Home  >  Article  >  Java  >  Java language implementation of simple FTP software-FTP software remote window implementation (6)

Java language implementation of simple FTP software-FTP software remote window implementation (6)

黄舟
黄舟Original
2017-04-01 10:21:381440browse

这篇文章主要为大家详细介绍了Java语言实现简单FTP软件,FTP软件远程窗口的实现方法,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文为大家介绍了FTP软件远程窗口的实现方法,供大家参考,具体内容如下

1、首先看一下远程窗口的布局效果 

Java language implementation of simple FTP software-FTP software remote window implementation (6)

2、看一下本地窗口实现的代码框架

Java language implementation of simple FTP software-FTP software remote window implementation (6)

3、远程窗口主要实现代码FtpPanel.java

package com.oyp.ftp.panel.ftp; 
 
import java.awt.Color; 
import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 
import java.io.IOException; 
import java.util.LinkedList; 
import java.util.Queue; 
import java.util.logging.Level; 
import java.util.logging.Logger; 
 
import javax.swing.ActionMap; 
import javax.swing.JScrollPane; 
import javax.swing.JTable; 
import javax.swing.SwingUtilities; 
import javax.swing.Timer; 
import javax.swing.table.DefaultTableModel; 
import javax.swing.table.TableModel; 
import javax.swing.table.TableRowSorter; 
import javax.swing.table.TableStringConverter; 
 
 
import sun.net.TelnetInputStream; 
import com.oyp.ftp.FTPClientFrame; 
import com.oyp.ftp.panel.FTPTableCellRanderer; 
import com.oyp.ftp.utils.FtpClient; 
import com.oyp.ftp.utils.FtpFile; 
 
public class FtpPanel extends javax.swing.JPanel { 
 
 FtpClient ftpClient; 
 private javax.swing.JButton createFolderButton; 
 private javax.swing.JButton delButton; 
 private javax.swing.JButton downButton; 
 javax.swing.JTable ftpDiskTable; 
 private javax.swing.JLabel ftpSelFilePathLabel; 
 private javax.swing.JScrollPane scrollPane; 
 private javax.swing.JToolBar toolBar; 
 private javax.swing.JButton refreshButton; 
 private javax.swing.JButton renameButton; 
 FTPClientFrame frame = null; 
 Queue<Object[]> queue = new LinkedList<Object[]>(); 
 private DownThread thread; 
 
 public FtpPanel() { 
 initComponents(); 
 } 
 
 public FtpPanel(FTPClientFrame client_Frame) { 
 frame = client_Frame; 
 initComponents(); 
 } 
 
 private void initComponents() { 
 ActionMap actionMap = getActionMap(); 
 actionMap.put("createFolderAction", new CreateFolderAction(this, 
  "创建文件夹", null)); 
 actionMap.put("delAction", new DelFileAction(this, "删除", null)); 
 actionMap.put("refreshAction", new RefreshAction(this, "刷新", null)); 
 actionMap.put("renameAction", new RenameAction(this, "重命名", null)); 
 actionMap.put("downAction", new DownAction(this, "下载", null)); 
 
 java.awt.GridBagConstraints gridBagConstraints; 
 
 toolBar = new javax.swing.JToolBar(); 
 delButton = new javax.swing.JButton(); 
 renameButton = new javax.swing.JButton(); 
 createFolderButton = new javax.swing.JButton(); 
 downButton = new javax.swing.JButton(); 
 refreshButton = new javax.swing.JButton(); 
 scrollPane = new JScrollPane(); 
 ftpDiskTable = new JTable(); 
 ftpDiskTable.setDragEnabled(true); 
 ftpSelFilePathLabel = new javax.swing.JLabel(); 
 
 setBorder(javax.swing.BorderFactory.createTitledBorder(null, "远程", 
  javax.swing.border.TitledBorder.CENTER, 
  javax.swing.border.TitledBorder.ABOVE_TOP)); 
 setLayout(new java.awt.GridBagLayout()); 
 
 toolBar.setRollover(true); 
 toolBar.setFloatable(false); 
 
 delButton.setText("删除"); 
 delButton.setFocusable(false); 
 delButton.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER); 
 delButton.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM); 
 delButton.setAction(actionMap.get("delAction")); 
 toolBar.add(delButton); 
 
 renameButton.setText("重命名"); 
 renameButton.setFocusable(false); 
 renameButton.setAction(actionMap.get("renameAction")); 
 toolBar.add(renameButton); 
 
