from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QCheckBox, QSlider, QLabel, QLCDNumber
from PyQt5.QtGui import QIcon, QPixmap
from PyQt5.QtCore import Qt
app = QApplication([])
window = QWidget()
window.setWindowTitle('hello')
window.setWindowIcon(QIcon('icon.jpg'))
window.setMinimumSize(500, 500)
window.button = QPushButton('点击我', window)
window.button.move(50, 50)
window.button.setStyleSheet(
"QPushButton{background:green;color:red;font-size:20px;}")
window.checkbox = QCheckBox("我是checkbox", window)
window.checkbox.move(50, 100)
window.qslider = QSlider(Qt.Horizontal, window)
window.qslider.move(50, 200)
window.label = QLabel('label', window)
