parent
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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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<?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://$PROJECT_DIR$/.idea/lesson1.iml" filepath="$PROJECT_DIR$/.idea/lesson1.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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import javafx.application.Application;
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import javafx.scene.Scene;
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import javafx.scene.control.*;
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import javafx.scene.layout.VBox;
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import javafx.stage.Stage;
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public class text1 extends Application {
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@Override
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public void start(Stage primaryStage) {
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// 创建文本输入框
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TextField inputField = new TextField();
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inputField.setPromptText("输入一个十进制数");
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// 创建标签显示结果
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Label binaryLabel = new Label();
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Label octalLabel = new Label();
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Label hexLabel = new Label();
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// 创建按钮
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Button convertButton = new Button("转换");
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convertButton.setOnAction(e -> {
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try {
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int number = Integer.parseInt(inputField.getText());
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binaryLabel.setText(String.format("二进制: %s", Integer.toBinaryString(number).toUpperCase()));
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octalLabel.setText(String.format("八进制: %s", Integer.toOctalString(number)));
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hexLabel.setText(String.format("十六进制: %s", Integer.toHexString(number).toUpperCase()));
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} catch (NumberFormatException ex) {
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Alert alert = new Alert(Alert.AlertType.ERROR);
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alert.setTitle("输入错误");
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alert.setHeaderText("无效输入");
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alert.setContentText("请输入一个有效的十进制数。");
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alert.showAndWait();
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}
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});
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// 创建布局
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VBox vBox = new VBox(10);
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vBox.getChildren().addAll(inputField, convertButton, binaryLabel, octalLabel, hexLabel);
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// 设置场景
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Scene scene = new Scene(vBox, 300, 200);
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primaryStage.setTitle("进制转换器");
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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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launch(args);
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}
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}
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Reference in new issue