 createFolderButton.setText("新文件夹"); 
 createFolderButton.setFocusable(false); 
 createFolderButton.setAction(actionMap.get("createFolderAction")); 
 toolBar.add(createFolderButton); 
 
 downButton.setText("下载"); 
 downButton.setFocusable(false); 
 downButton.setAction(actionMap.get("downAction")); 
 toolBar.add(downButton); 
 
 refreshButton.setText("刷新"); 
 refreshButton.setFocusable(false); 
 refreshButton.setAction(actionMap.get("refreshAction")); 
 toolBar.add(refreshButton); 
 
 gridBagConstraints = new java.awt.GridBagConstraints(); 
 gridBagConstraints.gridx = 0; 
 gridBagConstraints.gridy = 0; 
 gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; 
 gridBagConstraints.weightx = 1.0; 
 add(toolBar, gridBagConstraints); 
 
 ftpDiskTable.setModel(new FtpTableModel()); 
 ftpDiskTable.setShowHorizontalLines(false); 
 ftpDiskTable.setShowVerticalLines(false); 
 ftpDiskTable.getTableHeader().setReorderingAllowed(false); 
 ftpDiskTable.setDoubleBuffered(true); 
 ftpDiskTable.addMouseListener(new java.awt.event.MouseAdapter() { 
  public void mouseClicked(java.awt.event.MouseEvent evt) { 
  ftpDiskTableMouseClicked(evt); 
  } 
 }); 
 scrollPane.setViewportView(ftpDiskTable); 
 scrollPane.getViewport().setBackground(Color.WHITE); 
 //设置渲染本地资源和FTP资源表格组件的渲染器 
 ftpDiskTable.getColumnModel().getColumn(0).setCellRenderer( 
  FTPTableCellRanderer.getCellRanderer()); 
 //RowSorter 的一个实现,它使用 TableModel 提供排序和过滤操作。 
 TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>( 
  ftpDiskTable.getModel()); 
 TableStringConverter converter = new TableConverter(); 
 //设置负责将值从模型转换为字符串的对象。 
 sorter.setStringConverter(converter); 
 //设置 RowSorter。RowSorter 用于提供对 JTable 的排序和过滤。 
 ftpDiskTable.setRowSorter(sorter); 
 /** 
  * 颠倒指定列的排序顺序。调用此方法时,由子类提供具体行为。 
  * 通常,如果指定列已经是主要排序列,则此方法将升序变为降序(或将降序变为升序); 
  * 否则,使指定列成为主要排序列,并使用升序排序顺序。如果指定列不可排序,则此方法没有任何效果。 
  */ 
 sorter.toggleSortOrder(0); 
 
 gridBagConstraints = new java.awt.GridBagConstraints(); 
 gridBagConstraints.gridx = 0; 
 gridBagConstraints.gridy = 2; 
 gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH; 
 gridBagConstraints.weightx = 1.0; 
 gridBagConstraints.weighty = 1.0; 
 add(scrollPane, gridBagConstraints); 
 
 ftpSelFilePathLabel.setBorder(javax.swing.BorderFactory 
  .createEtchedBorder()); 
 gridBagConstraints = new java.awt.GridBagConstraints(); 
 gridBagConstraints.gridx = 0; 
 gridBagConstraints.gridy = 3; 
 gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; 
 add(ftpSelFilePathLabel, gridBagConstraints); 
 } 
 
 /** 
 * 表格单击或双击事件的处理方法。 
 */ 
 private void ftpDiskTableMouseClicked(java.awt.event.MouseEvent evt) { 
 int selectedRow = ftpDiskTable.getSelectedRow(); 
 Object value = ftpDiskTable.getValueAt(selectedRow, 0); 
 if (value instanceof FtpFile) { 
  FtpFile selFile = (FtpFile) value; 
  ftpSelFilePathLabel.setText(selFile.getAbsolutePath()); 
  if (evt.getClickCount() >= 2) { //双击鼠标 
  if (selFile.isDirectory()) { 
   try { 
   ftpClient.cd(selFile.getAbsolutePath()); 
   listFtpFiles(ftpClient.list()); 
   } catch (IOException ex) { 
   ex.printStackTrace(); 
   } 
  } 
  } 
 } 
 } 
 
