frmftp.java

用java的ftpClient包和swing编写的带界面的ftp客户端

		{
			e.printStackTrace();
		}
		catch (FTPException e)
		{
			e.printStackTrace();
		}
		
	}//GEN-LAST:event_prevBtnActionPerformed

	//GEN-FIRST:event_formWindowClosing
	private void formWindowClosing(java.awt.event.WindowEvent evt) {
		try {
			ftpClient.quit();
			this.dispose();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (FTPException e) {
			e.printStackTrace();
		}
	}//GEN-LAST:event_formWindowClosing

	//GEN-FIRST:event_deleteButtonActionPerformed
	private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {
		String fileName = (String) this.remoteList.getSelectedValue();

		try {
			if (fileName != null && fileName.indexOf(".") == -1) { // 删除文件夹
				this.deleteDir(fileName);
			} else if (fileName != null && fileName.indexOf(".") > 0) { // 删除文件
				this.deleteFile(fileName);
			}
			this.remoteList.setModel(this.getRemoteListModel(ftpClient.pwd()));
		} catch (Exception e) {
			e.printStackTrace();
		}

	}//GEN-LAST:event_deleteButtonActionPerformed

	//GEN-FIRST:event_renameButtonActionPerformed
	private void renameButtonActionPerformed(java.awt.event.ActionEvent evt) {
		String newName = (String) JOptionPane.showInputDialog(null,
				"Input New Name", "Input", JOptionPane.INFORMATION_MESSAGE,
				null, null, null);
		String oldName = (String) this.remoteList.getSelectedValue();
		try {
			ftpClient.rename(oldName, newName);
			this.remoteList.setModel(this.getRemoteListModel(ftpClient.pwd()));
		} catch (IOException e) {
			e.printStackTrace();
		} catch (FTPException e) {
			e.printStackTrace();
		}
	}//GEN-LAST:event_renameButtonActionPerformed

	//GEN-FIRST:event_createDirButtonActionPerformed
	private void createDirButtonActionPerformed(java.awt.event.ActionEvent evt) {
		String inputDir = (String) JOptionPane.showInputDialog(null,
				"Input Dir Name", "Input", JOptionPane.INFORMATION_MESSAGE,
				null, null, null);
		try {// 创建文件夹
			ftpClient.mkdir(inputDir);
			this.remoteList.setModel(this.getRemoteListModel(ftpClient.pwd()));
		} catch (IOException e) {
			e.printStackTrace();
		} catch (FTPException e) {
			e.printStackTrace();
		}

	}//GEN-LAST:event_createDirButtonActionPerformed

	//GEN-FIRST:event_downloadBtnActionPerformed
	private void downloadBtnActionPerformed(java.awt.event.ActionEvent evt) {
		String select = (String) remoteList.getSelectedValue();
		FtpDownload ftpDownload = new FtpDownload(ftpClient);
		try {
			if (select == null || "..".equals(select)) {
				return;
			} else if (select.indexOf(".") == -1) {// 下载文件夹
				ftpDownload.downloadDir(this.localPath, select);
				this.localList.setModel(this.getListModel(this.localPath));
				//ftpClient.chdir(this.remotePath);
			} else { // 下载文件
				ftpDownload.downloadFile(this.localPath, select);
				//ftpClient.cdup();
				this.localList.setModel(this.getListModel(this.localPath));
				//ftpClient.chdir(this.remotePath);
			}
		} catch (IOException e) {
			e.printStackTrace();
		} catch (FTPException e) {
			e.printStackTrace();
		}

	}//GEN-LAST:event_downloadBtnActionPerformed

	//GEN-FIRST:event_uploadBtnActionPerformed
	private void uploadBtnActionPerformed(java.awt.event.ActionEvent evt) {
		String select = (String) localList.getSelectedValue();
		FtpUpload ftpUpload = new FtpUpload(ftpClient);
		try {
			if (select == null || "..".equals(select)) {
				return;
			} else if (select.indexOf(".") == -1) { // 上传目录
				ftpUpload.uploadDir(this.localPath + select);
				//ftpClient.cdup();
				this.remoteList.setModel(this.getRemoteListModel(ftpClient
						.pwd()));
				//ftpClient.chdir(this.remotePath);
			} else { // 上传文件
				ftpUpload.uploadFile(this.localPath + select);
				//ftpClient.cdup();
				this.remoteList.setModel(this.getRemoteListModel(ftpClient
						.pwd()));
				//ftpClient.chdir(this.remotePath);
			}
		} catch (IOException e) {
			e.printStackTrace();
		} catch (FTPException e) {
			e.printStackTrace();
		}

