1. 安装opencv库
pip install opencv-python
2. 界面
3 .代码
界面设计: palette = QPalette() icon = QPixmap('c.jpg').scaled(800, 600) palette.setBrush(self.backgroundRole(), QBrush(icon)) self.setPalette(palette) self.resize(600, 400) self.label = QLabel(self) self.label.setFixedSize(390, 250) self.label.move(100, 80) self.label.setText("显示录像") self.label.setStyleSheet("QLabel{background:white;}" "QLabel{color:rgb(300,300,300,120);font-size:10px;font-weight:bold;font-family:宋体;}" ) btn = QPushButton(self) btn1 = QPushButton(self) btn.move(10, 20) btn1.move(10, 60) btn1.setText("停止录像") btn.setText("录像") 刷新摄像头的显示时间,实时显示: self.timer = QTimer() self.timer.start() # 实时刷新,不然视频不动态 self.timer.setInterval(100) # 设置刷新时间 def start(self, event): self.cap = cv2.VideoCapture(0) #开启摄像头 self.timer.timeout.connect(self.capPicture) """ 开启视频"""使用label的setPixmap方法显示 if (self.cap.isOpened()): # get a frame ret, img = self.cap.read() height, width, bytesPerComponent = img.shape bytesPerLine = bytesPerComponent * width # 变换彩色空间顺序 cv2.cvtColor(img, cv2.COLOR_BGR2RGB, img) # 转为QImage对象 self.image = QImage(img.data, width, height, bytesPerLine, QImage.Format_RGB888) self.label.setPixmap(QPixmap.fromImage(self.image).scaled(self.label.width(), self.label.height())) """ 停止录像""" self.cap.release() self.label.setText(" ") 4. 代码详情地址
https://download.csdn.net/my