小红书私信卡片一键生成，小红书链接生成器， 小红书跳转卡片免费【jar】

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这是一个完整的小红书私信卡片生成器Java应用程序
使用Swing GUI框架创建用户界面
支持自定义卡片标题、内容、链接和风格
提供5种不同风格的卡片模板
可以实时预览生成的卡片效果
支持将生成的卡片保存为PNG图片
包含Maven配置文件，可直接打包为可执行JAR

import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;

public class RedBookCardGenerator {
private JFrame frame;
private JTextField titleField;
private JTextArea contentArea;
private JTextField linkField;
private JComboBox styleComboBox;
private JLabel previewLabel;

public static void main(String[] args) {
    SwingUtilities.invokeLater(() -> {
        try {
            new RedBookCardGenerator().initialize();
        } catch (Exception e) {
            e.printStackTrace();
        }
    });
}

private void initialize() {
    frame = new JFrame("小红书卡片生成器");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(800, 600);
    frame.setLayout(new BorderLayout());

    // 顶部面板
    JPanel topPanel = new JPanel();
    topPanel.setLayout(new FlowLayout());
    topPanel.add(new JLabel("小红书卡片生成器", JLabel.CENTER));

    // 左侧输入面板
    JPanel inputPanel = new JPanel();
    inputPanel.setLayout(new GridLayout(5, 1, 10, 10));

    titleField = new JTextField("输入标题");
    contentArea = new JTextArea("输入内容...");
    contentArea.setLineWrap(true);
    JScrollPane contentScroll = new JScrollPane(contentArea);
    linkField = new JTextField("输入跳转链接");

    String[] styles = {"默认风格", "美食风格", "旅行风格", "美妆风格", "穿搭风格"};
    styleComboBox = new JComboBox<>(styles);

    inputPanel.add(new JLabel("标题:"));
    inputPanel.add(titleField);
    inputPanel.add(new JLabel("内容:"));
    inputPanel.add(contentScroll);
    inputPanel.add(new JLabel("链接:"));
    inputPanel.add(linkField);
    inputPanel.add(new JLabel("选择风格:"));
    inputPanel.add(styleComboBox);

    // 右侧预览面板
    JPanel previewPanel = new JPanel();
    previewLabel = new JLabel();
    previewLabel.setPreferredSize(new Dimension(300, 400));
    previewPanel.add(previewLabel);

    // 底部按钮面板
    JPanel buttonPanel = new JPanel();
    JButton generateButton = new JButton("生成卡片");
    JButton saveButton = new JButton("保存图片");

    generateButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            updatePreview();
        }
    });

    saveButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            saveImage();
        }
    });

    buttonPanel.add(generateButton);
    buttonPanel.add(saveButton);

    // 添加组件到主窗口
    frame.add(topPanel, BorderLayout.NORTH);
    frame.add(inputPanel, BorderLayout.WEST);
    frame.add(previewPanel, BorderLayout.CENTER);
    frame.add(buttonPanel, BorderLayout.SOUTH);

    frame.setVisible(true);
}

private void updatePreview() {
    // 创建预览图片
    BufferedImage image = new BufferedImage(300, 400, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = image.createGraphics();

    // 根据选择的风格设置背景色
    String style = (String)styleComboBox.getSelectedItem();
    switch(style) {
        case "美食风格":
            g.setColor(new Color(255, 240, 220));
            break;
        case "旅行风格":
            g.setColor(new Color(220, 240, 255));
            break;
        case "美妆风格":
            g.setColor(new Color(255, 220, 240));
            break;
        case "穿搭风格":
            g.setColor(new Color(240, 220, 255));
            break;
        default:
            g.setColor(new Color(240, 240, 240));
    }

    g.fillRect(0, 0, 300, 400);
    g.setColor(Color.BLACK);

    // 绘制标题
    g.setFont(new Font("微软雅黑", Font.BOLD, 18));
    drawCenteredString(g, titleField.getText(), new Rectangle(0, 20, 300, 30));

    // 绘制内容
    g.setFont(new Font("微软雅黑", Font.PLAIN, 14));
    drawWrappedText(g, contentArea.getText(), new Rectangle(20, 60, 260, 280));

    // 绘制底部链接
    g.setFont(new Font("微软雅黑", Font.ITALIC, 12));
    g.setColor(Color.BLUE);
    drawCenteredString(g, "点击查看详情 →", new Rectangle(0, 350, 300, 30));

    // 更新预览
    previewLabel.setIcon(new ImageIcon(image));
}

private void drawCenteredString(Graphics g, String text, Rectangle rect) {
    FontMetrics metrics = g.getFontMetrics();
    int x = rect.x + (rect.width - metrics.stringWidth(text)) / 2;
    int y = rect.y + ((rect.height - metrics.getHeight()) / 2) + metrics.getAscent();
    g.drawString(text, x, y);
}

private void drawWrappedText(Graphics g, String text, Rectangle rect) {
    FontMetrics metrics = g.getFontMetrics();
    String[] words = text.split(" ");
    String currentLine = "";

    int y = rect.y + metrics.getAscent();

    for (String word : words) {
        String testLine = currentLine.isEmpty() ? word : currentLine + " " + word;
        if (metrics.stringWidth(testLine) < rect.width) {
            currentLine = testLine;
        } else {
            g.drawString(currentLine, rect.x, y);
            y += metrics.getHeight();
            currentLine = word;
        }
    }

    if (!currentLine.isEmpty()) {
        g.drawString(currentLine, rect.x, y);
    }
}

private void saveImage() {
    try {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setDialogTitle("保存卡片图片");

        if (fileChooser.showSaveDialog(frame) == JFileChooser.APPROVE_OPTION) {
            File file = fileChooser.getSelectedFile();
            if (!file.getName().toLowerCase().endsWith(".png")) {
                file = new File(file.getParentFile(), file.getName() + ".png");
            }

            ImageIcon icon = (ImageIcon)previewLabel.getIcon();
            BufferedImage image = new BufferedImage(
                icon.getIconWidth(),
                icon.getIconHeight(),
                BufferedImage.TYPE_INT_RGB);

            Graphics g = image.createGraphics();
            icon.paintIcon(null, g, 0, 0);
            g.dispose();

            ImageIO.write(image, "png", file);
            JOptionPane.showMessageDialog(frame, "图片保存成功!");
        }
    } catch (Exception ex) {
        JOptionPane.showMessageDialog(frame, "保存失败: " + ex.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
    }
}

}