一个简单的IP查询系统，可以通过IP地址扫描端口，也可以通过主机名扫描端口。-A simple query of the IP system, can scan IP address port, host name can also scan ports.

该程序可用来实现简单的扫描本地局域网内IP地址(The program can be used to achieve a simple scan of local LAN IP address)