	}//GEN-LAST:event_uploadBtnActionPerformed

	//GEN-FIRST:event_remoteListMouseClicked
	private void remoteListMouseClicked(java.awt.event.MouseEvent evt) {
		if (evt.getClickCount() == 1) {
			remoteListSingleClick();
		} else if (evt.getClickCount() == 2) {
			remoteListDoubleClick();
		}
	}//GEN-LAST:event_remoteListMouseClicked

	//GEN-FIRST:event_localListMouseClicked
	private void localListMouseClicked(java.awt.event.MouseEvent evt) {
		if (evt.getClickCount() == 1) {
			// 鼠标单击事件
			localListSingleClick();
		} else if (evt.getClickCount() == 2) {
			// 鼠标双击事件
			localListDoubleClick();
		}
	}//GEN-LAST:event_localListMouseClicked

	//GEN-FIRST:event_remoteComboActionPerformed
	private void remoteComboActionPerformed(java.awt.event.ActionEvent evt) {
		if (evt.getSource() == remoteCombo) {
		}
	}//GEN-LAST:event_remoteComboActionPerformed

	//GEN-FIRST:event_localComboActionPerformed
	private void localComboActionPerformed(java.awt.event.ActionEvent evt) {
		if (evt.getSource() == localCombo) {
			localLabel.setText((String) localCombo.getSelectedItem());
			localList.setModel(this.getListModel((String) localCombo
					.getSelectedItem()));
			this.uploadBtn.setEnabled(false);
		}
	}//GEN-LAST:event_localComboActionPerformed

	private void localListSingleClick() {
		this.uploadBtn.setEnabled(true);
		this.localLabel.setText(this.localPath + "\\"
				+ (String) this.localList.getSelectedValue());
	}

	private void remoteListSingleClick() {
		this.downloadBtn.setEnabled(true);
		this.renameButton.setEnabled(true);
		this.deleteButton.setEnabled(true);
		this.remoteLabel.setText(this.remotePath + "\\"
				+ (String) this.remoteList.getSelectedValue());
	}

	private void localListDoubleClick() {
		String select = (String) localList.getSelectedValue();
		if (select == null) { // 为空时直接返回
			return;
		} else if (select.indexOf("..") != -1) { // 为返回上一级文件夹时
			int lastIndex = this.localPath.lastIndexOf("\\");
			this.localPath = this.localPath.substring(0, lastIndex);
			this.localList.setModel(this.getListModel(this.localPath));
			this.localLabel.setText(this.localPath);
			this.uploadBtn.setEnabled(false);
		} else if (select.indexOf(".") == -1) {// 为文件夹时
			this.localPath = this.localPath + "\\"
					+ (String) this.localList.getSelectedValue();
			this.localList.setModel(this.getListModel(this.localPath));
			this.localLabel.setText(this.localPath);
			this.uploadBtn.setEnabled(false);
		}
	}

	private void remoteListDoubleClick() {
		String select = (String) remoteList.getSelectedValue();
		try {
			if (select == null) {
				return;
			} else if (".".equals(select)) {// 返回到根目录
				int lastIndex = this.remotePath.lastIndexOf("\\");
				while (lastIndex > -1) {
					this.ftpClient.cdup();
					this.remotePath = this.remotePath.substring(0, lastIndex);
					lastIndex = this.remotePath.lastIndexOf("\\");
				}
				this.remoteList.setModel(this.getRemoteListModel("."));
				this.remoteLabel.setText(this.remotePath);
			} else if (select.indexOf("..") != -1) { // 返回到上一级目录
				int lastIndex = this.remotePath.lastIndexOf("\\");
				this.remotePath = this.remotePath.substring(0, lastIndex);
				this.ftpClient.cdup();
				this.remoteList.setModel(this.getRemoteListModel(ftpClient
						.pwd()));
				this.remoteLabel.setText(this.remotePath);
				this.downloadBtn.setEnabled(false);
				this.deleteButton.setEnabled(false);
				this.renameButton.setEnabled(false);
			} else if (select.indexOf(".") == -1) { // 进入到文件夹
				this.remotePath = this.remotePath + "\\" + select;
				this.remoteList.setModel(this.getRemoteListModel(select));
				this.ftpClient.chdir(select);
				this.remoteLabel.setText(this.remotePath);
				this.downloadBtn.setEnabled(false);
				this.deleteButton.setEnabled(false);
				this.renameButton.setEnabled(false);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	private void customInit() {
		try {
			 // 设置本地下拉框的内容
			localCombo.setModel(this.getComboModel());
			//	设置本地路径
			this.localPath = (String) localCombo.getSelectedItem();
			//	将本地路径设置到本地标签栏中
			localLabel.setText(localPath);
			//	设置本地列表框的内容
			localList.setModel(this.getListModel(localPath));
	         // 设置远程下拉框为不可用
			remoteCombo.setEnabled(false);
	        // 设置远程路经
			this.remotePath = ".";
		    // 将远程路径设置到远程标签栏中
			remoteLabel.setText(this.remotePath);
            // 设置远程列表框的内容
			remoteList.setModel(this.getRemoteListModel(this.remotePath));
            // 设置部分按钮为不可用
			this.uploadBtn.setEnabled(false);
			this.downloadBtn.setEnabled(false);
			this.renameButton.setEnabled(false);
			this.deleteButton.setEnabled(false);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private DefaultComboBoxModel getComboModel() {
		DefaultComboBoxModel model = new DefaultComboBoxModel();
		 // 获得本地盘符列表
		File[] roots = File.listRoots();
		for (int i = 0; i < roots.length; i++) {
			model.addElement(roots[i].getAbsolutePath());
		}
		return model;
	}

