设置背景颜色是没问题的,但我的界面有一个Qwidget,在某个时刻会改变其背景颜色。这会导致程序崩溃,当我注释掉改变颜色的代码后,崩溃就停止了。
以下代码在运行一段时间后肯定会崩溃。
import sys
from PySide2.QtWidgets import QWidget,QPushButton,QApplication,QListWidget,QGridLayout,\
QLabel,QMainWindow,QLineEdit,QScrollArea,QVBoxLayout,QMessageBox
from PySide2.QtCore import QTimer,QDateTime,QSize,Qt
from PySide2.QtGui import *
import requests,json
import configparser #
import os
import time
import threading #
from pynput import keyboard #
import requests,json
from math import *
from functools import partial
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.resize(320,100)
self.setWindowTitle('aaaa')
self.setStyleSheet("QMainWindow\
{\
background-color:white;\
color:white;\
margin:0px\
}")
self.InitializeWindow()
self.i=0
def InitializeWindow(self):
self.statebar=QWidget(self)
self.statebar.setGeometry(0, 40, 320, 54)
print(sys._getframe().f_lineno)
self.statebar.setStyleSheet("QWidget{background-color:#1EC5CD}")
self.th_countdown=threading.Thread(target=self.countdown,args=())
self.th_countdown.setDaemon(True)
self.th_countdown.start()
self.message_main=QLabel(self.statebar)
self.message_main.setGeometry(150,7,40,37)
self.message_main.setStyleSheet("background:transparent;color:white;margin:0px;font-size:45px;font-weight:bold")
self.message_main.setWordWrap(True)
self.message_main.hide()
self.message_main.setAlignment(Qt.AlignTop|Qt.AlignLeft)
self.message_signature=QLabel(self.statebar)
self.message_signature.setGeometry(50,6,42,42)
self.message_signature.setScaledContents(True)
self.message_signature.setStyleSheet("background:transparent")
self.message_result=QLabel(self.statebar)
self.message_result.setGeometry(150,6,160,25)
self.message_result.setStyleSheet("background:transparent;color:white;margin:0px;font-size:24px;font-weight:bold")
self.message_result.setWordWrap(True)
self.message_result.hide()
self.message_detail=QLabel(self.statebar)
self.message_detail.setGeometry(150,34,160,15)
self.message_detail.setStyleSheet("background:transparent;color:white;margin:0px;font-size:14px")
self.message_detail.setWordWrap(True)
self.message_detail.hide()
def bind(self, ret):
self.message_result.show()
self.message_detail.show()
self.message_main.hide()
if(ret%2==0):
self.statebar.setStyleSheet("QWidget{background-color:#1EC5CD}") ##FA6400
self.message_result.setText(str(ret))
self.message_detail.setText(str(ret))
else:
self.statebar.setStyleSheet("QWidget{background-color:#FA6400}") ##FA6400
self.message_result.setText(str(ret))
self.message_detail.setText(str(ret))
def countdown(self):
while(1):
time.sleep(0.2)
self.i=self.i+1
self.bind(self.i)
if __name__ == '__main__':
app = 0
app = QApplication(sys.argv)
win = MainWindow()
#icon = QIcon()
#icon.addPixmap(QPixmap("./res/mdm.ico"),QIcon.Normal, QIcon.Off)
#win.setWindowIcon(icon)
win.show()
sys.exit(app.exec_())
pass
有时候Python会报错,显示“无法解析对象的样式表...”,有时候它只是崩溃而没有任何提示。