node.js 获取本机ip

const os = require('os');

function getLocalIP() {
  const interfaces = os.networkInterfaces();
  for (const name in interfaces) {
    const iface = interfaces[name];
    for (let i = 0; i < iface.length; i++) {
      const alias = iface[i];
      if (alias.family === 'IPv4' && !alias.internal) {
        return alias.address;
      }
    }
  }
  return '0.0.0.0';
}

console.log('本机 IP 地址:', getLocalIP());

npm install network

const network = require('network');

network.get_private_ip((err, ip) => {
  if (err) {
    console.error('获取 IP 地址失败:', err);
  } else {
    console.log('本机 IP 地址:', ip);
  }
});

const dns = require('dns');
const os = require('os');

dns.lookup(os.hostname(), (err, address, family) => {
  if (err) {
    console.error('获取 IP 地址失败:', err);
  } else {
    console.log('本机 IP 地址:', address);
  }
});