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liujing33
47
swing-and-javafx/pom.xml
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47
swing-and-javafx/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.mangmang</groupId>
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<artifactId>learning-nexus</artifactId>
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<version>1.0.0</version>
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</parent>
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<name>swing-and-javafx</name>
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<artifactId>swing-and-javafx</artifactId>
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<packaging>jar</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<javafx.version>21</javafx.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.openjfx</groupId>
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<artifactId>javafx-controls</artifactId>
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<version>${javafx.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjfx</groupId>
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<artifactId>javafx-fxml</artifactId>
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<version>${javafx.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.openjfx</groupId>
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<artifactId>javafx-maven-plugin</artifactId>
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<version>0.0.8</version>
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<configuration>
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<mainClass>com.mangmang.HelloWorldFX</mainClass> <!-- 替换成你的主类 -->
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.mangmang;
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import javax.swing.*;
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import java.awt.*;
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/**
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* Hello world!
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*
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*/
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public class HelloWordSwing {
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public static void main(String[] args) {
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JFrame jFrame = new JFrame("Hello World Swing");
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jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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jFrame.setSize(300, 300);
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JButton button = new JButton("点击我");
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button.addActionListener(e -> {
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JOptionPane.showConfirmDialog(jFrame, "你点击了按钮");
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});
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jFrame.getContentPane().add(button, BorderLayout.CENTER);
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jFrame.setLocationRelativeTo(null);
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jFrame.setVisible(true);
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}
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}
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package com.mangmang;
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import javafx.application.Application;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.layout.StackPane;
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import javafx.stage.Stage;
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public class HelloWorldFX extends Application {
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@Override
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public void start(Stage primaryStage) {
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Button btn = new Button("点击我");
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btn.setOnAction(e -> System.out.println("你好，JavaFX！"));
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StackPane root = new StackPane();
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root.getChildren().add(btn);
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Scene scene = new Scene(root, 300, 250);
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primaryStage.setTitle("Hello JavaFX");
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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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package com.mangmang;
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import javafx.application.Application;
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import javafx.geometry.Insets;
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import javafx.scene.Scene;
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import javafx.scene.control.*;
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import javafx.scene.image.Image;
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import javafx.scene.image.ImageView;
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import javafx.scene.input.Dragboard;
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import javafx.scene.input.TransferMode;
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import javafx.scene.layout.*;
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import javafx.stage.FileChooser;
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import javafx.stage.Stage;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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public class ImageConverterApp extends Application {
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private ImageView imagePreview;
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private Label statusLabel;
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private Label imageInfoLabel;
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private ComboBox<String> formatComboBox;
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private TextField outputDirField;
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private List<File> selectedFiles;
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// 支持的图像格式
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private final String[] supportedFormats = {"JPEG", "PNG", "BMP", "GIF", "TIFF"};
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@Override
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public void start(Stage primaryStage) {
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primaryStage.setTitle("图像格式转换工具");
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// 创建主布局
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BorderPane mainLayout = new BorderPane();
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mainLayout.setPadding(new Insets(10));
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// 创建顶部工具栏
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HBox toolbar = createToolbar();
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mainLayout.setTop(toolbar);
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// 创建中间内容区域
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VBox centerContent = createCenterContent();
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mainLayout.setCenter(centerContent);
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// 创建底部状态栏
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HBox statusBar = createStatusBar();
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mainLayout.setBottom(statusBar);
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// 设置场景
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Scene scene = new Scene(mainLayout, 800, 600);
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primaryStage.setScene(scene);
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primaryStage.show();
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}
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private HBox createToolbar() {
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HBox toolbar = new HBox(10);
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toolbar.setPadding(new Insets(10));
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// 导入按钮
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Button importButton = new Button("导入图片");
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importButton.setOnAction(e -> importImages());
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// 格式选择下拉框
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Label formatLabel = new Label("转换格式:");
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formatComboBox = new ComboBox<>();
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formatComboBox.getItems().addAll(supportedFormats);
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formatComboBox.setValue(supportedFormats[0]);
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// 输出目录
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Label outputDirLabel = new Label("输出目录:");
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outputDirField = new TextField(System.getProperty("user.home"));
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outputDirField.setPrefWidth(200);
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Button browseButton = new Button("浏览...");
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browseButton.setOnAction(e -> browseOutputDirectory());
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// 转换按钮
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Button convertButton = new Button("开始转换");
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convertButton.setOnAction(e -> convertImages());
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toolbar.getChildren().addAll(
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importButton, new Separator(javafx.geometry.Orientation.VERTICAL),
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formatLabel, formatComboBox, new Separator(javafx.geometry.Orientation.VERTICAL),
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outputDirLabel, outputDirField, browseButton, new Separator(javafx.geometry.Orientation.VERTICAL),
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convertButton
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);
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return toolbar;
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}
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private VBox createCenterContent() {
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VBox centerContent = new VBox(10);
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centerContent.setPadding(new Insets(10));
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// 图片预览区域
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Label previewLabel = new Label("预览:");
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imagePreview = new ImageView();
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imagePreview.setFitHeight(300);
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imagePreview.setFitWidth(400);
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imagePreview.setPreserveRatio(true);
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// 图片信息标签
