import sys
from PyQt5.Qt import *
class Window(QWidget):
def __init__(self):
super().__init__()
self.setup_ui()
def setup_ui(self):
self.setWindowTitle("Qt桌面应用程序")
self.resize(600, 600)
self.push_button_1 = QPushButton("暂停", self)
self.push_button_1.setStyleSheet("background-color:red")
self.push_button_1.resize(100, 100)
self.push_button_1.move(150, 150)
self.push_button_2 = QPushButton("继续", self)
self.push_button_2.resize(100, 100)
self.push_button_2.setStyleSheet("background-color:green")
self.label_1 = QLabel(self)
self.label_1.move(200, 0)
self.label_2 = QLabel(self)
self.label_2.move(200, 15)
self.set_animation()
self.push_button_1.clicked.connect(self.animation_group.pause)
self.push_button_2.clicked.connect(self.animation_group.resume)
def set_animation(self):
self.animation_group = QParallelAnimationGroup(self)
self.animation_push_button_1 = QPropertyAnimation(self.push_button_1, b"pos", self)
self.animation_push_button_1.setKeyValueAt(0, QPoint(150, 150))
self.animation_push_button_1.setKeyValueAt(0.25, QPoint(350, 150))
self.animation_push_button_1.setKeyValueAt(0.5, QPoint(350, 350))
self.animation_push_button_1.setKeyValueAt(0.75, QPoint(150, 350))
self.animation_push_button_1.setKeyValueAt(1, QPoint(150, 150))
self.animation_push_button_1.setDuration(5000)
self.animation_push_button_2 = QPropertyAnimation(self.push_button_2, b"pos", self)
self.animation_push_button_2.setKeyValueAt(0, QPoint(0, 0))
self.animation_push_button_2.setKeyValueAt(0.25, QPoint(0, 500))
self.animation_push_button_2.setKeyValueAt(0.5, QPoint(500, 500))
self.animation_push_button_2.setKeyValueAt(0.75, QPoint(500, 0))
self.animation_push_button_2.setKeyValueAt(1, QPoint(0, 0))
self.animation_push_button_2.setDuration(5000)
self.animation_push_button_2.setEasingCurve(QEasingCurve.InBounce)
# self.animation_push_button_2.setDirection(QAbstractAnimation.Backward)
self.animation_group.addAnimation(self.animation_push_button_1)
self.animation_group.addAnimation(self.animation_push_button_2)
self.animation_group.setLoopCount(3)
self.animation_group.currentLoopChanged.connect(lambda value: self.label_1.setText(
f"循环:{self.animation_group.currentLoop() + 1} / 共{self.animation_group.loopCount()}次"))
self.animation_group.stateChanged.connect(
lambda value1, value2: self.label_2.setText(f"状态：新{value1} 旧{value2}"))
self.animation_group.start()
self.label_1.setText(f"循环:{self.animation_group.currentLoop() + 1} / 共{self.animation_group.loopCount()}次")
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
