parent
67d8df86ac
commit
f6aa2550cc
@ -0,0 +1,3 @@
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||||
# 默认忽略的文件
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/shelf/
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/workspace.xml
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@ -0,0 +1,11 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/Calculator.iml" filepath="$PROJECT_DIR$/.idea/Calculator.iml" />
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</modules>
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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@ -1,97 +1,20 @@
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import javafx.application.Application;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Scene;
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import javafx.stage.Stage;
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public class Calculator extends JFrame implements ActionListener {
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private JTextField display;
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private double num1 = 0, num2 = 0, result = 0;
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private String operation = "";
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public Calculator() {
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setTitle("简易计算器");
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setSize(400, 600);
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setLayout(new BorderLayout());
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// 显示屏
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display = new JTextField();
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display.setEditable(false);
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display.setHorizontalAlignment(JTextField.RIGHT);
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add(display, BorderLayout.NORTH);
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// 按钮面板
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JPanel panel = new JPanel();
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panel.setLayout(new GridLayout(4, 4, 10, 10));
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String[] buttons = {"7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "C", "0", "=", "+"};
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for (String text : buttons) {
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JButton button = new JButton(text);
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button.addActionListener(this);
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panel.add(button);
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}
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add(panel, BorderLayout.CENTER);
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setVisible(true);
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}
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public class Calculator extends Application {
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@Override
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public void actionPerformed(ActionEvent e) {
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String command = e.getActionCommand();
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if (command.equals("C")) {
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clearDisplay();
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} else if (command.equals("=")) {
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calculateResult();
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} else {
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handleInput(command);
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}
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}
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private void handleInput(String input) {
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if (input.matches("[0-9]")) {
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display.setText(display.getText() + input);
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} else {
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operation = input;
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num1 = Double.parseDouble(display.getText());
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display.setText("");
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}
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}
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private void calculateResult() {
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num2 = Double.parseDouble(display.getText());
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switch (operation) {
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case "+":
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result = num1 + num2;
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break;
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case "-":
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result = num1 - num2;
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break;
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case "*":
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result = num1 * num2;
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break;
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case "/":
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if (num2 != 0) {
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result = num1 / num2;
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} else {
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display.setText("Error");
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return;
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}
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break;
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case "%":
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result = num1 % num2;
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break;
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}
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display.setText(String.valueOf(result));
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}
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private void clearDisplay() {
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display.setText("");
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num1 = 0;
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num2 = 0;
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result = 0;
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operation = "";
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public void start(Stage primaryStage) throws Exception {
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FXMLLoader loader = new FXMLLoader(getClass().getResource("Calculator.fxml"));
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Scene scene = new Scene(loader.load());
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primaryStage.setTitle("简易计算器");
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primaryStage.setScene(scene);
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primaryStage.show();
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}
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public static void main(String[] args) {
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new Calculator();
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launch(args);
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}
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}
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import javafx.fxml.FXML;
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import javafx.scene.control.TextField;
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import javafx.scene.control.Button;
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import javafx.event.ActionEvent;
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public class CalculatorController {
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@FXML
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private TextField inputField;
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@FXML
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private TextField inputField1; // 用于显示计算记录
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private double firstNumber = 0;
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private String operator = "";
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private boolean isOperationClicked = false;
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@FXML
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protected void handleNumberAction(ActionEvent event) {
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Button button = (Button) event.getSource();
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String number = button.getText();
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if (isOperationClicked) {
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inputField.clear();
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isOperationClicked = false;
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}
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inputField.setText(inputField.getText() + number);
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}
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@FXML
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protected void handleAddAction(ActionEvent event) {
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performOperation("+");
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}
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@FXML
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protected void handleSubtractAction(ActionEvent event) {
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performOperation("-");
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}
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@FXML
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protected void handleMultiplyAction(ActionEvent event) {
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performOperation("*");
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}
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@FXML
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protected void handleDivideAction(ActionEvent event) {
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performOperation("/");
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}
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@FXML
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protected void handleModulusAction(ActionEvent event) {
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performOperation("%");
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}
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private void performOperation(String op) {
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firstNumber = Double.parseDouble(inputField.getText());
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operator = op;
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isOperationClicked = true;
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}
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@FXML
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protected void handleEqualAction(ActionEvent event) {
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double secondNumber = Double.parseDouble(inputField.getText());
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double result = 0;
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switch (operator) {
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case "+":
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result = firstNumber + secondNumber;
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break;
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case "-":
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result = firstNumber - secondNumber;
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break;
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case "*":
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result = firstNumber * secondNumber;
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break;
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case "/":
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if (secondNumber != 0) {
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result = firstNumber / secondNumber;
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} else {
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inputField.setText("Error");
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return;
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}
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break;
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case "%":
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result = firstNumber % secondNumber;
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break;
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default:
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return;
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}
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inputField.setText(String.valueOf(result));
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recordOperation(firstNumber, secondNumber, result);
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}
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private void recordOperation(double a, double b, double result) {
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String operation = a + " " + operator + " " + b + " = " + result;
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inputField1.setText(inputField1.getText() + "\n" + operation);
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}
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@FXML
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protected void handleClearAction(ActionEvent event) {
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inputField.clear();
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firstNumber = 0;
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operator = "";
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isOperationClicked = false;
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}
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@FXML
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protected void handleClearsAction(ActionEvent event) {
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inputField1.clear();
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}
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@FXML
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protected void handlePointAction(ActionEvent event) {
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if (!inputField.getText().contains(".")) {
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inputField.setText(inputField.getText() + ".");
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}
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}
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@FXML
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protected void handleRemoveAction(ActionEvent event) {
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inputField1.clear();
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}
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}
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@ -0,0 +1,3 @@
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# 默认忽略的文件
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/shelf/
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/workspace.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/Calculator.iml" filepath="$PROJECT_DIR$/.idea/Calculator.iml" />
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</modules>
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</component>
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</project>
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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Binary file not shown.
