获取外网与内网IP 获取外网与内网IP-access to external networks within and outside the IP access network and IP network with access to external networks and IP networks within

This example shows how to get the local machine s IP addresses. Yes, \"addresses,\" plural. You can count on seeing at least two addresses on most machines: one for the loopback interface (127.0.0.1) and at least one for an external network