1 import java.net.*;  2 import java.io.*;  3 import java.awt.*;  4 import java.awt.event.*;  5 import javax.swing.*;  6   7 public class TcpThread extends Thread{  8       9     //定义变量 10     public static InetAddress hostAddress;//主机IP地址 11     public static int MIN_port;            //The minimal number of port 12     public static int MAX_port;            //The maximal number of port 13     private int NUM_thread;                //线程总数 14     public static int type;                //查询方式，0为IP方式1为主机名查询方式 15      16     public static int ip1;//IP前三位 17     public static int ip2;//IP4~6位 18     public static int ip3;//IP7~9位 19     public static int ipstart;//起始IP地址最后四位 20     public static int ipend;//结束IP地址最后四位 21     public static String ipAll;//完整的IP地址 22      23     String nameHost = "";//扫描的主机名称或IP地址 24     String typeport = "0";//端口类别 25      26     /** 27      * 构造函数 28      */ 29     public TcpThread( String name, int numthread ){ 30         super(name); 31         this.NUM_thread = numthread; 32     } 33      34     /** 35      * run()运行函数 36      */ 37     public void run( ) { 38          39         int h = 0;//IP address 40         int i = 0;//port number 41          42         Socket theTcpSocket; 43          44         //根据IP地址进行扫描 45         if( 0 == type ){ 46             //IP地址循环扫描 47             for( h = ipstart; h <= ipend; h++){ 48                 ipAll = "" + ip1 + "." + ip2 + "." + ip3 + "." + h; 49                 nameHost = ipAll; 50                  51                 try{ 52                     hostAddress = InetAddress.getByName( ipAll ); 53                 }catch( UnknownHostException e){} 54                  55                 //不同端口循环扫描 56                 for( i = MIN_port; i < MAX_port + Integer.parseInt( ThreadScan.maxThread.getText() ); 57                         i += Integer.parseInt(ThreadScan.maxThread.getText() ) ){ 58                     try{ 59                         theTcpSocket = new Socket(hostAddress, i); 60                         theTcpSocket.close(); 61                          62                         ThreadScan.Result.append( nameHost +":"+i); 63                          64                         switch( i ){
    //其实这儿可以不用switch，直接用个hash表记录就可以 65                             case 21: 66                                 typeport = "(FTP)"; 67                                 break; 68                             case 23: 69                                 typeport = "(TELNET)"; 70                                 break; 71                             case 25: 72                                 typeport = "SMTP"; 73                                 break; 74                             case 80: 75                                 typeport = "HTTP"; 76                                 break; 77                             case 110: 78                                 typeport = "POP"; 79                                 break; 80                             case 139: 81                                 typeport = "netBIOS"; 82                                 break; 83                             case 1433: 84                                 typeport = "SQL Server"; 85                                 break; 86                             case 3389: 87                                 typeport = "Terminal Service"; 88                                 break; 89                             case 443: 90                                 typeport = "HTTPS"; 91                                 break; 92                             case 1521: 93                                 typeport = "Oracle"; 94                                 break; 95                         } 96                          97                         //端口没有特定类型 98                         if( typeport.equals("0")){ 99                             ThreadScan.Result.append("\n");100                         }else{101                             ThreadScan.Result.append(":" + typeport + "\n");102                         }            103                     }catch( IOException e){}104                 }105             }106             if( i == MAX_port + Integer.parseInt(ThreadScan.maxThread.getText())){107                 ThreadScan.Result.append("\n" + "扫描完成...");108                 //请"确定"按钮设置为可用109                 if( !ThreadScan.Submit.setEnable( true ) );110             }111         }112         113         //按主机名进行端口扫描114         if( 1 == type ){115             for( i = MIN_port + NUM_thread; i < MAX_port + Integer.parseInt(ThreadScan.maxThread.getText());116                     i += Integer.parseInt( ThreadScan.maxThread.getText( ) ) ) {117                 try{118                     theTcpSocket = new Socket( hostAddress, i );119                     theTcpSocket.close();120                     ThreadScan.Result.append(" " + i);121                     switch( i ){
