dlgcommand.java

Java端口扫描器

package src;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JToggleButton;


public class DlgCommand extends JDialog {
	private JTextField textField;
	public DlgCommand(ScannerGUI jf) {
		super(jf,true);
		setTitle("DOS命令");

		final JPanel panel = new JPanel();
		panel.setBackground(Color.BLACK);
		getContentPane().add(panel, BorderLayout.NORTH);

		final JLabel label = new JLabel();
		label.setForeground(Color.GREEN);
		label.setText("请输入DOS命令:");
		panel.add(label);

		textField = new JTextField();
		textField.setColumns(30);
		panel.add(textField);

		final JToggleButton toggleButton = new JToggleButton();
		toggleButton.addActionListener(new ActionListener() {
			public void actionPerformed(final ActionEvent e) {
				toggleButton.setEnabled(false);
				runCommandLine(textField.getText());
				dispose();
			}
		});
		toggleButton.setText("确定(O)");
		panel.add(toggleButton);

		final JToggleButton toggleButton_1 = new JToggleButton();
		toggleButton_1.addActionListener(new ActionListener() {
			public void actionPerformed(final ActionEvent e) {
				dispose();
			}
		});
		toggleButton_1.setText("取消(C)");
		panel.add(toggleButton_1);
	}
	
	public void runCommandLine(String command){
		BufferedReader buffer=null;
		try {
			Process p=Runtime.getRuntime().exec("cmd /c "+command);
			buffer=new BufferedReader(new InputStreamReader(p.getInputStream()));
			String msg=buffer.readLine();
			if(msg==null){
				ScannerGUI.textArea.setText("请输入正确的DOS命令...");
			}else{
				ScannerGUI.textArea.setText("DOS命令结果:"+"\n");
				while(msg!=null){
					ScannerGUI.textArea.append(msg.trim());
					msg=buffer.readLine();
				}
			}
			buffer.close();
		} catch (IOException e) {
			ScannerGUI.textArea.setText("请输入正确的DOS命令...");
		}finally{
			try {
				buffer.close();
			} catch (IOException e) {
				
			}
		}
	}
	
}