package?my_jpcaptest;
import?java.io.UnsupportedEncodingException;
import?jpcap.JpcapCaptor;
import?jpcap.NetworkInterface;
/**
?*?@（#）GetPacketDemo.java
*
*?演示利用回調機制來捕捉網絡數據包
*
*?@version?1.00?2007/12/17?????*/
import?jpcap.*;
import?jpcap.packet.*;
public?class?my_receive?
{
public?static?void?main（String?[]?args）?throws?Exception?
{
???NetworkInterface[]?devices?=?JpcapCaptor.getDeviceList（）;
???int?index?=?2;
???if（devices.length>1）/*去掉虛擬網卡的處理*/
?????index?=??2;
????JpcapCaptor?captor?=?JpcapCaptor.openDevice（devices[index]?65535?false?20）;
????captor.setFilter（“udp“true）;
????captor.loopPacket（-1?new?Receiver（））;?
}
}
class?Receiver?implements??PacketReceiver
{???
/*實例receivePacket方法*/
public?void?receivePacket（Packet?p）
{
?/*進行簡單的處理*/
	String?data?=?““;
	for?（int?i?=?0;?i?		data?=?Byte.toString（p.data[i]）;
		int?result=Integer.parseInt（data）;
		char?stchar?=?（char）?result;??
????
	//int?result=Integer.parseInt（data）-48;
	System.out.println（“數據：“?+?stchar）;}

	
System.out.println（p）;
}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-10-01?14:38??my_jpcaptest\
?????文件?????????353??2018-10-01?14:47??my_jpcaptest\.classpath
?????文件?????????388??2018-10-01?14:33??my_jpcaptest\.project
?????目錄???????????0??2018-10-01?14:33??my_jpcaptest\.settings\
?????文件?????????598??2018-10-01?14:33??my_jpcaptest\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2018-10-01?14:47??my_jpcaptest\bin\
?????目錄???????????0??2018-10-01?14:49??my_jpcaptest\bin\my_jpcaptest\
?????文件?????????964??2018-10-01?14:49??my_jpcaptest\bin\my_jpcaptest\my_receive.class
?????文件????????2550??2018-10-01?14:47??my_jpcaptest\bin\my_jpcaptest\my_send.class
?????文件????????1179??2018-10-01?14:49??my_jpcaptest\bin\my_jpcaptest\Receiver.class
?????目錄???????????0??2018-10-01?14:38??my_jpcaptest\lib\
?????文件???????27288??2015-04-25?14:49??my_jpcaptest\lib\jpcap.jar
?????目錄???????????0??2018-10-01?14:34??my_jpcaptest\src\
?????目錄???????????0??2018-10-01?14:48??my_jpcaptest\src\my_jpcaptest\
?????文件????????1122??2018-10-01?14:49??my_jpcaptest\src\my_jpcaptest\my_receive.java
?????文件????????1676??2018-10-01?14:44??my_jpcaptest\src\my_jpcaptest\my_send.java