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代码:
from PyQt5 import QtCore, QtGui, QtWidgets
import subprocess
import time
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(800, 600)
self.centralWidget = QtWidgets.QWidget(MainWindow)
self.centralWidget.setObjectName("centralWidget")
# self.progressBar = QtWidgets.QProgressBar(self.centralWidget)
# self.progressBar.setGeometry(QtCore.QRect(210, 100, 118, 23))
# self.progressBar.setProperty("value", 0)
# self.progressBar.setObjectName("progressBar")
self.pushButton = QtWidgets.QPushButton(self.centralWidget)
self.pushButton.setGeometry(QtCore.QRect(60, 100, 75, 23))
self.pushButton.setObjectName("pushButton")
self.label = QtWidgets.QLabel(self.centralWidget)
self.label.setGeometry(QtCore.QRect(70, 210, 441, 181))
self.label.setObjectName("label")
MainWindow.setCentralWidget(self.centralWidget)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.pushButton.setText(_translate("MainWindow", "PushButton"))
self.pushButton.clicked.connect(self.test)
def test(self):
p = subprocess.Popen(['ping', 'www.baidu.com', '-n', '4'], stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
for line in p.stdout:
k1 = line.decode("gb2312")
self.label.setText(k1)
QtWidgets.QApplication.processEvents()
time.sleep(1)
p = None
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
实现的现象是一条一条的在同一位置显示,不是和命令行一样动态的全部显示,是否显示控件选错了?
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