需要的jar包：

jar包連結：

連結：https://pan.baidu.com/s/1ms_bBDNU8dXQxZ4VR6K4zQ 
提取碼：cnp2 

java程式碼：

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

import com.github.sarxos.webcam.Webcam;

import com.github.sarxos.webcam.WebcamPanel;

import com.github.sarxos.webcam.WebcamResolution;
import com.github.sarxos.webcam.WebcamUtils;
import com.github.sarxos.webcam.util.ImageUtils;

public class testWebCam {

	public static void main(String[] args) throws InterruptedException {

		Webcam webcam = Webcam.getDefault();
		webcam.setViewSize(WebcamResolution.VGA.getSize());
		WebcamPanel panel = new WebcamPanel(webcam);
		panel.setFPSDisplayed(true);
		panel.setDisplayDebugInfo(true);
		panel.setImageSizeDisplayed(true);
		panel.setMirrored(true);

		JFrame window = new JFrame("Test webcam panel");
		window.add(panel);
		window.setResizable(true);
		window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		window.pack();
		window.setVisible(true);

		final JButton button = new JButton("拍照");
		window.add(panel, BorderLayout.CENTER);
		window.add(button, BorderLayout.SOUTH);
		window.setResizable(true);
		window.pack();
		window.setVisible(true);
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {

				button.setEnabled(false); // 設定按鈕不可點選

				// 實現拍照儲存-------start
				String fileName = "D://" + System.currentTimeMillis(); // 儲存路徑即圖片名稱（不用加字尾）
				WebcamUtils.capture(webcam, fileName, ImageUtils.FORMAT_PNG);
				SwingUtilities.invokeLater(new Runnable() {

					@Override
					public void run() {
						JOptionPane.showMessageDialog(null, "拍照成功");
						button.setEnabled(true); // 設定按鈕可點選

						return;
					}
				});
				// 實現拍照儲存-------end

			}
		});

	}

}
 
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