PYQT搭建相关记录

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class Demo(QWidget):       def __init__(self):         super(Demo, self).__init__()         # 设置标题 icon 尺寸         self.setWindowTitle("Demo")         self.setWindowIcon(QtGui.QIcon('./ico/ico.png'))         self.resize(1090, 900)                   # 更改绘图的背景颜色 - 'w': 白色         pg.setConfigOption('background', 'w')         # 更改前端字体类显示颜色 - 'k': 黑色         pg.setConfigOption('foreground', 'k')           # Button         style_setting = "background-color:  #d0d0d0; color: #000000 ;padding: 8px ; border-width: 10px ; border-radius: 4px ; border-color: #FAEBD7;"               self.button1 = QPushButton(self)         self.button1.setText('start')         self.button1.setStyleSheet(style_setting)         self.button1.move(5, 10)         self.button1.clicked.connect(self.start)                     # ComboBox         self.box0 = QtWidgets.QComboBox(self)         self.box0.setGeometry(QtCore.QRect(15, 20, 100, 30))         self.box0.setStyleSheet(style_setting)         list0 = ['1', '2', '3']         self.box0.addItems(list0)         self.box0.currentIndexChanged[str].connect(self.settime)                if self.box0.currentText():             self.time=int(self.box0.currentText())           # Label         self.label = QtWidgets.QLabel(self)         self.label.setGeometry(QtCore.QRect(30, 30, 100, 100))         self.label.setText("<font color=red size=32 > <b>hello</b>")             # PlotWidget         self.p1 = PlotWidget(self)         self.p1.setLabel(axis='bottom', text='C1')         self.p1.setGeometry(QtCore.QRect(15, 40, 200, 100))                   self.p1.setYRange(x, y)         self.curve1 = self.p1.plot(np.random.normal(size=100), pen='cc0033')         self.curve1.setData(np.array(data))                     # TextEdit         self.word = QTextEdit(self)         # self.word.setObjectName("show")         self.word.setWindowTitle("show")         self.word.setGeometry(QtCore.QRect(50, 10, 100, 200))           self.word.setFrameShape(QtWidgets.QFrame.Box)   #Box/Panel         self.word.setFrameShadow(QtWidgets.QFrame.Raised)   #Raised、Sunken、Plain         self.word.setLineWidth(2)         self.word.setStyleSheet('border-width: 1px;border-style: solid;border-color: rgb(0, 0, 0);background-color: rgb(255, 255, 255);')           # self.word.setWordWrap(True)         self.word.setAlignment(Qt.AlignLeft | Qt.AlignTop)         # self.setWindowFlags(Qt.SplashScreen | Qt.FramelessWindowHint)  # 设置无边框窗口         self.word.setCursor(Qt.IBeamCursor)           self.t1= self.wordlabel.textCursor()   #光标         self.t2 = QTextCharFormat()         self.t2.setFontFamily('黑体')         self.t2.setFontPointSize(20)         self.t1.insertText(self.seq,self.t2)           self.word.clear()    # 清空内容             # Thread                   self.my_thread = ComThread()         self.my_thread.expSignal.connect(self.data)         self.my_thread.start()         self.my_thread.close_port()           class ComThread(QThread):             expSignal = pyqtSignal(bool)             def __init__(self):                 super(ComThread, self).__init__()             def push(self):                 self.expSignal.emit(data)             def run(self):                 self.push()       if __name__ == '__main__':       app = QApplication(sys.argv)     demo = Demo()     demo.show()     sys.exit(app.exec())

　　

 

designer

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# QPushButton          objectname=Btn1 # line # QLabel # QListWidget           objectname=showBox1 # QLineEdit               objectname=showBox2       class MyApp(QMainWindow, Ui_list[0][0]):     dataSignal = pyqtSignal(str)       def __init__(self):         QMainWindow.__init__(self)         Ui_list[0][0].__init__(self)         self.setupUi(self)                   self.Btn1.clicked.connect(lambda: self.Clicked(0))           self.dataSignal.connect(self.showdata)                         def showdata(self,data):         cnt = self.showBox1.count()         if cnt > 50:                    #最多显示N条信息             self.showBox1.takeItem(0)         self.showBox1.addItem(data)       def Clicked(self,n):         if n==0:             data=self.showBox2.text()             self.dataSignal.emit(data)             inputs=self.showBox2.setText('input')                          if __name__ == '__main__':     QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)  # 防止控件变形     app = QApplication(sys.argv)     window = MyApp()     window.show()     sys.exit(app.exec_())