultiplyAction(ActionEvent event) {
+    protected void handleEqualAction(ActionEvent event) {
+        double secondNumber = Double.parseDouble(inputField.getText());
+        double result = 0;
+
+        switch (operator) {
+            case "+":
+                result = firstNumber + secondNumber;
+                break;
+            case "-":
+                result = firstNumber - secondNumber;
+                break;
+            case "*":
+                result = firstNumber * secondNumber;
+                break;
+            case "/":
+                if (secondNumber != 0) {
+                    result = firstNumber / secondNumber;
+                } else {
+                    inputField.setText("Error");
+                    return;
+                }
+                break;
+            case "%":
+                result = firstNumber % secondNumber;
+                break;
+            default:
+                return;
+        }
+
+        inputField.setText(String.valueOf(result));
+        recordOperation(firstNumber, secondNumber, result);
+    }
 
+    private void recordOperation(double a, double b, double result) {
+        String operation = a + " " + operator + " " + b + " = " + result;
+        inputField1.setText(inputField1.getText() + "\n" + operation);
     }
 
     @FXML
-    void handleNumberAction(ActionEvent event) {
+    protected void handleClearAction(ActionEvent event) {
-
+        inputField.clear();
+        firstNumber = 0;
+        operator = "";
+        isOperationClicked = false;
     }
 
     @FXML
-    void handlePointAction(ActionEvent event) {
+    protected void handleClearsAction(ActionEvent event) {
-
+        inputField1.clear();
     }
 
     @FXML
-    void handleRemoveAction(ActionEvent event) {
+    protected void handlePointAction(ActionEvent event) {
-
+        if (!inputField.getText().contains(".")) {
+            inputField.setText(inputField.getText() + ".");
+        }
     }
 
     @FXML
-    void handleSubtractAction(ActionEvent event) {
+    protected void handleRemoveAction(ActionEvent event) {
-
+        inputField1.clear();
     }
-
 }

out/production/Calculator/README.md

@@ -1,2 +1,4 @@
-# Calculator
+# Calculator 计算器简单运算
+- `要求：`
+- 实现计算器加减乘除取余等的实现