Python PyQt5进度条未运行
所以基本上我有一些程序,用来在后台显示逐行读取excel文件的进度。到目前为止,我有以下代码: excelresult.py:Python PyQt5进度条未运行,python,python-3.x,pyqt5,Python,Python 3.x,Pyqt5,所以基本上我有一些程序,用来在后台显示逐行读取excel文件的进度。到目前为止,我有以下代码: excelresult.py: from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtCore import pyqtSlot from PyQt5.QtCore import Qt, QBasicTimer import os, sys, xlrd, threading, time, pythoncom import win32com.cli
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtCore import Qt, QBasicTimer
import os, sys, xlrd, threading, time, pythoncom
import win32com.client
from time import sleep
from test import MyGlobals
class ExcelCheck(threading.Thread):
progPercent = 0
def __init__(self):
threading.Thread.__init__(self)
self.event = threading.Event()
def run(self):
pythoncom.CoInitialize()
try:
while not self.event.is_set():
excel = win32com.client.Dispatch("Excel.Application")
wb = excel.ActiveWorkbook
ws = wb.Worksheets("TC")
va_title = ws.Range(ws.Range('I7'), ws.Range('I700'))
i = 0
for r in va_title.Cells:
if r.Text != '':
i = i + 1
# print(r.Text)
# print(i)
# print(round(i / 178.0 * 100,0))
# rounding off
progPercent = round(i / 178.0 * 100.0)
MyGlobals.x=progPercent
print(progPercent)
return progPercent
except:
print('Excel is not executed')
# sleep(1)
# self.event.wait()
def stop(self):
self.event.set()
scm.py
# -*- coding: utf-8 -*-
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtCore import QObject, pyqtSignal
from PyQt5.QtCore import Qt, QBasicTimer
import os, sys, xlrd, win32com.client, xlwt, threading, time
from time import sleep
from ExcelResult import *
from test import MyGlobals
import threading
class Ui_MainWindow(object):
def __init__(self):
super().__init__()
self.btn_active = False
print('init_false')
def startBtnClicked(self):
self.btnStart.setText('start!')
self.btn_active = True
print(self.btn_active)
tmr = ExcelCheck()
tmr.start()
while(MyGlobals.x<=100):
#print (MyGlobals.x)
self.progressBar.setValue(MyGlobals.x)
# self.progressBar.minimum = 1
# self.progressBar.maximum = 100
# for progPercent in range(1, 101):
# self.progressBar.setValue(progPercent)
# time.sleep(1)
def exitBtnClicked(self):
# self.ExcelCheck()
self.btn_active = False
print(self.btn_active)
# os.system("taskkill /f /im Scm21.Client.exe")
# self.close()
# Stop the progress of python
self.sys.exit()
tmr = ExcelCheck()
tmr.stop()
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(446, 207)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.progressBar = QtWidgets.QProgressBar(self.centralwidget)
self.progressBar.setGeometry(QtCore.QRect(40, 70, 381, 23))
self.progressBar.setProperty("value", 0)
self.progressBar.setObjectName("progressBar")
self.btnStart = QtWidgets.QPushButton(self.centralwidget)
self.btnStart.setGeometry(QtCore.QRect(110, 110, 75, 23))
self.btnStart.setObjectName("btnStart")
self.btnStart.clicked.connect(self.startBtnClicked)
self.btnExit = QtWidgets.QPushButton(self.centralwidget)
self.btnExit.setGeometry(QtCore.QRect(260, 110, 75, 23))
self.btnExit.setObjectName("btnExit")
self.btnExit.clicked.connect(self.exitBtnClicked)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 446, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "SCM21"))
self.btnStart.setText(_translate("MainWindow", "Start"))
self.btnExit.setText(_translate("MainWindow", "Exit"))
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_())
因此,我可以使用test.py从ExcelResult.py获取ProgPercent的值,并将其输入到scm.py,但我完全不知道如何更新progressbar值
我尝试使用循环,但它挂起了GUI
谢谢。使用Qthread:
import time
from PyQt5 import QtCore
from PyQt5 import QtWidgets
class ExcelCheck(QtCore.QThread):
updated = QtCore.pyqtSignal(int)
running = False
def __init__(self, parent=None):
super(ExcelCheck, self).__init__(parent)
self.progPercent = 0
self.running = True
def run(self):
while self.running:
self.progPercent += 1
self.progPercent %= 100
self.updated.emit(int(self.progPercent))
time.sleep(0.1)
def stop(self):
self.running = False
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent=parent)
self.setupUi(self)
self.btn_active = False
def startBtnClicked(self):
self.btnStart.setText('start!')
