怎么获得当前设备的IP地址？

/**
 * 获取当前设备的IP地址(设备连接Wi-Fi后)
 */
static getIpAddress() {
  let ipAddress = wifiManager.getIpInfo().ipAddress;
  let ip = (ipAddress >>> 24) + "." + (ipAddress >> 16 & 0xFF) + "." + (ipAddress >> 8 & 0xFF) + "." + (ipAddress & 0xFF);
  return ip;
}