    //其实这儿可以不用switch，直接用个hash表记录就可以122                         case 21:123                             typeport = "(FTP)";124                             break;125                         case 23:126                             typeport = "(TELNET)";127                             break;128                         case 25:129                             typeport = "SMTP";130                             break;131                         case 80:132                             typeport = "HTTP";133                             break;134                         case 110:135                             typeport = "POP";136                             break;137                         case 139:138                             typeport = "netBIOS";139                             break;140                         case 1433:141                             typeport = "SQL Server";142                             break;143                         case 3389:144                             typeport = "Terminal Service";145                             break;146                         case 443:147                             typeport = "HTTPS";148                             break;149                         case 1521:150                             typeport = "Oracle";151                             break;152                     }153                     if( typeport.equals("0") ){154                         ThreadScan.Result.append("\n");155                     }else{156                         ThreadScan.Result.append(":" + typeport + "\n");157                     }158                 }catch( IOException e){159                     160                 }161             }162             if( i == MAX_port + Integer.parseInt(ThreadScan.maxThread.getText())){163                 ThreadScan.Result.append("\n" + "扫描完成...");164                 if( !ThreadScan.Submit.isEnable()){165                     ThreadScan.Submit.setEnabled( true );166                 }167             }        168         }//End of if169     }170 }

1 import java.net.*;  2 import java.io.*;  3 import java.awt.*;  4 import java.awt.event.*;  5 import javax.swing.*;  6 /**  7  * 实现扫描的主体程序，TreadScan  8  * @author Administrator  9  * 10  */ 11  12 public class ThreadScan { 13      14     public static JFrame main = new JFrame("Scaner(V1.0)By Nevermore");    //注册框架类 15     public static JTextArea Result = new JTextArea("", 4, 40);            //显示扫描结果 16     public static JScrollPane resultPane = new  17             JScrollPane( Result, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, 18             JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); 19      20      21     public static JTextField nameHost = new JTextField("localhost", 8 );//输入主机名文本框 22     public static JTextField fromip1 = new JTextField("0", 3);            //输入IP地址前三位的文本框 23     public static JTextField fromip2 = new JTextField("0", 3);            //输入IP地址4~6位的文本框 24     public static JTextField fromip3 = new JTextField("0", 3);            //输入IP地址7~9位的文本框 25     public static JTextField fromip4 = new JTextField("0", 3);            //输入IP地址后三位的文本框 26      27     public static JTextField toip = new JTextField("0", 3);                //输入目标IP地址后四位 28      29     public static JTextField minPort = new JTextField("0", 4);            //最小端口输入框 30     public static JTextField maxPort = new JTextField("1000", 4);        //最大端口输入框 31      32     public static JTextField maxThread = new JTextField("100", 3);        //最大线程数 33     public static JDialog DLGError = new JDialog(main, "错误！");        //错误提示框 34     public static JLabel DLGINFO = new JLabel(""); 35     public static JLabel type = new JLabel("请选择："); 36     //扫描类型 37     public static JRadioButton radioIP = new JRadioButton("IP地址："); 38     public static JRadioButton radioHost = new JRadioButton("主机名：", true); 39     //单选按钮组 40     public static ButtonGroup group= new ButtonGroup(); 41     public static JLabel p1 = new JLabel("端口范围："); 42     public static JLabel p2 = new JLabel("~"); 43     public static JLabel p3 = new JLabel("~"); 44     public static JLabel Pdot1 = new JLabel("."); 45     public static JLabel Pdot2 = new