1. 前言
最近的项目中需要用到摄像头获取画面，于是利用OpenCV-python写了个调用摄像头的程序，同时为了后面开发和使用方便，这里利用pyqt5设计了个简单的UI界面。调用摄像头的程序非常简单，网上也有很多类似代码但带界面的不多，本来只想写个利用摄像头获取画面的程序，后来一想干脆在里面加了个拍照并保存照片的功能，有需要的朋友可以在上面进行改进或再次开发。
2. 界面设计
从运行界面就能看出，这里UI界面的层次是非常简单的，利用Qt-Designer进行设计，拖出三个按钮及两个label控件摆放如下面的界面窗口所示：
所添加控件的层次和命名如下图所示：
当然虽说目的是写个简单版的相机UI界面，但为了适当美观博主还对控件的字体、文本显示、图标等进行了设置，其中用到的图片资源如下图所示：
利用PyQt5中的PyUIC工具将UI文件转换为py文件，其代码如下，在其中就能看到对于控件的具体设置：
python # -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'Camera.ui' # # Created by: PyQt5 UI code generator 5.11.3 # # WARNING! All changes made in this file will be lost! from PyQt5 import QtCore, QtGui, QtWidgets class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.setWindowModality(QtCore.Qt.NonModal) MainWindow.resize(765, 645) MainWindow.setMinimumSize(QtCore.QSize(765, 645)) MainWindow.setMaximumSize(QtCore.QSize(16777215, 16777215)) icon = QtGui.QIcon() icon.addPixmap(QtGui.QPixmap(":/newPrefix/pic/pai.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) MainWindow.setWindowIcon(icon) MainWindow.setToolTip("") MainWindow.setAutoFillBackground(False) MainWindow.setTabShape(QtWidgets.QTabWidget.Rounded) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.centralwidget) self.horizontalLayout_2.setObjectName("horizontalLayout_2") self.verticalLayout = QtWidgets.QVBoxLayout() self.verticalLayout.setObjectName("verticalLayout") self.label = QtWidgets.QLabel(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Preferred) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.label.sizePolicy().hasHeightForWidth()) self.label.setSizePolicy(sizePolicy) font = QtGui.QFont() font.setFamily("华文隶书") font.setPointSize(20) self.label.setFont(font) self.label.setAlignment(QtCore.Qt.AlignCenter) self.label.setObjectName("label") self.verticalLayout.addWidget(self.label) self.horizontalLayout = QtWidgets.QHBoxLayout() self.horizontalLayout.setSizeConstraint(QtWidgets.QLayout.SetDefaultConstraint) self.horizontalLayout.setContentsMargins(-1, 50, -1, -1) self.horizontalLayout.setSpacing(0) self.horizontalLayout.setObjectName("horizontalLayout") self.pushButton_open = QtWidgets.QPushButton(self.centralwidget) self.pushButton_open.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_open.setMaximumSize(QtCore.QSize(120, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_open.setFont(font) icon1 = QtGui.QIcon() icon1.addPixmap(QtGui.QPixmap(":/newPrefix/pic/g1.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.pushButton_open.setIcon(icon1) self.pushButton_open.setObjectName("pushButton_open") self.horizontalLayout.addWidget(self.pushButton_open) self.pushButton_take = QtWidgets.QPushButton(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.pushButton_take.sizePolicy().hasHeightForWidth()) self.pushButton_take.setSizePolicy(sizePolicy) self.pushButton_take.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_take.setMaximumSize(QtCore.QSize(100, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_take.setFont(font) self.pushButton_take.setIcon(icon) self.pushButton_take.setObjectName("pushButton_take") self.horizontalLayout.addWidget(self.pushButton_take) self.pushButton_close = QtWidgets.QPushButton(self.centralwidget) self.pushButton_close.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_close.setMaximumSize(QtCore.QSize(130, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_close.setFont(font) icon2 = QtGui.QIcon() icon2.addPixmap(QtGui.QPixmap(":/newPrefix/pic/down.