 /** 
 * 读取FTP文件到表格的方法 
 * @param list 
 *  读取FTP服务器资源列表的输入流 
 */ 
 public synchronized void listFtpFiles(final TelnetInputStream list) { 
 // 获取表格的数据模型 
 final DefaultTableModel model = (DefaultTableModel) ftpDiskTable 
  .getModel(); 
 model.setRowCount(0); 
 // 创建一个线程类 
 Runnable runnable = new Runnable() { 
  public synchronized void run() { 
  ftpDiskTable.clearSelection(); 
  try { 
   String pwd = getPwd(); // 获取FTP服务器的当前文件夹 
   model.addRow(new Object[] { new FtpFile(".", pwd, true), 
    "", "" }); // 添加“.”符号 
   model.addRow(new Object[] { new FtpFile("..", pwd, true), 
    "", "" }); // 添加“..”符号 
   /* 
   byte[]names=new byte[2048]; 
   int bufsize=0; 
   bufsize=list.read(names, 0, names.length); 
//   list.close(); 
   int i=0,j=0; 
   while(i<bufsize){ 
   char bc=(char)names[i]; 
   System.out.print(i+" "+bc+" "); 
   //文件名在数据中开始做坐标为j,i-j为文件名的长度,文件名在数据中的结束下标为i-1 
   if (names[i]==13) { 
//    System.out.println("j:"+j+" i:"+i+ " i-j:"+(i-j)); 
    String temName=new String(names,j,i-j); 
    System.out.println("temName="+temName); 
    j=i+2; 
   } 
   i=i+1; 
   } 
   */ 
   /* 其中格式应满足如下格式的字符串 结果为: 
   0 -: 1 r: 2 w: 3 x: 4 -: 5 -: 6 -: 7 -: 8 -: 9 -: 10 : 11 1: 12 : 13 
   u: 14 s: 15 e: 16 r: 17 : 18 g: 19 r: 20 o: 21 u: 22 
   p: 23 : 24 : 25 : 26 : 27 : 28 : 29 : 30 : 31 : 32 6: 33 7: 34 8: 35 4: 36 3: 37 0: 38 : 39 
   A: 40 p: 41 r: 42 : 43 1: 44 6: 45 : 46 2: 47 1: 48 :: 49 4: 50 6: 51 : 52 F: 53 
   T: 54 P: 55 ?: 56 ?: 57 ?: 58 ?: 59 ?: 60 ?: 61 ?: 62 ?: 63 ?: 64 ?: 65 ?: 66 ?: 67 ?: 68 
   ?: 69 ?: 70 ?: 71 ?: 72 ?: 73 .: 74 p: 75 d: 76 f: 77 
    
    -rwx------ 1 user group  678430 Apr 16 21:46 FTP客户端的设计与实现.pdf 
    -rwx------ 1 user group 87504927 Apr 18 22:50 VC.深入详解(孙鑫)[www.xuexi111.com].pdf 
    -rwx------ 1 user group  57344 Apr 18 05:32 腾讯电商2013实习生招聘TST推荐模板.xls 
    
    *<br>d  表示目录 
    * <br>-  表示文件 
    * <br>rw-rw-rw- 表示权限设置 
    
   dateStr:39-51 
   sizeOrDir:23-38 
   fileName:52-^ 
   */ 
   
   /*********************************************************/ 
   byte[]names=new byte[2048]; 
   int bufsize=0; 
   bufsize=list.read(names, 0, names.length); 
   int i=0,j=0; 
   while(i<bufsize){ 
   //字符模式为10,二进制模式为13 
//   if (names[i]==10) { 
   if (names[i]==13) { 
    //获取字符串 -rwx------ 1 user group  57344 Apr 18 05:32 腾讯电商2013实习生招聘TST推荐模板.xls 
    //文件名在数据中开始做坐标为j,i-j为文件名的长度,文件名在数据中的结束下标为i-1 
    String fileMessage = new String(names,j,i-j); 
    if(fileMessage.length() == 0){ 
    System.out.println("fileMessage.length() == 0"); 
    break; 
    } 
    //按照空格将fileMessage截为数组后获取相关信息 
    // 正则表达式 \s表示空格,{1,}表示1一个以上 
    if(!fileMessage.split("\\s+")[8].equals(".") && !fileMessage.split("\\s+")[8].equals("..")){ 
    /**文件大小*/ 
    String sizeOrDir=""; 
    if (fileMessage.startsWith("d")) {//如果是目录 
     sizeOrDir="<DIR>"; 
    }else if (fileMessage.startsWith("-")) {//如果是文件 
     sizeOrDir=fileMessage.split("\\s+")[4]; 
    } 
    /**文件名*/ 
    String fileName=fileMessage.split("\\s+")[8]; 
    /**文件日期*/ 
    String dateStr =fileMessage.split("\\s+")[5] +" "+fileMessage.split("\\s+")[6]+" " +fileMessage.split("\\s+")[7]; 
//    System.out.println("sizeOrDir="+sizeOrDir); 
//    System.out.println("fileName="+fileName); 
//    System.out.println("dateStr="+dateStr); 
     
