@[TOC]

1.需要的依赖

        <dependency>
            <groupId>com.github.sarxos</groupId>
            <artifactId>webcam-capture</artifactId>
            <version>0.3.12</version>
        </dependency>

2.新建CameraUtils工具类

package com.ruoyi.fangzhou.util;

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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

/**
 * 相机测试
 */
public class CameraUtils {
   
   

    public static final Logger logger = LoggerFactory.getLogger(CameraUtils.class);

    public static void openCamera() {
   
   
        //默认获取一个Webcam对象
        final Webcam webcam = Webcam.getDefault();
        //设置窗口大小
        webcam.setViewSize(WebcamResolution.VGA.getSize());
        //获取画板
        WebcamPanel panel = new WebcamPanel(webcam);
        //设置FPS显示
        panel.setFPSDisplayed(true);
        //设置debug日志
        panel.setDisplayDebugInfo(true);
        //设置显示图片尺寸
        panel.setImageSizeDisplayed(true);
        //设置镜像
        panel.setMirrored(true);

        //获取框架jdk
        JFrame window = new JFrame("照相机拍照");

        //框架中加入画板
        window.add(panel);
        //设置此帧是否可由用户调整大小
        window.setResizable(true);
        //调用任意已注册 WindowListener 的对象后自动隐藏并释放该窗体
        window.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        //自适应窗口
        window.pack();
        //设置窗口可见
        window.setVisible(true);
        //设置监听事件
        window.addWindowListener(new WindowListener() {
   
   

            @Override
            public void windowOpened(WindowEvent e) {
   
   

            }

            @Override
            public void windowClosing(WindowEvent e) {
   
   

            }

            @Override
            public void windowClosed(WindowEvent e) {
   
   
                //关闭摄像头
                webcam.close();
            }

            @Override
            public void windowIconified(WindowEvent e) {
   
   

            }

            @Override
            public void windowDeiconified(WindowEvent e) {
   
   

            }

            @Override
            public void windowActivated(WindowEvent e) {
   
   

            }

            @Override
            public void windowDeactivated(WindowEvent e) {
   
   

            }


        });

        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);  //设置按钮不可点击

                //实现拍照保存-------start
                String fileName = "E://picture//" + System.currentTimeMillis();       //保存路径即图片名称（不用加后缀）
                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);    //设置按钮可点击

                        return;
                    }
                });
                //实现拍照保存-------end

            }
        });
    }
}

3 main方法测试

public static void main(String[] args) {
   
   
        CameraUtils.openCamera();
    }

结果很好用！