JLabel("."); 46     public static JLabel Pdot3 = new JLabel("."); 47     public static JLabel TNUM = new JLabel("线程数："); 48     public static JLabel RST = new JLabel("扫描结果："); 49     public static JLabel con = new JLabel(""); 50     //定义按钮 51     public static JButton Ok = new JButton("确定"); 52     public static JButton Submit = new JButton("开始扫描"); 53     public static JButton Cancel = new JButton("退出"); 54     public static JButton saveButton = new JButton("保存扫描结果"); 55     //菜单栏设计：这一块好好学习学习 56     public static JMenuBar myBar = new JMenuBar(); 57     public static JMenu myMenu = new JMenu("文件(F)"); 58     public static JMenuItem saveItem = new JMenuItem("保存扫描结果(S)"); 59     public static JMenuItem exitItem = new JMenuItem("退出(Q)"); 60     public static JMenu myMenu2 = new JMenu("帮助"); 61     public static JMenuItem helpItem = new JMenuItem("阅读"); 62      63     /** 64      * 主方法 65      */ 66     public static void main( String[] argcs ){ 67         main.setSize(500, 400); 68         main.setLocation(400, 400); 69         main.setResizable(false); 70         main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 71          72         DLGError.setSize(300, 100); 73         DLGError.setLocation(400, 400); 74         //添加"菜单栏" 75         myMenu.add(saveItem); 76         myMenu.add(exitItem); 77          78         myMenu2.add(helpItem); 79          80         myBar.add(myMenu);//将菜单条目添加到菜单 81         myBar.add(myMenu2); 82          83         main.setJMenuBar(myBar);//将菜单添加到框架 84         //设置热键 85         myMenu.setMnemonic('F'); 86         saveItem.setMnemonic('S'); 87         //为"另存为"组建设置快捷键CTRL + S 88         saveItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_MASK)); 89         //采用表格包模式布局 90         Container mPanel = main.getContentPane(); 91         GridBagConstraints c = new GridBagConstraints(); 92         c.insets = new Insets(10, 0, 0, 10); 93          94         c.gridx = 0;// 设置表格坐标 95         c.gridy = 0; 96         c.gridwidth = 10; 97         c.fill = GridBagConstraints.BOTH; 98         c.anchor = GridBagConstraints.CENTER; 99         mPanel.add(type, c);100         101         group.add(radioIP);102         group.add(radioHost);103         104         c.gridx = 0;105         c.gridy = 1;106         c.gridwidth = 1;107         c.fill = GridBagConstraints.BOTH;108         c.anchor = GridBagConstraints.CENTER;109         mPanel.add(radioIP, c);110         111         c.gridx = 1;112         c.gridy = 1;113         c.gridwidth = 1;114         c.fill = GridBagConstraints.CENTER;115         mPanel.add(fromip1, c);116         117         c.gridx = 2;118         c.gridy = 1;119         c.gridwidth = 1;120         c.fill = GridBagConstraints.BOTH;121         mPanel.add(Pdot1, c);122         123         c.gridx = 3;124         c.gridy = 1;125         c.gridwidth = 1;126         c.fill = GridBagConstraints.BOTH;127         c.anchor = GridBagConstraints.CENTER;128         mPanel.add(fromip2, c);129         130         c.gridx = 4;131         c.gridy = 1;132         c.gridwidth = 1;133         c.fill = GridBagConstraints.BOTH;134         c.anchor = GridBagConstraints.CENTER;135         mPanel.add(Pdot2, c);136         137         c.gridx = 5;138         c.gridy = 1;139         c.gridwidth = 1;140         c.fill = GridBagConstraints.BOTH;141         c.anchor = GridBagConstraints.CENTER;142         mPanel.add(fromip3, c);143         144         c.gridy = 1;145         c.gridx = 6;146         c.gridwidth = 1;147         c.fill = GridBagConstraints.BOTH;148         c.anchor = GridBagConstraints.CENTER;149         mPanel.add(Pdot3, c);150         151         152         c.gridx = 7;153         c.gridy = 1;154         c.gridwidth = 1;155         c.fill = GridBagConstraints.BOTH;156         c.anchor = GridBagConstraints.CENTER;157         mPanel.add(fromip4, c);158         159         c.gridx = 8;160         c.gridy = 1;161         c.gridwidth = 1;162         c.fill = GridBagConstraints.BOTH;163         c.anchor = GridBagConstraints.CENTER;164         mPanel.add(p2, c);165         166         c.gridx = 9;167         c.gridy = 1;168         c.gridwidth = 1;169         c.fill = GridBagConstraints.BOTH;170         c.anchor = GridBagConstraints.CENTER;171         mPanel.add(toip, c);172         173         c.gridx = 0;174         c.gridy = 2;175         c.gridwidth = 1;176         c.fill = GridBagConstraints.BOTH;177         c.anchor = GridBagConstraints.CENTER;178         mPanel.add(radioHost, c);179         180         c.gridx = 1;181         c.gridy = 2;182         c.gridwidth = 3;183         c.fill = GridBagConstraints.BOTH;184         c.anchor = GridBagConstraints.CENTER;185         mPanel.add(nameHost, c);186         187         c.gridx = 0;188         c.gridy = 3;189         c.gridwidth = 1;190         c.fill = GridBagConstraints.BOTH;191         c.anchor = GridBagConstraints.CENTER;192         mPanel.add(p1, c);193         194         c.gridx = 1;195         c.gridy = 3;196         c.gridwidth = 1;197         c.fill = GridBagConstraints.BOTH;198         c.anchor = GridBagConstraints.CENTER;199         mPanel.add(minPort, c);200         201         c.gridx = 2;202         c.gridy = 3;203         c.gridwidth = 1;204         c.fill = GridBagConstraints.BOTH;205         c.anchor = GridBagConstraints.CENTER;206         mPanel.add(p3, c);207         208         c.gridx = 3;209         c.gridy = 3;210         c.gridwidth = 1;211         c.fill = GridBagConstraints.BOTH;212         c.anchor = GridBagConstraints.CENTER;213         mPanel.add(maxPort, c);214         215         c.gridx = 0;216         c.gridy = 4;217         c.gridwidth = 1;218         c.fill = GridBagConstraints.BOTH;219         c.anchor = GridBagConstraints.CENTER;220         mPanel.add(TNUM, c);221         222         c.gridx = 1;223         c.gridy = 4;224         c.gridwidth = 3;225         c.fill = GridBagConstraints.BOTH;226         c.anchor = GridBagConstraints.CENTER;227         mPanel.add(maxThread, c);228         229         c.gridx = 0;230         c.gridy = 5;231         c.gridwidth = 3;232         c.fill = GridBagConstraints.BOTH;233         c.anchor = GridBagConstraints.CENTER;234         mPanel.add(Submit, c);235     236         237         c.gridx = 3;238         c.gridy = 5;239         c.gridwidth = 3;240         c.fill = GridBagConstraints.BOTH;241         c.anchor = GridBagConstraints.CENTER;242         mPanel.add(saveButton, c);243         244         c.gridx = 6;245         c.gridy = 5;246         c.gridwidth =4;247         c.fill = GridBagConstraints.BOTH;248         c.anchor = GridBagConstraints.CENTER;249         mPanel.add(Cancel, c);250         251         c.gridx = 0;252         c.gridy = 6;253         c.gridwidth = 10;254         c.fill = GridBagConstraints.BOTH;255         c.anchor = GridBagConstraints.CENTER;256         mPanel.add(RST, c);257         258         //设置文本域可以换行259         Result.setLineWrap(true);260         //设置文本域不可编辑261         Result.setEditable(false);262         263         264         c.gridx = 0;265         c.gridy = 7;266         c.gridwidth = 10;267         c.gridheight = 4;268         c.fill = GridBagConstraints.VERTICAL;269         c.anchor = GridBagConstraints.CENTER;270         mPanel.add(resultPane, c);271         272         Container dPanel = DLGError.getContentPane();273         dPanel.setLayout(new FlowLayout(FlowLayout.CENTER));274         dPanel.add(DLGINFO);275         dPanel.add(Ok);276         277         278         Submit.addActionListener(new SubmitAction());279         Cancel.addActionListener(new CancelAction());280         Ok.addActionListener(new OkAction());281         282         //实现保存功能283         saveItem.addActionListener(new java.awt.event.ActionListener(){284             public void actionPerformed(java.awt.event.ActionEvent e){285                 JFileChooser fc = new JFileChooser();286                 int returnVal = fc.showSaveDialog(null);287                 //单击保存按钮288                 if( 0 == returnVal ){289                     File saveFile = fc.getSelectedFile();290                     try{291                         FileWriter writeOut = new FileWriter( saveFile );292                         writeOut.write(ThreadScan.Result.getText());293                         writeOut.close();294                         295                     }catch( IOException ex ){ System.out.println("保存失败");}296                 }297             }298         });299         //实现退出功能300         ActionListener li =  new java.awt.event.ActionListener(){301             public void actionPerformed(java.awt.event.ActionEvent e){302                 System.exit(0);303             }304         };305         exitItem.addActionListener(li);306         //实现帮助功能307         308         ActionListener lil =  new java.awt.event.ActionListener(){309             public void actionPerformed(java.awt.event.ActionEvent e){310                 new AboutDialog();//311             }312         };313         helpItem.addActionListener(lil);314         