判断当前操作系统是不是window

/**
? * 判断当前操作系统是不是window
? *
? * @return boolean
? */
?public static boolean isWindows() {
??boolean flag = false;
??if (System.getProperties().getProperty("os.name").toUpperCase()
????.indexOf("WINDOWS") != -1) {
???flag = true;
??}
??return flag;
?}

?

获取ip

InetAddress address = InetAddress.getLocalHost();

??System.out.println("ip:" + address.getHostAddress());