text: #!/usr/bin/env python
  # coding:utf-8
  from PyQt5.QtWidgets import *
  import sys
  
  from window import MainWindow
  import rospy
  
  
  if __name__ == '__main__':
      # ROS
      rospy.init_node('turtle_ctrl_node')
  
      # Qt Gui部分
      app = QApplication(sys.argv)
  
      # 窗体显示
      window = MainWindow()
      window.show()
  
      sys.exit(app.exec_())