多线程端口扫描，《小小黑客之路》第五章 警报,遭到扫描源码，案例为端口扫描器,可以扫描对应网段内所有机器是否开启及打开的端口号。-Multithreaded port scanning, " Little hackers Road" Chapter alarm was scanning source case port scanner, you can scan the machine is turned on, and open the port number corresp