Binary file not shown.
@ -0,0 +1,116 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<?import javafx.scene.control.Button?>
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<?import javafx.scene.control.TextField?>
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<?import javafx.scene.layout.AnchorPane?>
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<?import javafx.scene.layout.ColumnConstraints?>
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<?import javafx.scene.layout.GridPane?>
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<?import javafx.scene.layout.RowConstraints?>
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<?import javafx.scene.text.Font?>
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<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">
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<TextField fx:id="inputField" editable="false" layoutX="14.0" layoutY="14.0" prefHeight="80.0" prefWidth="210.0" />
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<GridPane hgap="10" layoutX="20.0" layoutY="70.0" vgap="10">
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<columnConstraints>
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<ColumnConstraints />
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</columnConstraints>
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<rowConstraints>
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<RowConstraints />
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</rowConstraints>
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</GridPane>
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<Button graphicTextGap="5.0" layoutX="30.0" layoutY="100.0" onAction="#handleAddAction" prefHeight="30.0" prefWidth="30.0" text="+" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button layoutX="180.0" layoutY="250.0" onAction="#handleEqualAction" prefHeight="80.0" prefWidth="30.0" text="=" />
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<Button layoutX="180.0" layoutY="150.0" onAction="#handleClearAction" prefHeight="30.0" prefWidth="30.0" text="C" />
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<Button graphicTextGap="5.0" layoutX="80.0" layoutY="100.0" onAction="#handleSubtractAction" prefHeight="30.0" prefWidth="30.0" text="-" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="130.0" layoutY="150.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="9" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="80.0" layoutY="150.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="8" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="30.0" layoutY="150.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="7" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="130.0" layoutY="100.0" onAction="#handleMultiplyAction" prefHeight="30.0" prefWidth="30.0" text="*" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="130.0" layoutY="200.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="6" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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</Button>
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<Button graphicTextGap="5.0" layoutX="80.0" layoutY="200.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="5" wrapText="true">
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<font>
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<Font size="15.0" />
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</font>
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||||
</Button>
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||||
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<Button graphicTextGap="5.0" layoutX="30.0" layoutY="200.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="4" wrapText="true">
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<font>
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||||
<Font size="15.0" />
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||||
</font>
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||||
</Button>
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||||
<Button graphicTextGap="5.0" layoutX="180.0" layoutY="100.0" onAction="#handleDivideAction" prefHeight="30.0" prefWidth="30.0" text="/" wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
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||||
<Button graphicTextGap="5.0" layoutX="130.0" layoutY="250.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="3" wrapText="true">
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||||
<font>
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||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
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||||
<Button graphicTextGap="5.0" layoutX="80.0" layoutY="250.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="2" wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
|
||||
<Button graphicTextGap="5.0" layoutX="30.0" layoutY="250.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="1" wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
|
||||
<Button graphicTextGap="5.0" layoutX="130.0" layoutY="300.0" onAction="#handlePointAction" prefHeight="30.0" prefWidth="30.0" text="." wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
|
||||
<Button layoutX="30.0" layoutY="300.0" onAction="#handleModulusAction" prefHeight="30.0" prefWidth="30.0" text="\%" />
|
||||
<Button graphicTextGap="5.0" layoutX="80.0" layoutY="300.0" onAction="#handleNumberAction" prefHeight="30.0" prefWidth="30.0" text="0" wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
|
||||
<Button graphicTextGap="5.0" layoutX="180.0" layoutY="200.0" onAction="#handleClearsAction" prefHeight="30.0" prefWidth="30.0" text="A" wrapText="true">
|
||||
<font>
|
||||
<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" />
|
||||
<Button graphicTextGap="5.0" layoutX="250.0" layoutY="60.0" onAction="#handleRemoveAction" text="清空记录" wrapText="true">
|
||||
<font>
|
||||
<Font size="15.0" />
|
||||
</font>
|
||||
</Button>
|
||||
<!-- <View layoutX="-134.0" layoutY="-155.0" />-->
|
||||
</AnchorPane>
|
||||
@ -0,0 +1,2 @@
|
||||
# Calculator
|
||||
|
||||
Loading…
Reference in new issue