问题描述
我有一个包含三个按钮(R1,R2,R3)的GUI
如果我单击R1,它应该带我到R1页面,依此类推。
我为第一个按钮添加了此行,以通过使用切换功能将其与首页连接起来,但是它不起作用。
这是代码
from PyQt5 import QtCore,QtGui,QtWidgets
class Ui_Form(object):
def setupUi(self,Form):
Form.setObjectName("Form")
Form.resize(447,342)
self.tabWidget = QtWidgets.QTabWidget(Form)
self.tabWidget.setGeometry(QtCore.QRect(0,451,341))
self.tabWidget.setObjectName("tabWidget")
self.tab = QtWidgets.QWidget()
self.tab.setObjectName("tab")
self.pushButton = QtWidgets.QPushButton(self.tab)
self.pushButton.setGeometry(QtCore.QRect(30,80,75,23))
self.pushButton.setObjectName("pushButton")
self.pushButton.clicked.connect(self.tab_2.toggle)
self.pushButton_2 = QtWidgets.QPushButton(self.tab)
self.pushButton_2.setGeometry(QtCore.QRect(30,120,23))
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_3 = QtWidgets.QPushButton(self.tab)
self.pushButton_3.setGeometry(QtCore.QRect(30,160,23))
self.pushButton_3.setObjectName("pushButton_3")
self.tabWidget.addTab(self.tab,"")
self.tab_2 = QtWidgets.QWidget()
self.tab_2.setObjectName("tab_2")
self.tabWidget.addTab(self.tab_2,"")
self.tab_3 = QtWidgets.QWidget()
self.tab_3.setObjectName("tab_3")
self.tabWidget.addTab(self.tab_3,"")
self.tab_4 = QtWidgets.QWidget()
self.tab_4.setObjectName("tab_4")
self.tabWidget.addTab(self.tab_4,"")
self.retranslateUi(Form)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self,Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form","Form"))
self.pushButton.setText(_translate("Form","R1"))
self.pushButton_2.setText(_translate("Form","R2"))
self.pushButton_3.setText(_translate("Form","R3"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab),_translate("Form","Start page"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2),"R1"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_3),"R2"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_4),"R3"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
Form = QtWidgets.QWidget()
ui = Ui_Form()
ui.setupUi(Form)
Form.show()
sys.exit(app.exec_())
解决方法
QTabWidget.currentIndex : int
-此属性保存当前标签页的索引位置。
如果您需要单击按钮进行导航,请使用QTabWidget.setCurrentIndex (int index)
。
from PyQt5 import QtCore,QtGui,QtWidgets
class Ui_Form(object):
def setupUi(self,Form):
Form.setObjectName("Form")
Form.resize(447,342)
self.tabWidget = QtWidgets.QTabWidget(Form)
self.tabWidget.setGeometry(QtCore.QRect(0,451,341))
self.tabWidget.setObjectName("tabWidget")
self.tab = QtWidgets.QWidget()
self.tab.setObjectName("tab")
self.pushButton = QtWidgets.QPushButton(self.tab)
self.pushButton.setGeometry(QtCore.QRect(30,80,75,23))
self.pushButton.setObjectName("pushButton")
# self.pushButton.clicked.connect(self.tab_2.toggle)
self.pushButton_2 = QtWidgets.QPushButton(self.tab)
self.pushButton_2.setGeometry(QtCore.QRect(30,120,23))
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_3 = QtWidgets.QPushButton(self.tab)
self.pushButton_3.setGeometry(QtCore.QRect(30,160,23))
self.pushButton_3.setObjectName("pushButton_3")
self.tabWidget.addTab(self.tab,"")
self.tab_2 = QtWidgets.QWidget()
self.tab_2.setObjectName("tab_2")
self.tabWidget.addTab(self.tab_2,"")
self.tab_3 = QtWidgets.QWidget()
self.tab_3.setObjectName("tab_3")
self.tabWidget.addTab(self.tab_3,"")
self.tab_4 = QtWidgets.QWidget()
self.tab_4.setObjectName("tab_4")
self.tabWidget.addTab(self.tab_4,"")
self.retranslateUi(Form)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self,Form):
_translate = QtCore.QCoreApplication.translate
Form.setWindowTitle(_translate("Form","Form"))
self.pushButton.setText(_translate("Form","R1"))
self.pushButton_2.setText(_translate("Form","R2"))
self.pushButton_3.setText(_translate("Form","R3"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab),_translate("Form","Start page"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2),"R1"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_3),"R2"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_4),"R3"))
class MainWindow(QtWidgets.QWidget,Ui_Form):
def __init__(self):
super().__init__()
self.setupUi(self)
self.pushButton.clicked.connect(lambda: self.tabWidget.setCurrentIndex(1)) # <---
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())