对pyqt5中QTabWidget的相关操作详解

# -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'TabWidget.ui'## Created by: PyQt5 UI code generator 5.12.1## WARNING! All changes made in this file will be lost! from PyQt5 import QtCore, QtGui, QtWidgets  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.tabWidget = QtWidgets.QTabWidget(self.centralwidget)    self.tabWidget.setGeometry(QtCore.QRect(110, 60, 521, 411))    self.tabWidget.setObjectName("tabWidget")    self.tab = QtWidgets.QWidget()    self.tab.setObjectName("tab")    self.tabWidget.addTab(self.tab, "")    self.tab_2 = QtWidgets.QWidget()    self.tab_2.setObjectName("tab_2")    self.tabWidget.addTab(self.tab_2, "")    MainWindow.setCentralWidget(self.centralwidget)    self.menubar = QtWidgets.QMenuBar(MainWindow)    self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))    self.menubar.setObjectName("menubar")    MainWindow.setMenuBar(self.menubar)    self.statusbar = QtWidgets.QStatusBar(MainWindow)    self.statusbar.setObjectName("statusbar")    MainWindow.setStatusBar(self.statusbar)     self.retranslateUi(MainWindow)    self.tabWidget.setCurrentIndex(0)    QtCore.QMetaObject.connectSlotsByName(MainWindow)   def retranslateUi(self, MainWindow):    _translate = QtCore.QCoreApplication.translate    MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))    self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab), _translate("MainWindow", "Tab 1"))    self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("MainWindow", "Tab 2"))

# -*- coding: utf-8 -*- import sysfrom PyQt5.QtWidgets import QApplication, QMainWindowfrom TabWidget import Ui_MainWindow  class ChangeTabColor(Ui_MainWindow, QMainWindow):   def __init__(self):    super(ChangeTabColor, self).__init__()    self.setupUi(self)    self.setFixedSize(self.width(), self.height())    self.tabWidget.setTabsClosable(True)    str = "QTabBar::tab{background-color:rbg(255,255,255,0);}"    self.tabWidget.setStyleSheet(str)  def ui_main():  app = QApplication(sys.argv)  w = ChangeTabColor()  w.show()  sys.exit(app.exec_())  if __name__ == '__main__':  ui_main()

str = "QTabBar::tab{background-color:rbg(255,255,255,0);}"self.tabWidget.setStyleSheet(str)

str = "QTabBar::tab{background-color:rbg(255,255,255,0);}" + /   "QTabBar::tab:selected{color:red;background-color:rbg(255,200,255);} "

  def __init__(self):    super(ChangeTabColor, self).__init__()    self.setupUi(self)    self.setFixedSize(self.width(), self.height())    self.tabWidget.setTabsClosable(True)    str = "QTabBar::tab{background-color:rbg(255,255,255,0);}" + /       "QTabBar::tab:selected{color:red;background-color:rbg(255,200,255);} "    self.tabWidget.setStyleSheet(str)    self.tabWidget.currentChanged.connect(self.slot_small_tab)   def slot_small_tab(self):    if self.tabWidget.currentIndex() == 0:      print('666')    elif self.tabWidget.currentIndex() == 1:      print('222')    else:      pass