pyqt5移动鼠标显示坐标的方法

# -*- coding: utf-8 -*- import sysfrom PyQt5.QtWidgets import (QApplication, QMainWindow, QLabel)from PyQt5.QtCore import Qt  class AppDemo(QMainWindow):   def __init__(self):    super(AppDemo, self).__init__()    self.init_ui()   def init_ui(self):    self.resize(300, 200)    self.setWindowTitle('666')    self.label = QLabel(self)    self.label.setAlignment(Qt.AlignCenter)    self.label.setText('六神花露水')    self.label.setGeometry(5, 5, 145, 185)    self.label.setMouseTracking(True)     self.label_mouse_x = QLabel(self)    self.label_mouse_x.setGeometry(155, 5, 80, 30)    self.label_mouse_x.setText('x')    self.label_mouse_x.setMouseTracking(True)     self.label_mouse_y = QLabel(self)    self.label_mouse_y.setText('y')    self.label_mouse_y.setGeometry(155, 40, 80, 30)    self.label_mouse_y.setMouseTracking(True)   def mouseMoveEvent(self, event):    s = event.windowPos()    self.setMouseTracking(True)    self.label_mouse_x.setText('X:' + str(s.x()))    self.label_mouse_y.setText('Y:' + str(s.y()))  def run_it():  app = QApplication(sys.argv)  w = AppDemo()  w.show()  sys.exit(app.exec_())  if __name__ == '__main__':  run_it()