QAbstractButton/QPushButton,QToolButton,QRadioButton,QCheckBox 按钮状态: isDown() isChecked() isEnable() isCheckAble() setAutoRepeat()
click
setEnabled() setText() text()
''' 【简介】 PyQt5中QButton例子
'''
import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import *
class Form(QDialog): def init(self, parent=None): super(Form, self).init(parent) layout = QVBoxLayout()
self.btn1 = QPushButton("Button1")
self.btn1.setCheckable(True)
self.btn1.toggle()
self.btn1.clicked.connect(lambda: self.whichbtn(self.btn1))
self.btn1.clicked.connect(self.btnstate)
layout.addWidget(self.btn1)
self.btn2 = QPushButton('image')
self.btn2.setIcon(QIcon(QPixmap("./images/python.png")))
self.btn2.clicked.connect(lambda: self.whichbtn(self.btn2))
layout.addWidget(self.btn2)
self.setLayout(layout)
self.btn3 = QPushButton("Disabled")
self.btn3.setEnabled(False)
layout.addWidget(self.btn3)
self.btn4 = QPushButton("&Download")
self.btn4.setDefault(True)
self.btn4.clicked.connect(lambda: self.whichbtn(self.btn4))
layout.addWidget(self.btn4)
self.setWindowTitle("Button demo")
def btnstate(self):
if self.btn1.isChecked():
print("button pressed")
else:
print("button released")
def whichbtn(self, btn):
print("clicked button is " + btn.text())
if name == 'main': app = QApplication(sys.argv) btnDemo = Form() btnDemo.show() sys.exit(app.exec_())