Function PyQt5多个按钮和1个更改按钮文本的功能
我有一个有多个按钮的应用程序 按下按钮时,必须更改按钮上的文字。 这可以通过为每个按钮使用单独的函数来完成,但是我想使用1个函数来保持代码的简短 迄今为止的代码:Function PyQt5多个按钮和1个更改按钮文本的功能,function,button,pyqt5,Function,Button,Pyqt5,我有一个有多个按钮的应用程序 按下按钮时,必须更改按钮上的文字。 这可以通过为每个按钮使用单独的函数来完成,但是我想使用1个函数来保持代码的简短 迄今为止的代码: from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtWidgets import QApplication, QMainWindow import sys class MyWindow(QMainWindow): def __init__(self):
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow
import sys
class MyWindow(QMainWindow):
def __init__(self):
super(MyWindow, self).__init__()
self.setGeometry(200, 200, 700, 500)
self.setWindowTitle("Tic Tac Toe")
self.initUI()
def initUI(self):
font = QtGui.QFont()
font.setPointSize(50)
font.setBold(True)
font.setWeight(75)
self.btn1 = QtWidgets.QPushButton(self)
self.btn1.setGeometry(QtCore.QRect(90, 50, 93, 91))
self.btn1.setFont(font)
self.btn1.setObjectName("btn1")
self.btn1.clicked.connect(lambda:self.function("btn1"))
self.btn2 = QtWidgets.QPushButton(self)
self.btn2.setGeometry(QtCore.QRect(210, 50, 93, 91))
self.btn2.setFont(font)
self.btn2.setText("")
self.btn2.setObjectName("btn2")
self.btn2.clicked.connect(lambda:self.function("btn2"))
font2 = QtGui.QFont()
font2.setPointSize(16)
self.label = QtWidgets.QLabel(self)
self.label.setGeometry(QtCore.QRect(470, 50, 201, 51))
self.label.setFont(font2)
self.label.setObjectName("label")
def function(self, btnnmbr):
self.label.setText("knop " + btnnmbr)
#self.btn1.setText("X")
# Mainloop
def window():
app = QApplication(sys.argv)
win = MyWindow()
win.show()
sys.exit(app.exec_())
window()
知道如何更改按钮已单击实例的文本吗?试试:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow
class MyWindow(QMainWindow):
def __init__(self):
super(MyWindow, self).__init__()
self.setGeometry(200, 200, 700, 500)
self.setWindowTitle("Tic Tac Toe")
self.initUI()
def initUI(self):
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.btn1 = QtWidgets.QPushButton(self)
self.btn1.setGeometry(QtCore.QRect(90, 50, 93, 91))
self.btn1.setFont(font)
self.btn1.setObjectName("btn1")
self.btn1.clicked.connect(lambda ch, btn=self.btn1: self.function(btn)) # +
self.btn2 = QtWidgets.QPushButton(self)
self.btn2.setGeometry(QtCore.QRect(210, 50, 93, 91))
self.btn2.setFont(font)
self.btn2.setText("")
self.btn2.setObjectName("btn2")
self.btn2.clicked.connect(lambda ch, btn=self.btn2: self.function(btn)) # +
font2 = QtGui.QFont()
font2.setPointSize(16)
self.label = QtWidgets.QLabel(self)
self.label.setGeometry(QtCore.QRect(470, 50, 201, 51))
self.label.setFont(font2)
self.label.setObjectName("label")
def function(self, btn): # + btn
self.label.setText(f"knop {btn.objectName()}") # +
btn.setText(btn.objectName()) # +++
#self.btn1.setText("X")
if __name__ == '__main__':
app = QApplication(sys.argv)
win = MyWindow()
win.show()
sys.exit(app.exec_())
试试看:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow
class MyWindow(QMainWindow):
def __init__(self):
super(MyWindow, self).__init__()
self.setGeometry(200, 200, 700, 500)
self.setWindowTitle("Tic Tac Toe")
self.initUI()
def initUI(self):
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.btn1 = QtWidgets.QPushButton(self)
self.btn1.setGeometry(QtCore.QRect(90, 50, 93, 91))
self.btn1.setFont(font)
self.btn1.setObjectName("btn1")
self.btn1.clicked.connect(lambda ch, btn=self.btn1: self.function(btn)) # +
self.btn2 = QtWidgets.QPushButton(self)
self.btn2.setGeometry(QtCore.QRect(210, 50, 93, 91))
self.btn2.setFont(font)
self.btn2.setText("")
self.btn2.setObjectName("btn2")
self.btn2.clicked.connect(lambda ch, btn=self.btn2: self.function(btn)) # +
font2 = QtGui.QFont()
font2.setPointSize(16)
self.label = QtWidgets.QLabel(self)
self.label.setGeometry(QtCore.QRect(470, 50, 201, 51))
self.label.setFont(font2)
self.label.setObjectName("label")
def function(self, btn): # + btn
self.label.setText(f"knop {btn.objectName()}") # +
btn.setText(btn.objectName()) # +++
#self.btn1.setText("X")
if __name__ == '__main__':
app = QApplication(sys.argv)
win = MyWindow()
win.show()
sys.exit(app.exec_())