315         ActionListener lill =  new java.awt.event.ActionListener(){316             public void actionPerformed(java.awt.event.ActionEvent e){317                 JFileChooser fc = new JFileChooser();318                 int returnVal = fc.showSaveDialog(null);319                 //单击保存按钮320                 if( 0 == returnVal ){321                     File saveFile = fc.getSelectedFile();322                     try{323                         FileWriter writeOut = new FileWriter(saveFile);324                         writeOut.write(ThreadScan.Result.getText());325                         writeOut.close();326                     }catch(IOException ex ){ System.out.println("保存失败");}327                 }else{328                     return;//单击取消329                 }330                 331             }332         };333         saveButton.addActionListener(lill);334         main.setVisible(true);335     }336 }337 /**338  * 339  * @author Nevermore340  *    实现取消功能341  */342 class CancelAction implements ActionListener{343     public void actionPerformed( ActionEvent e){344         System.exit(0);345     }346 }347 /**348  * 349  * @author Nevermore350  *    实现确定按钮351  */352 class SubmitAction implements ActionListener{353     public void actionPerformed( ActionEvent a){354         int minPort;355         int maxPort;356         int maxThread;357         358         int ip1 = 0;359         int ip2 = 0;360         int ip3 = 0;361         int ipstart = 0;362         int ipend = 0;363         364         String ipaddress = "";365         String nameHost = "";366         ThreadScan.Result.setText("");367         if( ThreadScan.Submit.isEnabled()){368             ThreadScan.Submit.setEnabled(false);369         }370         /**371          * 判断扫描类型372          * 根据IP地址扫描 type = 0373          *根据主机名称扫描type = 1374          */375         if( ThreadScan.radioIP.isSelected()){376             TcpThread.type = 0;377             //判断IP地址的前三位是否是int型378             try{379                 ip1 = Integer.parseInt(ThreadScan.fromip1.getText());380             }catch( NumberFormatException e ){381                 ThreadScan.DLGINFO.setText("错误的IP地址");382                 ThreadScan.DLGError.setVisible(true);383                 return;384             }385             try{386                 ip2 = Integer.parseInt(ThreadScan.fromip2.getText());387             }catch( NumberFormatException e ){388                 ThreadScan.DLGINFO.setText("错误的IP地址");389                 ThreadScan.DLGError.setVisible(true);390                 return;391             }392             try{393                 ip3 = Integer.parseInt(ThreadScan.fromip3.getText());394             }catch( NumberFormatException e ){395                 ThreadScan.DLGINFO.setText("错误的IP地址");396                 ThreadScan.DLGError.setVisible(true);397                 return;398             }399             try{400                 ipstart = Integer.parseInt(ThreadScan.fromip4.getText());401             }catch( NumberFormatException e ){402                 ThreadScan.DLGINFO.setText("错误的IP地址");403                 ThreadScan.DLGError.setVisible(true);404                 return;405             }406             try{407                 ipend = Integer.parseInt(ThreadScan.toip.getText());408             }catch( NumberFormatException e ){409                 ThreadScan.DLGINFO.setText("错误的IP地址");410                 ThreadScan.DLGError.setVisible(true);411                 return;412             }413             414             //判断是否是合理的IP地址415             if(ip1 < 0 || ip1 > 255 || ip2 < 0 || ip2 > 255 ||416                ip3 < 0 || ip3 > 255 || ipstart < 0 || ipstart > 255 ){417                 ThreadScan.DLGINFO.setText("IP地址为0~255的整数");418                 ThreadScan.DLGError.setVisible(true);419                 return ;420             }else{421                 TcpThread.ip1 = ip1;422                 TcpThread.ip2 = ip2;423                 TcpThread.ip3 = ip3;424                 TcpThread.ipstart = ipstart;425             }426             //判断目标IP地是否合理427             if( ipend < 0 || ipend > 255 ){428                 ThreadScan.DLGINFO.setText("目标IP地址的范围是0~255");429                 ThreadScan.DLGError.setVisible(true);430                 return;431             }else{432                 TcpThread.ipend = ipend;433             }434             435             ipaddress = "" + ip1 + ip2 + ip3 + ipstart;436             437             /**438              * 判断IP地址的有效性439              */440             try{441                 