60 lines
1.3 KiB
Python
60 lines
1.3 KiB
Python
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# -*- coding: utf-8 -*-
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'''
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【簡介】
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PyQT5中QThread範例
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'''
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from PyQt5.QtCore import *
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from PyQt5.QtGui import *
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from PyQt5.QtWidgets import *
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import sys
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class MainWidget(QWidget):
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def __init__(self,parent=None):
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super(MainWidget,self).__init__(parent)
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self.setWindowTitle("QThread範例")
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self.thread = Worker()
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self.listFile = QListWidget()
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self.btnStart = QPushButton('開始')
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layout = QGridLayout(self)
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layout.addWidget(self.listFile,0,0,1,2)
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layout.addWidget(self.btnStart,1,1)
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self.btnStart.clicked.connect( self.slotStart )
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self.thread.sinOut.connect(self.slotAdd)
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def slotAdd(self,file_inf):
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self.listFile.addItem(file_inf)
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def slotStart(self):
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self.btnStart.setEnabled(False)
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self.thread.start()
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class Worker(QThread):
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sinOut = pyqtSignal(str)
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def __init__(self,parent=None):
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super(Worker,self).__init__(parent)
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self.working = True
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self.num = 0
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def __del__(self):
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self.working = False
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self.wait()
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def run(self):
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while self.working == True:
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file_str = 'File index {0}'.format(self.num)
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self.num += 1
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# 發射訊號
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self.sinOut.emit(file_str)
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# 執行緒休眠2秒
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self.sleep(2)
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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demo = MainWidget()
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demo.show()
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sys.exit(app.exec_())
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