	private DefaultComboBoxModel getRemoteModel() {
		DefaultComboBoxModel model = new DefaultComboBoxModel();
		model.addElement(".");

		try {
			String[] dirNames = ftpClient.dir();
			for (int i = 0; i < dirNames.length; i++) {
				model.addElement(dirNames[i]);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}

		return model;
	}

	private DefaultListModel getListModel(String path) {
		DefaultListModel model = new DefaultListModel();
		if (path == null) {
			return null;
		}
		File file = new File(path);
		String[] list = file.list();
		if (list == null) {
			return null;
		}

		ArrayList directoryarray = new ArrayList();
		ArrayList filearray = new ArrayList();

		for (int i = 0; i < list.length; i++) {
			File tmpfile = new File(file.getPath() + "\\" + list[i]);
			if (tmpfile.isDirectory()) {
				 // 将文件夹添加到文件夹集合中
				directoryarray.add(list[i]);
			} else {
				//	将文件添加到文件集合中
				filearray.add(list[i]);
			}
		}

		ArrayList combin = new ArrayList();
		combin.addAll(directoryarray);
		combin.addAll(filearray);

		model.addElement("..");
		for (int i = 0; i < combin.size(); i++) {
			model.addElement(combin.get(i));
		}
		return model;
	}

	private DefaultListModel getRemoteListModel(String path) {
		DefaultListModel model = new DefaultListModel();
		try {
			String[] files = ftpClient.dir(path, true);
			for (int i = 0; i < files.length; i++) {
				int lastIndex = files[i].lastIndexOf(":");
				files[i] = files[i].substring(lastIndex + 4);
				model.addElement(files[i]);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return model;
	}

	private void deleteDir(String dir) throws Exception {
		String[] subFileNames = ftpClient.dir(dir, true);
		ftpClient.chdir(dir);
		for (int i = 0; i < subFileNames.length; i++) {
			int lastIndex = subFileNames[i].lastIndexOf(":");
			subFileNames[i] = subFileNames[i].substring(lastIndex + 4);
			if (subFileNames[i] == null || ".".equals(subFileNames[i])
					|| "..".equals(subFileNames[i])) {
				continue;
			} else if (subFileNames[i].indexOf(".") == -1) {
				this.deleteDir(subFileNames[i]);
			} else {
				this.deleteFile(subFileNames[i]);
			}
		}
		ftpClient.cdup();
		ftpClient.rmdir(dir);
	}

	private void deleteFile(String fileName) throws Exception {
		ftpClient.delete(fileName);
	}

	/**
	 * @param args the command line arguments
	 */
	public static void main(String args[]) {
		java.awt.EventQueue.invokeLater(new Runnable() {
			public void run() {
				new FrmFtp().setVisible(true);
			}
		});
	}

	//GEN-BEGIN:variables
	// Variables declaration - do not modify
	private javax.swing.JButton createDirButton;

	private javax.swing.JButton deleteButton;

	private javax.swing.JButton downloadBtn;

	private javax.swing.JLabel jLabel1;

	private javax.swing.JPanel jPanel1;

	private javax.swing.JPanel jPanel2;

	private javax.swing.JPanel jPanel3;

	private javax.swing.JScrollPane jScrollPane1;

	private javax.swing.JScrollPane jScrollPane2;

	private javax.swing.JComboBox localCombo;

	private javax.swing.JLabel localLabel;

	private javax.swing.JList localList;

	private javax.swing.JButton prevBtn;

	private javax.swing.JComboBox remoteCombo;

	private javax.swing.JLabel remoteLabel;

	private javax.swing.JList remoteList;

	private javax.swing.JButton renameButton;

	private javax.swing.JButton rootBtn;

	private javax.swing.JButton uploadBtn;
	// End of variables declaration//GEN-END:variables

}