对pyqt5多线程正确的开启姿势详解
如下所示:
#-*-coding:utf-8-*- importsys fromPyQt5.QtCoreimportQThread,pyqtSignal fromPyQt5.QtWidgetsimportQApplication,QMainWindow,QWidget,QMessageBox,\ QPushButton,QLineEdit,QLabel,QToolTip,QComboBox,QTextEdit classMyBeautifulClass(QMainWindow): def__init__(self): super(MyBeautifulClass,self).__init__() self.init_ui() definit_ui(self): self.resize(1000,800) self.setWindowTitle('DemoofPyQt5QThread') self.btn_1=QPushButton('start',self) self.btn_1.setGeometry(100,100,100,50) self.btn_1.clicked.connect(self.slot_btn_1) self.linEdit_2=QLineEdit(self) self.linEdit_2.setGeometry(100,400,300,50) defslot_btn_1(self): self.mbt=MyBeautifulThread() self.mbt.trigger.connect(self.slot_thread) self.mbt.start() defsay_love(self): print('saylove') defslot_thread(self,msg_1,msg_2): self.linEdit_2.setText(msg_1+msg_2) classMyBeautifulThread(QThread): trigger=pyqtSignal(str,str) def__init__(self): super(MyBeautifulThread,self).__init__() defrun(self): w=MyBeautifulClass() w.say_love() self.trigger.emit('Lo','ve') defmain(): app=QApplication(sys.argv) w=MyBeautifulClass() w.show() sys.exit(app.exec_()) if__name__=='__main__': main()
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