基本上,我的程序旨在在后台逐行显示读取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.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_())
并且,test.py
class MyGlobals(object):
x = 0
所以,我能够使用test.py将ExcelResult.py中的ProgPercent值传递到scm.py中,但是我完全不知道如何更新进度条的值。
我尝试使用循环,但它会导致GUI挂起。
谢谢。