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.pushButton_close.setIcon(icon2) self.pushButton_close.setObjectName("pushButton_close") self.horizontalLayout.addWidget(self.pushButton_close) self.horizontalLayout.setStretch(0, 1) self.horizontalLayout.setStretch(1, 1) self.horizontalLayout.setStretch(2, 1) self.verticalLayout.addLayout(self.horizontalLayout) self.label_face = QtWidgets.QLabel(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.label_face.sizePolicy().hasHeightForWidth()) self.label_face.setSizePolicy(sizePolicy) self.label_face.setMinimumSize(QtCore.QSize(0, 0)) self.label_face.setMaximumSize(QtCore.QSize(16777215, 16777215)) font = QtGui.QFont() font.setFamily("楷体") font.setPointSize(16) self.label_face.setFont(font) self.label_face.setLayoutDirection(QtCore.Qt.LeftToRight) self.label_face.setStyleSheet("background-color: rgb(192, 218, 255);") self.label_face.setAlignment(QtCore.Qt.AlignCenter) self.label_face.setObjectName("label_face") self.verticalLayout.addWidget(self.label_face) self.verticalLayout.setStretch(2, 5) self.horizontalLayout_2.addLayout(self.verticalLayout) MainWindow.setCentralWidget(self.centralwidget) self.actionGoogle_Translate = QtWidgets.QAction(MainWindow) self.actionGoogle_Translate.setObjectName("actionGoogle_Translate") self.actionHTML_type = QtWidgets.QAction(MainWindow) self.actionHTML_type.setObjectName("actionHTML_type") self.actionsoftware_version = QtWidgets.QAction(MainWindow) self.actionsoftware_version.setObjectName("actionsoftware_version") self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "Qt-Camera （思绪无限）")) self.label.setText(_translate("MainWindow", "Qt Camera - WuXian")) self.pushButton_open.setToolTip(_translate("MainWindow", "点击打开摄像头")) self.pushButton_open.setText(_translate("MainWindow", "打开摄像头")) self.pushButton_take.setToolTip(_translate("MainWindow", "点击拍照")) self.pushButton_take.setText(_translate("MainWindow", "拍照")) self.pushButton_close.setToolTip(_translate("MainWindow", "点击关闭摄像头")) self.pushButton_close.setText(_translate("MainWindow", "关闭摄像头")) self.label_face.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><img src=\":/newPrefix/pic/Hint.png\"/><span style=\" font-size:28pt;\">点击打开摄像头</span><br/></p></body></html>")) self.actionGoogle_Translate.setText(_translate("MainWindow", "Google Translate")) self.actionHTML_type.setText(_translate("MainWindow", "HTML type")) self.actionsoftware_version.setText(_translate("MainWindow", "software version")) import icon_rc
以上代码实现的是界面设计，通过调用以上的界面类可实现界面与逻辑的分离，不过这里我们的程序比较简单，接下来直接在这个类中修改添加内部逻辑。
3. 逻辑实现
3.1 开启摄像头
为了方便使用上面的界面类，在Ui_MainWindow中添加一个初始化方法，申明需要用到的变量并为控件设置对应事件的槽函数。如下的四个方法分别是初始化方法、设置槽函数、点击‘打开摄像头’按钮的槽函数，及定时器到时槽函数。实现打开摄像头功能的思路是点击‘打开摄像头’按钮后开始计时，每隔一定时长刷新屏幕上的画面，间隔很短这样在点击后就能看到捕捉的连续画面。这部分代码如下：
python def __init__(self, MainWindow): self.timer_camera = QtCore.QTimer() # 定时器 self.setupUi(MainWindow) self.retranslateUi(MainWindow) self.cap = cv2.VideoCapture() # 准备获取图像 self.CAM_NUM = 0 self.slot_init() # 设置槽函数 def slot_init(self): # 设置槽函数 self.pushButton_open.clicked.connect(self.button_open_camera_click) self.timer_camera.timeout.connect(self.show_camera) def button_open_camera_click(self): if self.timer_camera.isActive() == False: flag = self.cap.open(self.CAM_NUM) if flag == False: msg = QtWidgets.QMessageBox.warning( self, u"Warning", u"请检测相机与电脑是否连接正确", buttons=QtWidgets.QMessageBox.Ok, defaultButton=QtWidgets.QMessageBox.Ok) else: self.timer_camera.start(30) def show_camera(self): flag, self.image = self.cap.read() self.image=cv2.flip(self.image, 1) # 左右翻转 show = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB) showImage = QtGui.QImage(show.data, show.shape[1], show.shape[0], QtGui.QImage.Format_RGB888) self.label_face.setPixmap(QtGui.QPixmap.fromImage(showImage)) self.label_face.setScaledContents(True)
