python pyqt5 按钮 QCheckBox 常用
python pyqt5 按钮 QCheckBox 常用
用户5760343
发布于 2019-07-05 11:13:16
发布于 2019-07-05 11:13:16
setChecked() isChecked()
-- coding: utf-8 --
''' 【简介】 PyQt5中 QCheckBox 例子
'''
import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import Qt
class CheckBoxDemo(QWidget):
def __init__(self, parent=None):
super(CheckBoxDemo, self).__init__(parent)
groupBox = QGroupBox("Checkboxes")
groupBox.setFlat(False)
layout = QHBoxLayout()
self.checkBox1 = QCheckBox("&Checkbox1")
self.checkBox1.setChecked(True)
self.checkBox1.stateChanged.connect(lambda: self.btnstate(self.checkBox1))
layout.addWidget(self.checkBox1)
self.checkBox2 = QCheckBox("Checkbox2")
self.checkBox2.toggled.connect(lambda: self.btnstate(self.checkBox2))
layout.addWidget(self.checkBox2)
self.checkBox3 = QCheckBox("tristateBox")
self.checkBox3.setTristate(True)
self.checkBox3.setCheckState(Qt.PartiallyChecked)
self.checkBox3.stateChanged.connect(lambda: self.btnstate(self.checkBox3))
layout.addWidget(self.checkBox3)
groupBox.setLayout(layout)
mainLayout = QVBoxLayout()
mainLayout.addWidget(groupBox)
self.setLayout(mainLayout)
self.setWindowTitle("checkbox demo")
def btnstate(self, btn):
chk1Status = self.checkBox1.text() + ", isChecked=" + str(self.checkBox1.isChecked()) + ', chekState=' + str(
self.checkBox1.checkState()) + "\n"
chk2Status = self.checkBox2.text() + ", isChecked=" + str(self.checkBox2.isChecked()) + ', checkState=' + str(
self.checkBox2.checkState()) + "\n"
chk3Status = self.checkBox3.text() + ", isChecked=" + str(self.checkBox3.isChecked()) + ', checkState=' + str(
self.checkBox3.checkState()) + "\n"
print(chk1Status + chk2Status + chk3Status)if name == 'main': app = QApplication(sys.argv) checkboxDemo = CheckBoxDemo() checkboxDemo.show() sys.exit(app.exec_())
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原始发表：2019.06.26 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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