import sys
from PyQt5.Qt import *
class Window(QWidget):
def __init__(self):
super().__init__()
self.progress_bar_status = None
self.setup_ui()
def setup_ui(self):
self.setWindowTitle("Qt桌面应用程序")
self.resize(300, 300)
self.lcd_number = QLCDNumber(self)
self.lcd_number.setDigitCount(3)
self.lcd_number.move(10, 10)
self.lcd_number.resize(100, 50)
self.lcd_number.display(0)
self.progress_bar = QProgressBar(self)
self.progress_bar.setRange(0, 100)
self.progress_bar.setFormat("当前 %v 总计 %m 百分比 %p %")
self.progress_bar.setAlignment(Qt.AlignHCenter)
def position_and_size(p_x, p_y, s_x, s_y):
self.progress_bar.move(p_x, p_y)
self.progress_bar.resize(s_x, s_y)
position_and_size(10, 100, 200, 30)
self.label = QLabel(self.progress_bar)
self.label.hide()
self.button = QPushButton(self)
self.button.move(10, 150)
self.button.setText("开始")
self.button_2 = QPushButton(self)
self.button_2.move(100, 150)
self.button_2.setText("横/竖")
def button_clicked():
if self.progress_bar_status is None or self.progress_bar_status == 3:
self.progress_bar_status = 1
self.progress_start()
self.button.setText("停止")
elif self.progress_bar_status == 1:
self.progress_bar_status = 2
self.timer.stop()
self.button.setText("清除")
elif self.progress_bar_status == 2:
self.progress_bar_status = 3
self.progress_bar.reset()
self.lcd_number.display(0)
self.label.hide()
self.button.setText("开始")
self.button.clicked.connect(button_clicked)
def button_2_clicked():
if self.progress_bar.orientation() != 2:
self.progress_bar.setOrientation(Qt.Vertical)
position_and_size(200, 50, 30, 200)
self.label.show()
else:
self.progress_bar.setOrientation(Qt.Horizontal)
position_and_size(10, 100, 200, 30)
self.label.hide()
self.button_2.clicked.connect(button_2_clicked)
def progress_start(self):
self.timer = QTimer(self.progress_bar)
self.timer.start(500)
def timer_time_out():
if self.progress_bar.value() <= self.progress_bar.maximum():
self.progress_bar.setValue(self.progress_bar.value() + 1)
else:
self.timer.stop()
self.timer.timeout.connect(timer_time_out)
def value_changed(value):
if self.progress_bar.orientation() == 2:
self.label.setText("\n".join(self.progress_bar.text().replace(" ", "")))
self.label.adjustSize()
self.label.move(int((self.progress_bar.width() - self.label.width()) / 2), 0)
self.progress_bar.setTextVisible(False)
self.label.show()
else:
self.lcd_number.display(value)
self.progress_bar.setTextVisible(True)
self.progress_bar.valueChanged.connect(value_changed)
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