以上代码的主要思路是点击‘打开摄像头’按钮时调用该按钮的点击事件槽函数button_open_camera_click，在该函数中首先检查定时器是否已开启，若未开启则尝试打开摄像头，摄像头无法打开则弹出警告框，若摄像头存在让定时器开始运行。而定时器达到预设时长后则会执行定时器的槽函数show_camera，该函数将读取摄像头捕捉到的画面，在进行翻转、调整颜色形式后在label控件中显示。
3.2 拍照并保存照片
上面一节实现在label中显示实时画面，那么如何实现拍照功能？基本思路是当点击‘拍照’按钮后，程序将当前帧的画面保存为‘png’文件，这时画面停止在当前帧，为了提醒用户照片已保存，可在画面中显示一个字符串如‘The picture have saved !’。只需在前面的Ui_MainWindow类中添加‘拍照’按钮的槽函数，下面是实现代码：
python def takePhoto(self): if self.timer_camera.isActive() != False: now_time = time.strftime('%Y-%m-%d-%H-%M-%S',time.localtime(time.time())) print(now_time) cv2.imwrite('pic_'+str(now_time)+'.png',self.image) cv2.putText(self.image, 'The picture have saved !', (int(self.image.shape[1]/2-130), int(self.image.shape[0]/2)), cv2.FONT_HERSHEY_SCRIPT_COMPLEX, 1.0, (255, 0, 0), 1) self.timer_camera.stop() # 停止计时 show = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB) # 左右翻转 showImage = QtGui.QImage(show.data, show.shape[1], show.shape[0], QtGui.QImage.Format_RGB888) self.label_face.setPixmap(QtGui.QPixmap.fromImage(showImage)) self.label_face.setScaledContents(True)
该槽函数主要功能是将当前帧画面保存，使用OpenCV中的imerite函数保存图片文件，使用putText函数在图片中显示保存文件完成的提示信息，之后重新在label控件中显示带上文本标记的图像，实现效果如下图所示。
3.3 关闭摄像头
关闭摄像头功能实现上比较简单，只需在判断摄像头是否开启后根据情况停止获取摄像头画面，停止计时及清除显示界面的画面就可以了。同样的在Ui_MainWindow类中添加‘关闭摄像头’按钮的槽函数，其实现代码如下：
python def closeEvent(self): if self.timer_camera.isActive() != False: ok = QtWidgets.QPushButton() cacel = QtWidgets.QPushButton() # 提示信息 msg = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Warning, u"关闭", u"是否关闭！") msg.addButton(ok,QtWidgets.QMessageBox.ActionRole) msg.addButton(cacel, QtWidgets.QMessageBox.RejectRole) ok.setText(u'确定') cacel.setText(u'取消') if msg.exec_() != QtWidgets.QMessageBox.RejectRole: # 停止获取画面 if self.cap.isOpened(): self.cap.release() if self.timer_camera.isActive(): self.timer_camera.stop() # 使label重新恢复开始时的提示 self.label_face.setText("<html><head/><body><p align=\"center\"><img src=\":/newPrefix/pic/Hint.png\"/><span style=\" font-size:28pt;\">点击打开摄像头</span><br/></p></body></html>")
在点击‘关闭摄像头’按钮后，如摄像头在打开状态，弹出一个QMessageBox提示框提示一个确定关闭信息，用户选择确定后停止获取画面、停止计时并重新显示label的提示信息，运行结果如下图所示。
4. 完整代码
其中用到的图片文件来自博主创建的qrc资源文件中，可修改代码重新选择图片或在博主的个人下载资源页面下载源文件。为了方面使用，这里贴出全部的完整代码，以供参考：
python # -*- coding: utf-8 -*- # 思绪无限 # 博客网址：https://wuxian.blog.csdn.net/ # Created by: PyQt5 UI code generator 5.11.3 # 运行程序需安装：pyqt5、OpenCV-python from PyQt5 import QtCore, QtGui, QtWidgets from sys import argv,exit from PyQt5.QtWidgets import QApplication,QMainWindow import icon_rc import time import cv2 class Ui_MainWindow(object): def __init__(self, MainWindow): self.timer_camera = QtCore.QTimer() # 定时器 self.setupUi(MainWindow) self.retranslateUi(MainWindow) self.cap = cv2.VideoCapture() # 准备获取图像 self.CAM_NUM = 0 self.slot_init() # 设置槽函数 def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.setWindowModality(QtCore.Qt.NonModal) MainWindow.resize(765, 645) MainWindow.setMinimumSize(QtCore.QSize(765, 645)) MainWindow.setMaximumSize(QtCore.QSize(16777215, 16777215)) icon = QtGui.QIcon() icon.addPixmap(QtGui.QPixmap(":/newPrefix/pic/pai.