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imageInfoLabel = new Label("未加载图片");
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// 质量设置滑块
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HBox qualityBox = new HBox(10);
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Label qualityLabel = new Label("图像质量:");
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Slider qualitySlider = new Slider(0, 100, 80);
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qualitySlider.setShowTickLabels(true);
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qualitySlider.setShowTickMarks(true);
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qualitySlider.setMajorTickUnit(25);
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qualitySlider.setMinorTickCount(5);
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Label qualityValueLabel = new Label("80%");
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qualitySlider.valueProperty().addListener((obs, oldVal, newVal) -> qualityValueLabel.setText(String.format("%.0f%%", newVal.doubleValue())));
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qualityBox.getChildren().addAll(qualityLabel, qualitySlider, qualityValueLabel);
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// 创建拖放区域
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VBox dropZone = new VBox();
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dropZone.getChildren().addAll(imagePreview);
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dropZone.setStyle("-fx-border-color: #cccccc; -fx-border-style: dashed; -fx-background-color: #f7f7f7;");
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dropZone.setPadding(new Insets(20));
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dropZone.setAlignment(javafx.geometry.Pos.CENTER);
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// 设置拖放功能
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setupDragAndDrop(dropZone);
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centerContent.getChildren().addAll(previewLabel, dropZone, imageInfoLabel, qualityBox);
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return centerContent;
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}
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private HBox createStatusBar() {
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HBox statusBar = new HBox();
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statusBar.setPadding(new Insets(5));
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statusBar.setStyle("-fx-background-color: #e0e0e0;");
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statusLabel = new Label("就绪");
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statusBar.getChildren().add(statusLabel);
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return statusBar;
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}
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private void setupDragAndDrop(VBox dropZone) {
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dropZone.setOnDragOver(event -> {
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if (event.getDragboard().hasFiles()) {
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event.acceptTransferModes(TransferMode.COPY);
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}
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event.consume();
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});
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dropZone.setOnDragDropped(event -> {
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Dragboard db = event.getDragboard();
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boolean success = false;
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if (db.hasFiles()) {
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selectedFiles = db.getFiles();
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success = true;
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updatePreview(selectedFiles.get(0));
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}
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event.setDropCompleted(success);
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event.consume();
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});
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}
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private void importImages() {
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FileChooser fileChooser = new FileChooser();
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fileChooser.setTitle("选择图片文件");
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fileChooser.getExtensionFilters().addAll(
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new FileChooser.ExtensionFilter("图像文件", "*.jpg", "*.jpeg", "*.png", "*.bmp", "*.gif", "*.tiff")
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);
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selectedFiles = fileChooser.showOpenMultipleDialog(null);
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if (selectedFiles != null && !selectedFiles.isEmpty()) {
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updatePreview(selectedFiles.get(0));
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statusLabel.setText("已选择 " + selectedFiles.size() + " 个文件");
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}
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}
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private void browseOutputDirectory() {
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javafx.stage.DirectoryChooser directoryChooser = new javafx.stage.DirectoryChooser();
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directoryChooser.setTitle("选择输出目录");
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File selectedDirectory = directoryChooser.showDialog(null);
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if (selectedDirectory != null) {
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outputDirField.setText(selectedDirectory.getAbsolutePath());
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}
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}
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private void updatePreview(File imageFile) {
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try {
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Image image = new Image(imageFile.toURI().toString());
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imagePreview.setImage(image);
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// 更新图像信息
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String format = imageFile.getName().substring(imageFile.getName().lastIndexOf('.') + 1).toUpperCase();
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imageInfoLabel.setText(String.format(
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"文件名: %s\n尺寸: %.0fx%.0f\n格式: %s\n大小: %.2f KB",
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imageFile.getName(),
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image.getWidth(),
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image.getHeight(),
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format,
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imageFile.length() / 1024.0
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));
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} catch (Exception e) {
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statusLabel.setText("加载图片预览失败: " + e.getMessage());
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}
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}
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private void convertImages() {
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if (selectedFiles == null || selectedFiles.isEmpty()) {
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showAlert("请先选择图片文件");
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return;
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}
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String targetFormat = formatComboBox.getValue().toLowerCase();
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String outputDirectory = outputDirField.getText();
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File outputDir = new File(outputDirectory);
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if (!outputDir.exists() || !outputDir.isDirectory()) {
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if (!outputDir.mkdirs()) {
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showAlert("创建输出目录失败");
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return;
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}
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}
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int convertedCount = 0;
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for (File file : selectedFiles) {
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try {
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BufferedImage image = ImageIO.read(file);
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if (image == null) {
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statusLabel.setText("无法读取图片: " + file.getName());
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continue;
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}
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String fileName = file.getName().substring(0, file.getName().lastIndexOf('.'));
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File outputFile = new File(outputDir, fileName + "." + targetFormat);
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// 对于JPEG格式，可以设置质量
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ImageIO.write(image, targetFormat, outputFile);
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convertedCount++;
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} catch (IOException e) {
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statusLabel.setText("转换失败: " + e.getMessage());
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}
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}
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statusLabel.setText("转换完成，成功转换 " + convertedCount + " 个文件");
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showAlert("转换完成", "成功转换 " + convertedCount + " 个文件到 " + outputDirectory, Alert.AlertType.INFORMATION);
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}
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private void showAlert(String message) {
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showAlert("提示", message, Alert.AlertType.WARNING);
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}
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private void showAlert(String title, String message, Alert.AlertType alertType) {
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Alert alert = new Alert(alertType);
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alert.setTitle(title);
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alert.setHeaderText(null);
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alert.setContentText(message);
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alert.showAndWait();
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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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