setText (new_num ) # 打开摄像头 def button_open_camera_click (self ) : global camera_or_local_flag New_num = str (cam_num ) #self.label_2.setText(cam_num) Image = None # 查看系统有几个摄像头 def button_find_camera_click (self ) :Ĭam_num = cam. setText (_translate ( "MainWindow", "开始识别" ) ) setText (_translate ( "MainWindow", "检查设备" ) ) setWindowTitle (_translate ( "MainWindow", "pyqt通用界面" ) ) # self.label_tText(_translate("MainWindow", "图片展示区")) Name_picture = 0 def retranslateUi (self, MainWindow ) : pushButton_Start_or_pause ) # 按钮4 选择模型:pushButton_shibie setObjectName ( "pushButton_Start_or_pause" ) setObjectName ( "pushButton_open_Local_video" ) setObjectName ( "pushButton_open_camera" ) setObjectName ( "pushButton_find_camera" ) setObjectName ( "verticalLayout_2" ) # 设置控件间的间距 verticalLayoutWidget_2 ) # QVBoxLayout类 垂直地摆放小部件 setObjectName ( "verticalLayoutWidget_2" ) verticalLayoutWidget ) # QVBoxLayout类 垂直地摆放小部件 setObjectName ( "MainWindow" ) # 1、总界面框大小 MainWindow release ( ) if not grabbed : breakĬlass Ui_MainWindow ( object ) : def setupUi (self, MainWindow ) : Len_last = 0 #查找系统有几个摄像头 class Camera : def _init_ (self, cam_preset_num = 10 ) :Ĭnt = 0 for device in range ( 0, self. QtWidgets import QWidget, QVBoxLayout, QPushButton, QTextEditįrom PyQt5.