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) MainWindow.setWindowIcon(icon) MainWindow.setToolTip("") MainWindow.setAutoFillBackground(False) MainWindow.setTabShape(QtWidgets.QTabWidget.Rounded) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.centralwidget) self.horizontalLayout_2.setObjectName("horizontalLayout_2") self.verticalLayout = QtWidgets.QVBoxLayout() self.verticalLayout.setObjectName("verticalLayout") self.label = QtWidgets.QLabel(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Preferred) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.label.sizePolicy().hasHeightForWidth()) self.label.setSizePolicy(sizePolicy) font = QtGui.QFont() font.setFamily("华文隶书") font.setPointSize(20) self.label.setFont(font) self.label.setAlignment(QtCore.Qt.AlignCenter) self.label.setObjectName("label") self.verticalLayout.addWidget(self.label) self.horizontalLayout = QtWidgets.QHBoxLayout() self.horizontalLayout.setSizeConstraint(QtWidgets.QLayout.SetDefaultConstraint) self.horizontalLayout.setContentsMargins(-1, 50, -1, -1) self.horizontalLayout.setSpacing(0) self.horizontalLayout.setObjectName("horizontalLayout") self.pushButton_open = QtWidgets.QPushButton(self.centralwidget) self.pushButton_open.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_open.setMaximumSize(QtCore.QSize(120, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_open.setFont(font) icon1 = QtGui.QIcon() icon1.addPixmap(QtGui.QPixmap(":/newPrefix/pic/g1.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.pushButton_open.setIcon(icon1) self.pushButton_open.setObjectName("pushButton_open") self.horizontalLayout.addWidget(self.pushButton_open) self.pushButton_take = QtWidgets.QPushButton(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.pushButton_take.sizePolicy().hasHeightForWidth()) self.pushButton_take.setSizePolicy(sizePolicy) self.pushButton_take.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_take.setMaximumSize(QtCore.QSize(100, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_take.setFont(font) self.pushButton_take.setIcon(icon) self.pushButton_take.setObjectName("pushButton_take") self.horizontalLayout.addWidget(self.pushButton_take) self.pushButton_close = QtWidgets.QPushButton(self.centralwidget) self.pushButton_close.setMinimumSize(QtCore.QSize(100, 40)) self.pushButton_close.setMaximumSize(QtCore.QSize(130, 40)) font = QtGui.QFont() font.setFamily("华文彩云") font.setPointSize(12) self.pushButton_close.setFont(font) icon2 = QtGui.QIcon() icon2.addPixmap(QtGui.QPixmap(":/newPrefix/pic/down.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) self.pushButton_close.setIcon(icon2) self.pushButton_close.setObjectName("pushButton_close") self.horizontalLayout.addWidget(self.pushButton_close) self.horizontalLayout.setStretch(0, 1) self.horizontalLayout.setStretch(1, 1) self.horizontalLayout.setStretch(2, 1) self.verticalLayout.addLayout(self.horizontalLayout) self.label_face = QtWidgets.QLabel(self.centralwidget) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding) sizePolicy.setHorizontalStretch(0) sizePolicy.setVerticalStretch(0) sizePolicy.setHeightForWidth(self.label_face.sizePolicy().hasHeightForWidth()) self.label_face.setSizePolicy(sizePolicy) self.label_face.setMinimumSize(QtCore.QSize(0, 0)) self.label_face.setMaximumSize(QtCore.QSize(16777215, 16777215)) font = QtGui.QFont() font.setFamily("楷体") font.setPointSize(16) self.label_face.setFont(font) self.label_face.setLayoutDirection(QtCore.Qt.LeftToRight) self.label_face.setStyleSheet("background-color: rgb(192, 218, 