self.btn_active = True
self.tmr = ExcelCheck(self)
self.tmr.updated.connect(self.updateValue)
self.tmr.start()
def updateValue(self, data):
self.progressBar.setValue(data)
def exitBtnClicked(self):
# self.ExcelCheck()
self.btn_active = False
self.tmr.stop()
self.sys.exit()
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(446, 207)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.progressBar = QtWidgets.QProgressBar(self.centralwidget)
self.progressBar.setGeometry(QtCore.QRect(40, 70, 381, 23))
self.progressBar.setProperty("value", 0)
self.progressBar.setObjectName("progressBar")
self.btnStart = QtWidgets.QPushButton(self.centralwidget)
self.btnStart.setGeometry(QtCore.QRect(110, 110, 75, 23))
self.btnStart.setObjectName("btnStart")
self.btnStart.clicked.connect(self.startBtnClicked)
self.btnExit = QtWidgets.QPushButton(self.centralwidget)
self.btnExit.setGeometry(QtCore.QRect(260, 110, 75, 23))
self.btnExit.setObjectName("btnExit")
self.btnExit.clicked.connect(self.exitBtnClicked)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 446, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "SCM21"))
self.btnStart.setText(_translate("MainWindow", "Start"))
self.btnExit.setText(_translate("MainWindow", "Exit"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())
将return progPercent更改为return self.progPercent我建议您使用QThread而不是threading。Thread@eyllanesc我已经得到了进度百分比值,这会有什么不同?而且,我完全不知道如何使用Qthread方法。嘿,谢谢。但是,当我在这里替换进度更新逻辑时,QT窗口立即关闭,没有显示任何进度。嘿,我让它工作了,但退出只在开始几秒钟内工作,在进度之后,如果我们按下退出,窗口和退出都会变得无响应,窗口挂起。有什么建议吗?
import time
from PyQt5 import QtCore
from PyQt5 import QtWidgets
class ExcelCheck(QtCore.QThread):
updated = QtCore.pyqtSignal(int)
running = False
def __init__(self, parent=None):
super(ExcelCheck, self).__init__(parent)
self.progPercent = 0
self.running = True
def run(self):
while self.running:
self.progPercent += 1
self.progPercent %= 100
self.updated.emit(int(self.progPercent))
time.sleep(0.1)
def stop(self):
self.running = False
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent=parent)
self.setupUi(self)
self.btn_active = False
def startBtnClicked(self):
self.btnStart.setText('start!')
self.btn_active = True
self.tmr = ExcelCheck(self)
self.tmr.updated.connect(self.updateValue)
self.tmr.start()
def updateValue(self, data):
self.progressBar.setValue(data)
def exitBtnClicked(self):
# self.ExcelCheck()
self.btn_active = False
self.tmr.stop()
self.sys.exit()
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(446, 207)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.progressBar = QtWidgets.QProgressBar(self.centralwidget)
self.progressBar.setGeometry(QtCore.QRect(40, 70, 381, 23))
self.progressBar.setProperty("value", 0)
self.progressBar.setObjectName("progressBar")
self.btnStart = QtWidgets.QPushButton(self.centralwidget)
self.btnStart.setGeometry(QtCore.QRect(110, 110, 75, 23))
self.btnStart.setObjectName("btnStart")
self.btnStart.clicked.connect(self.startBtnClicked)
self.btnExit = QtWidgets.QPushButton(self.centralwidget)
self.btnExit.setGeometry(QtCore.QRect(260, 110, 75, 23))
self.btnExit.setObjectName("btnExit")
self.btnExit.clicked.connect(self.exitBtnClicked)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 446, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "SCM21"))
self.btnStart.setText(_translate("MainWindow", "Start"))
self.btnExit.setText(_translate("MainWindow", "Exit"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())