/**
 * 获取本机公网ip
 */
public static String getIpV4(){
    String ipV4 = "";
    try{
        String ipStr = HttpUtil.get("https://www.taobao.com/help/getip.php");
        ipV4 = ipStr.split("\"")[1];
    }catch(Exception e){
        e.printStackTrace();
        ipV4 = "127.0.0.1";
    }
    return ipV4;

}


#引入hutool