ROS用pyqt实现GUI界面控制乌龟运动

#!/usr/bin/env python3
#coding=utf-8

from PyQt5.QtWidgets import *
import sys
from window import MainWindow,TurtleWindow
import rospy

if __name__ =='__main__':

    rospy.init_node('turtle_ctrl_node')
    app=QApplication(sys.argv)

    #窗口展示
    window=TurtleWindow()
    window.show()

    sys.exit(app.exec_())

#!/usr/bin/env python3
#coding=utf-8

from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
import sys
import rospy
#geometry_msgs/Twist
from geometry_msgs.msg import Twist
#turtlesim/Pose
from turtlesim.msg import Pose