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

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 

2、看一下本地窗口实现的代码框架

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 queue = new LinkedList(); 
 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 sorter = new TableRowSorter( 
  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