python pyqt5 按钮 QPushButton

用户5760343

发布于 2019-07-05 11:08:18

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发布于 2019-07-05 11:08:18

文章被收录于专栏：sktjsktj

QAbstractButton/QPushButton,QToolButton,QRadioButton,QCheckBox 按钮状态： isDown() isChecked() isEnable() isCheckAble() setAutoRepeat()

click

QPushButton

setEnabled() setText() text()

设置快捷键

-- coding: utf-8 --

''' 【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_())

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