    FtpFile ftpFile = new FtpFile(); 
    // 将FTP目录信息初始化到FTP文件对象中 
    ftpFile.setLastDate(dateStr); 
    ftpFile.setSize(sizeOrDir); 
    ftpFile.setName(fileName); 
    ftpFile.setPath(pwd); 
    // 将文件信息添加到表格中 
    model.addRow(new Object[] { ftpFile, ftpFile.getSize(), 
     dateStr }); 
    } 
    
//    j=i+1;//上一次位置为字符模式 
    j=i+2;//上一次位置为二进制模式 
   } 
   i=i+1; 
   } 
   list.close(); 
   
   /********************************************************************** 
   //下面的方法太死了,不够灵活 
   BufferedReader br = new BufferedReader( 
    new InputStreamReader(list)); // 创建字符输入流 
   String data = null; 
   // 读取输入流中的文件目录 
   while ((data = br.readLine()) != null) { 
   // 创建FTP文件对象 
   FtpFile ftpFile = new FtpFile(); 
   // 获取FTP服务器目录信息 
    String dateStr = data.substring(39, 51).trim(); 
    String sizeOrDir = data.substring(23, 38).trim(); 
    String fileName = data.substring(52, data.length()) 
     .trim(); 
    // 将FTP目录信息初始化到FTP文件对象中 
    ftpFile.setLastDate(dateStr); 
    ftpFile.setSize(sizeOrDir); 
    ftpFile.setName(fileName); 
    ftpFile.setPath(pwd); 
    // 将文件信息添加到表格中 
    model.addRow(new Object[] { ftpFile, ftpFile.getSize(), 
     dateStr }); 
   } 
   br.close(); // 关闭输入流 
   **********************************************************************/ 
   
  } catch (IOException ex) { 
   Logger.getLogger(FTPClientFrame.class.getName()).log( 
    Level.SEVERE, null, ex); 
  } 
  } 
 }; 
 if (SwingUtilities.isEventDispatchThread()) // 启动线程对象 
  runnable.run(); 
 else 
  SwingUtilities.invokeLater(runnable); 
 } 
 
 
 /** 
 * 设置FTP连接,并启动下载队列线程的方法 
 */ 
 public void setFtpClient(FtpClient ftpClient) { 
 this.ftpClient = ftpClient; 
 // 以30秒为间隔与服务器保持通讯 
 final Timer timer = new Timer(3000, new ActionListener() { 
  @Override 
  public void actionPerformed(ActionEvent e) { 
  try { 
   final FtpClient ftpClient = FtpPanel.this.ftpClient; 
   if (ftpClient != null && ftpClient.serverIsOpen()) { 
   ftpClient.noop(); 
   } 
  } catch (IOException e1) { 
   e1.printStackTrace(); 
  } 
  } 
 }); 
 timer.start(); 
 startDownThread(); 
 } 
 
 /** 
 * 刷新FTP资源管理面板的当前文件夹 
 */ 
 public void refreshCurrentFolder() { 
 try { 
  // 获取服务器文件列表 
  TelnetInputStream list = ftpClient.list(); 
  listFtpFiles(list); // 调用解析方法 
 } catch (IOException e) { 
  e.printStackTrace(); 
 } 
 } 
 
 /** 
 * 开始下载队列线程 
 */ 
 private void startDownThread() { 
 if (thread != null) 
  thread.stopThread(); 
 thread = new DownThread(this); 
 thread.start(); 
 } 
 
 /** 
 * 停止下载队列线程 
 */ 
 public void stopDownThread() { 
 if (thread != null) { 
  thread.stopThread(); 
  ftpClient = null; 
 } 
 } 
 
 public String getPwd() { 
 String pwd = null; 
 try { 
  pwd = ftpClient.pwd(); 
 } catch (IOException e) { 
  e.printStackTrace(); 
 } 
 return pwd; 
 } 
 
 public Queue<Object[]> getQueue() { 
 return queue; 
 } 
 
 /** 
 * 清除FTP资源表格内容的方法 
 */ 
 public void clearTable() { 
 FtpTableModel model = (FtpTableModel) ftpDiskTable.getModel(); 
 model.setRowCount(0); 
 } 
}

The above is the detailed content of Java language implementation of simple FTP software-FTP software remote window implementation (6). For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn