cm.java

JAVA实现的网络抓包程序

import java.awt.*; 
import java.net.*;
import java.math.*;
import java.sql.*; 
import java.awt.event.*;
import sun.jdbc .odbc .*;
class Window extends Frame implements ActionListener
{TextArea text; Panel panel; 
 TextField IDent;
 Button button1,button2;
 Window(){
	  super("ID随机性分析");
	  setLayout(new BorderLayout());setBackground(Color.cyan);
	  setBounds(150,150,300,120); setVisible(true);
	  text=new TextArea(); 
	  button1=new Button("确定");
	  button2=new Button("查询所有ID");
	  IDent=new TextField(16); panel=new Panel();
	  panel.add(new Label("输入抽样掩码匹配位串:"));
	  panel.add(IDent); panel.add(button1);
	  add("North",panel); add(text,"Center"); add(button2,"South");
	  text.setEditable(false); text.setBackground(Color.white);
	  button1.addActionListener(this); button2.addActionListener(this);
	  addWindowListener(new WindowAdapter(){
		  public void windowClosing(WindowEvent e){
		  setVisible(false); System.exit(0);}});
	 }
 public void actionPerformed(ActionEvent e){
	 if(e.getSource()==button1){
		 text.setText("查询结果"+'\n');
		 try{PipeiId();}
		 catch(SQLException ee) {}
		 }
	 else if(e.getSource()==button2){
		 text.setText("查询结果"+'\n');
		 try{ AllId();}
		 catch(SQLException ee) {}
		 }
	 }
 public void PipeiId() throws SQLException{
	 String id;
	 String PipeiChar; 
	 long count=0;
	 try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
	 catch(ClassNotFoundException e){}
	 Connection  con=DriverManager.getConnection("jdbc:odbc:bao","bao","123");
	 Statement sql=con.createStatement();
	 ResultSet rs=sql.executeQuery("SELECT * FROM bao");
	 while(rs.next()){
	 id=rs.getString(5);
	 PipeiChar=IDent.getText();
	 if(id.startsWith(PipeiChar))
	// if(id.startsWith(IDent.toString()))
	         
       //if((id.trim()).equals(IDent.getText().trim())) 
       {
       	   	  count++;
			 text.setText("相匹配的ID个数为"+count+'\n');
		
			 
			 }
		}
	   if((text.getText().trim()).equals("查询结果")){
			 text.setText("没有相匹配的ID"); }
		
		}

public void AllId() throws SQLException{
	String id;
	long count=0; 
	try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
	catch(ClassNotFoundException e) {}
	Connection con=DriverManager.getConnection("jdbc:odbc:bao","bao","123");
	Statement sql=con.createStatement();
	ResultSet rs=sql.executeQuery("SELECT * FROM bao");
	while(rs.next()){
		id=rs.getString(5);
	    //ID=ippacket.ident;
       // System.out.println(ID+" in binary: "+Long.toBinaryString(ID))
		text.setText('\n'+id+'\n');
	    count++;
		 text.setText("ID总数为"+count+'\n');
		}
	}
}
 
 class cm{
	public static void main(String args[]){
	Window window=new Window();
	window.pack();
	}
	}