package Method;
import java.net.InetAddress;
import java.net.UnknownHostException;

/**¸ÃÀàÓÃÓÚ»ñÈ¡µçÄÔµÄIPµØÖ·*/
public class GetComputerIP {
	public static String  getIp(){
		String iplocal=null;
		try {
			iplocal = InetAddress.getLocalHost().getHostAddress();
		} catch (UnknownHostException e) {
			e.printStackTrace();
		}
		return iplocal;   

	} 

	/**ÅжÏIPÊÇ·ñÔÚͬһÍø¶Î*/
	public static boolean go(String sub){ 
		String ip=getIp();
		String mask="255.255.255.0";
		int i;
		boolean flag=false;
		String[] gIp = ip.split("\\.");// ipµØÖ·±äÊý×é
		String[] gSub = sub.split("\\.");// subµØÖ·±äÊý×é
		String[] gMask = mask.split("\\.");// ×ÓÍøÑÚÂë±äÊý×é
		int intIp[]={0,0,0,0};
		int intSub[]={0,0,0,0};
		int intMask[]={0,0,0,0};
		for(i=0;i<4;i++){
			intIp[i] = Integer.parseInt(gIp[i]);
			intSub[i] = Integer.parseInt(gSub[i]);
			intMask[i] = Integer.parseInt(gMask[i]);
		}
		for(i=0;i<4;i++){
			if((intIp[i]&intMask[i]) == (intSub[i]&intMask[i])){
				flag = true;
			}else{
				flag = false;
				break;
			}
		}
		return flag;
	}

}