python监控键盘输入实例代码

2020-01-04 15:54:00

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本文研究的主要是python/293355.html">python/272740.html">python监控键盘输入的相关代码，用到了os，sys，time等，具体实现代码如下：

#!/usr/bin/env python  # -*- coding: utf-8 -*- import os  import sys import tty, termios import time    if __name__ == '__main__':   print "Reading form keybord"   print """  i j k l   m"""   print 'press Q to quit'   while True:     fd=sys.stdin.fileno()     old_settings=termios.tcgetattr(fd)     #old_settings[3]= old_settings[3] & ~termios.ICANON & ~termios.ECHO      try:       tty.setraw(fd)       ch=sys.stdin.read(1)     finally:       termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)        #print 'error'     if ch=='i':       print 'move forward'     elif ch=='m':       print 'move back'     elif ch=='j':       print "turn left!"     elif ch=='l':       print "turn right!"     elif ch=='u':       print "turn right!"     elif ch=='o':       print "turn right!"     elif ch=='k':       print "stop motor!"     elif ch=='q':       print "shutdown!"       break     elif ord(ch)==0x3:       #这个是ctrl c       print "shutdown"       break     print "Reading form keybord"     print """  i j k l   m"""     print 'press Q or ctrl+c to quit'     #rate.sleep()

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