Get MAC Address

ImportJava.net.NetworkInterface;Importjava.net.SocketException;Importjava.util.Enumeration;Importorg.apache.commons.codec.digest.DigestUtils;Importcom.yd.common.utils.StringUtils;/** *  * @authorMrwang * Get client MAC address * **/  Public classMacAddress {Private StaticString mac_s = ""; Static {    if(mac_s = = "") {Enumeration<NetworkInterface>el; Try{El=networkinterface.getnetworkinterfaces ();  while(El.hasmoreelements ()) {NetworkInterface NetworkInterface=el.nextelement (); byte[] Mac =networkinterface.gethardwareaddress (); if(Mac = =NULL|| Mac.length==0)                   Continue; if(mac.length==6) {mac_s= HexByte (mac[0]) + "-" + hexbyte (mac[1]) + "-" + hexbyte (mac[2]) + "-" + hexbyte (mac[3]) + "-" + hexbyte (mac[4]) + "-" + hexbyte (mac[5]);                   System.out.println (mac_s); //mac_s = Digestutils.md5hex (mac_s). toUpperCase (). substring (0, 8); //System.out.println (mac_s);                                       Break; }           }       } Catch(socketexception E1) {e1.printstacktrace (); }             }    }         Public StaticString HexByte (byteb) {String s= "00" +integer.tohexstring (b); returnS.substring (S.length ()-2); }         Public StaticString Getmac () {returnmac_s; }          Public Static voidMain (string[] args) {MacAddress m=NewMacAddress ();             M.getmac (); }}

Get MAC Address