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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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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" 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://$PROJECT_DIR$/jeidui1.iml" filepath="$PROJECT_DIR$/jeidui1.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="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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import javafx.application.Application;
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import javafx.beans.binding.Bindings;
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import javafx.beans.property.*;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.*;
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import javafx.scene.layout.*;
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import javafx.stage.Stage;
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public class Main extends Application {
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private TextField display = new TextField();
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private Button[] numberButtons = new Button[10];
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private Button addButton, subtractButton, multiplyButton, divideButton, modulusButton, equalsButton, clearButton;
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private Label statusLabel = new Label("");
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private SimpleDoubleProperty firstOperand = new SimpleDoubleProperty(0);
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private SimpleDoubleProperty secondOperand = new SimpleDoubleProperty(0);
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private String operator = "";
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@Override
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public void start(Stage primaryStage) {
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GridPane grid = new GridPane();
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grid.setAlignment(Pos.CENTER);
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grid.setHgap(10);
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grid.setVgap(10);
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display.setEditable(false);
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grid.add(display, 0, 0, 4, 1);
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for (int i = 0; i < 10; i++) {
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numberButtons[i] = new Button(String.valueOf(i));
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grid.add(numberButtons[i], (i % 3), (i / 3) + 1);
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}
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addButton = new Button("+");
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subtractButton = new Button("-");
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multiplyButton = new Button("*");
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divideButton = new Button("/");
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modulusButton = new Button("%");
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equalsButton = new Button("=");
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clearButton = new Button("C");
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grid.add(addButton, 3, 1);
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grid.add(subtractButton, 3, 2);
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grid.add(multiplyButton, 3, 3);
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grid.add(divideButton, 3, 4);
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grid.add(modulusButton, 3, 5);
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grid.add(equalsButton, 3, 6);
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grid.add(clearButton, 3, 7);
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for (int i = 0; i < 10; i++) {
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int finalI = i;
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numberButtons[i].setOnAction(e -> display.appendText(String.valueOf(finalI)));
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}
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addButton.setOnAction(e -> setOperator("+"));
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subtractButton.setOnAction(e -> setOperator("-"));
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multiplyButton.setOnAction(e -> setOperator("*"));
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divideButton.setOnAction(e -> setOperator("/"));
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modulusButton.setOnAction(e -> setOperator("%"));
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equalsButton.setOnAction(e -> calculate());
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clearButton.setOnAction(e -> clear());
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Scene scene = new Scene(grid, 300, 400);
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primaryStage.setTitle("Calculator");
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primaryStage.setScene(scene);
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primaryStage.show();
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}
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private void setOperator(String op) {
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if (!operator.isEmpty()) {
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calculate();
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}
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operator = op;
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firstOperand.setValue(Double.parseDouble(display.getText()));
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display.clear();
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}
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private void calculate() {
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if (!operator.isEmpty()) {
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secondOperand.setValue(Double.parseDouble(display.getText()));
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double result = 0;
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switch (operator) {
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case "+":
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result = firstOperand.get() + secondOperand.get();
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break;
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case "-":
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result = firstOperand.get() - secondOperand.get();
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break;
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case "*":
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result = firstOperand.get() * secondOperand.get();
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break;
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case "/":
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if (secondOperand.get() != 0) {
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result = firstOperand.get() / secondOperand.get();
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} else {
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statusLabel.setText("Cannot divide by zero");
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return;
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}
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break;
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case "%":
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result = firstOperand.get() % secondOperand.get();
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break;
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}
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display.setText(String.format("%.2f", result));
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operator = "";
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}
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}
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private void clear() {
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display.clear();
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firstOperand.setValue(0);
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secondOperand.setValue(0);
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operator = "";
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}
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public static void main(String[] args) {
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launch(args);
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}
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}
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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="GENERAL_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 +1,3 @@
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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 +1,6 @@
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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" 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://$PROJECT_DIR$/jeidui1.iml" filepath="$PROJECT_DIR$/jeidui1.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="$PROJECT_DIR$" vcs="Git" />
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</component>
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||||
</project>
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||||
Binary file not shown.
@ -0,0 +1,11 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="GENERAL_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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