Using the Getopt module to handle command-line options

#!/usr/bin/env python #-*-coding:utf8-*-import getopt #函数getopt (args, shortopts, longopts=[]) "" "parameter args is typically s Ys.argv[1:] shortopts Short Form (-) longopts long Format (-) command line input: Python test.py-i 127.0.0.1-p test python test.py--ip=127.0 .0.1--port=80 Test "HP:I:" Short form: H is not followed by a colon to indicate that there are no arguments followed by P: and I: A colon is followed by an argument ["Help", "ip=", "port="] long format: Help is not followed by an equal sign = after the argument is not taken.
The IP and port are followed by =, which means that the next need parameter options is a list containing the progenitor. The format is [(' I ', ' 127.0.0.1 '), (' P ', ' C ']] args is a list that contains parameters that do not have '-' or '-', such as: [' Test ']
    
    Note: When defining command-line arguments, you first define the parameters with the '-' option, and then define no '-' parameters ' "def usage (): print" "" Usage:python opt.py [Option][value] ... -H,--help display Help Info-i,--ip=127.0.0.1 IP address-p,--port=80 port number "" "If __name__== ' __main__ ': TR Y:options, args = Getopt.getopt (sys.argv[1:], "HP:I:", ["Help", "ip=", "port="]) except getopt.
        GetoptError:sys.exit () for Name,value in Options:if name in ("-H", "--help"): Usage () If name in ("I", "--ip"): print ' IP is ', value if name in ("P", "--port"): print ' port is ', value