255);") self.label_face.setAlignment(QtCore.Qt.AlignCenter) self.label_face.setObjectName("label_face") self.verticalLayout.addWidget(self.label_face) self.verticalLayout.setStretch(2, 5) self.horizontalLayout_2.addLayout(self.verticalLayout) MainWindow.setCentralWidget(self.centralwidget) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "Qt-Camera （思绪无限）")) self.label.setText(_translate("MainWindow", "Qt Camera - WuXian")) self.pushButton_open.setToolTip(_translate("MainWindow", "点击打开摄像头")) self.pushButton_open.setText(_translate("MainWindow", "打开摄像头")) self.pushButton_take.setToolTip(_translate("MainWindow", "点击拍照")) self.pushButton_take.setText(_translate("MainWindow", "拍照")) self.pushButton_close.setToolTip(_translate("MainWindow", "点击关闭摄像头")) self.pushButton_close.setText(_translate("MainWindow", "关闭摄像头")) self.label_face.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><img src=\":/newPrefix/pic/Hint.png\"/><span style=\" font-size:28pt;\">点击打开摄像头</span><br/></p></body></html>")) def slot_init(self): # 设置槽函数 self.pushButton_open.clicked.connect(self.button_open_camera_click) self.timer_camera.timeout.connect(self.show_camera) self.pushButton_close.clicked.connect(self.closeEvent) self.pushButton_take.clicked.connect(self.takePhoto) def button_open_camera_click(self): if self.timer_camera.isActive() == False: flag = self.cap.open(self.CAM_NUM) if flag == False: msg = QtWidgets.QMessageBox.warning( self, u"Warning", u"请检测相机与电脑是否连接正确", buttons=QtWidgets.QMessageBox.Ok, defaultButton=QtWidgets.QMessageBox.Ok) else: self.timer_camera.start(30) def show_camera(self): flag, self.image = self.cap.read() self.image=cv2.flip(self.image, 1) # 左右翻转 show = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB) showImage = QtGui.QImage(show.data, show.shape[1], show.shape[0], QtGui.QImage.Format_RGB888) self.label_face.setPixmap(QtGui.QPixmap.fromImage(showImage)) self.label_face.setScaledContents(True) def takePhoto(self): if self.timer_camera.isActive() != False: now_time = time.strftime('%Y-%m-%d-%H-%M-%S',time.localtime(time.time())) print(now_time) cv2.imwrite('pic_'+str(now_time)+'.png',self.image) cv2.putText(self.image, 'The picture have saved !', (int(self.image.shape[1]/2-130), int(self.image.shape[0]/2)), cv2.FONT_HERSHEY_SCRIPT_COMPLEX, 1.0, (255, 0, 0), 1) self.timer_camera.stop() show = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB) # 左右翻转 showImage = QtGui.QImage(show.data, show.shape[1], show.shape[0], QtGui.QImage.Format_RGB888) self.label_face.setPixmap(QtGui.QPixmap.fromImage(showImage)) self.label_face.setScaledContents(True) def closeEvent(self): if self.timer_camera.isActive() != False: ok = QtWidgets.QPushButton() cacel = QtWidgets.QPushButton() msg = QtWidgets.QMessageBox(QtWidgets.QMessageBox.Warning, u"关闭", u"是否关闭！") msg.addButton(ok,QtWidgets.QMessageBox.ActionRole) msg.addButton(cacel, QtWidgets.QMessageBox.RejectRole) ok.setText(u'确定') cacel.setText(u'取消') if msg.exec_() != QtWidgets.QMessageBox.RejectRole: if self.cap.isOpened(): self.cap.release() if self.timer_camera.isActive(): self.timer_camera.stop() self.label_face.setText("<html><head/><body><p align=\"center\"><img src=\":/newPrefix/pic/Hint.png\"/><span style=\" font-size:28pt;\">点击打开摄像头</span><br/></p></body></html>") if __name__ == '__main__': app = QApplication(argv) window = QMainWindow() ui = Ui_MainWindow(window) window.show() exit(app.exec_())
【下载链接】
若您想获得博文中涉及的全部程序文件（包括图片,UI, py, qrc文件等），这里已打包上传至博主的CSDN下载资源中（里面文件情况如下图所示），下载后运行run_Camera.py文件即可运行。文件下载链接如下：