TcpThread.hostAddress = InetAddress.getByName(ipaddress);442             }catch( UnknownHostException e){443                 ThreadScan.DLGINFO.setText("错误的IP或IP地址不可到达！");444                 ThreadScan.DLGError.setVisible(true);445                 return;446             }447             448             if( ThreadScan.radioHost.isSelected()){449                 TcpThread.type = 1;450                 /**451                  * 判断主机名的有效性452                  */453                 try{454                     TcpThread.hostAddress = InetAddress.getByName(ThreadScan.nameHost.getText());455                 }catch( UnknownHostException e){ 456                     ThreadScan.DLGINFO.setText("错误的域名或地址不可到达！");457                     ThreadScan.DLGError.setVisible(true);458                     return;459                 }460             }461             /**462              * 判断端口号的有效性463              */464             try{465                 minPort = Integer.parseInt(ThreadScan.minPort.getText());466                 maxPort = Integer.parseInt(ThreadScan.maxPort.getText());467                 maxThread = Integer.parseInt(ThreadScan.maxThread.getText());468             }catch( NumberFormatException e ){469                 ThreadScan.DLGINFO.setText("错误的端口号或端口号和线程数必须为整数");470                 ThreadScan.DLGError.setVisible(true);471                 return;472             }473             /**474              * 判断最小端口号的有效范围475              * 判断条件大于0小于65535最大端口号大于最小端口号476              */477             if( minPort < 0 || minPort > 65535 || minPort > maxPort ){478                 ThreadScan.DLGINFO.setText("端口号范围：0~65535,并且最大端口号应大于最小端口号！");479                 ThreadScan.DLGError.setVisible(true);480                 return;481             }else{482                 TcpThread.MIN_port = minPort;483             }484             /**485              * 判断最大端口号的有效范围486              */487             if( maxPort < 0 || maxPort > 65535 || maxPort < minPort ){488                 ThreadScan.DLGINFO.setText("端口号范围：0~65535,并且最大端口号应大于最小端口号！");489                 ThreadScan.DLGError.setVisible(true);490                 return;491             }else{492                 TcpThread.MAX_port = maxPort;493             }494             /**495              * 判断线程数的有效范围496              * 判断条件 大于1且小于200497              */498             if( maxThread < 1 || maxThread > 200 ){499                 ThreadScan.DLGINFO.setText("线程数的有效范围是1~200");500                 ThreadScan.DLGError.setVisible(true);501                 return;502             }503             ThreadScan.Result.append("线程数" + ThreadScan.maxThread.getText() + "\n");504             505             /**506              * 启动线程507              */508             for( int i = 0; i < maxThread; i++ ){509                 new TcpThread("T" + i, i).start();510             }511         }    512     }513 }514 /**515  * 516  * @author Administrator517  *    错误对话框518  */519 class OkAction implements ActionListener{520     public void actionPerformed( ActionEvent e){521         ThreadScan.DLGError.dispose();522     }523 }

import javax.swing.*;import java.awt.*;public class AboutDialog extends JDialog{    JPanel JMainPane = new JPanel();    JTabbedPane jTabbedPane = new JTabbedPane();        private JPanel JPanel1 = new JPanel();    private JPanel JPanel2 = new JPanel();        private JTextArea jt1 = new JTextArea(6, 6);    private JTextArea jt2 = new JTextArea(6, 6);        /**     * 构造函数     */     public AboutDialog(){         setTitle("Scaner");         setSize(300,200);         setResizable(false);         setDefaultCloseOperation( WindowConstants.DISPOSE_ON_CLOSE);                  Container c = this.getContentPane();                  jt1.setSize(260,200);         jt2.setSize(260,200);         jt1.setEditable(false);         jt2.setEditable(false);         jt1.setLineWrap(true);         jt2.setLineWrap(true);                  jt1.setText("");         jt1.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13));         jt2.setText("");         jt2.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13));                  jt1.setForeground(Color.black);         jt2.setForeground(Color.black);                  JPanel1.add(jt1);         JPanel2.add(jt2);                  jTabbedPane.setSize(300,200);         jTabbedPane.addTab("扫描原理", null, JPanel1, null);         jTabbedPane.addTab("使用说明", null, JPanel2, null);         JMainPane.add(jTabbedPane);         c.add(JMainPane);         pack();         this.setVisible(true);     }}