newdialog.java

一个简单的多线程下载程序

package com.network.flashget;

import java.awt.event.*;
import java.net.*;
import javax.swing.JFileChooser;
import java.io.File;
import javax.swing.JOptionPane;

/**
 *
 * @author  Administrator
 */
public class NewDialog extends javax.swing.JDialog implements ActionListener
{
    
    /** Creates new form NewJDialog1 */
    public NewDialog(java.awt.Frame parent, boolean modal) 
    {
        super(parent, modal);
        this.setBounds(200,200,400,300);
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {
        jLabel1 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jSpinner1 = new javax.swing.JSpinner();
        jLabel6 = new javax.swing.JLabel();
        fileDirectoryField = new javax.swing.JTextField();
        ipField = new javax.swing.JTextField();
        fileNameField = new javax.swing.JTextField();
        confirmButton = new javax.swing.JButton();
        cancelButton = new javax.swing.JButton();
        directoryButton = new javax.swing.JButton();
        
        confirmButton.addActionListener(this);
        cancelButton.addActionListener(this);
        directoryButton.addActionListener(this);

        getContentPane().setLayout(null);

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("\u6dfb\u52a0\u65b0\u7684\u4e0b\u8f7d\u4efb\u52a1");
        setResizable(false);
        jLabel1.setText("\u7f51\u5740");
        getContentPane().add(jLabel1);
        jLabel1.setBounds(10, 20, 70, 15);

        jLabel3.setText("\u53e6\u5b58\u5230");
        getContentPane().add(jLabel3);
        jLabel3.setBounds(10, 50, 70, 20);

        jLabel4.setText("\u91cd\u547d\u540d");
        getContentPane().add(jLabel4);
        jLabel4.setBounds(10, 80, 60, 20);

        jLabel5.setText("\u6587\u4ef6\u5206\u6210");
        getContentPane().add(jLabel5);
        jLabel5.setBounds(10, 120, 70, 20);

        getContentPane().add(jSpinner1);
        jSpinner1.setBounds(80, 120, 110, 20);

        jLabel6.setText("\u540c\u65f6\u4e0b\u8f7d");
        getContentPane().add(jLabel6);
        jLabel6.setBounds(200, 120, 80, 20);

        getContentPane().add(fileDirectoryField);
        fileDirectoryField.setBounds(80, 50, 240, 20);

        getContentPane().add(ipField);
        ipField.setBounds(80, 20, 240, 20);

        getContentPane().add(fileNameField);
        fileNameField.setBounds(80, 80, 240, 20);

        confirmButton.setText("\u786e\u5b9a");
        getContentPane().add(confirmButton);
        confirmButton.setBounds(170, 200, 70, 23);

        cancelButton.setText("\u53d6\u6d88");
        getContentPane().add(cancelButton);
        cancelButton.setBounds(280, 200, 60, 23);

        directoryButton.setText(". . .");
        getContentPane().add(directoryButton);
        directoryButton.setBounds(340, 50, 30, 23);
    }
    
    // 变量声明 - 不进行修改
    public javax.swing.JButton cancelButton;
    public javax.swing.JButton confirmButton;
    public javax.swing.JButton directoryButton;
    public javax.swing.JTextField fileDirectoryField;
    public javax.swing.JTextField fileNameField;
    public javax.swing.JTextField ipField;
    public javax.swing.JLabel jLabel1;
    public javax.swing.JLabel jLabel3;
    public javax.swing.JLabel jLabel4;
    public javax.swing.JLabel jLabel5;
    public javax.swing.JLabel jLabel6;
    public javax.swing.JSpinner jSpinner1;
    // 变量声明结束
    
    /**
     *定义按钮事件
     **/
    public void actionPerformed(ActionEvent e)
    {
    	if(e.getSource()==confirmButton)
    	{
    		try
    		{
    			URL url = new URL(ipField.getText());
    			String fileName = fileNameField.getText();
    			String fileDirectory = fileDirectoryField.getText()+"\\"+fileName;
    			System.out.println(fileDirectory);
    			int threadNum = ((Integer)jSpinner1.getValue()).intValue();

    			GetFile getFile = new GetFile(url,threadNum,fileDirectory,fileName);
 	 			getFile.connectTaskManager(); 	 			
 	 			
 	 		}
 	 		catch(Exception ee)
 	 		{
 	 			//
 	 		}
 	 		finally
 	 		{
 	 			this.dispose();
 	 		}	
    	}
    	
    	if(e.getSource()==cancelButton)
    	{
    		this.dispose();
    	}
    	
    	if(e.getSource()==directoryButton)
    	{
    		JFileChooser fileChooser = new JFileChooser();
    		fileChooser.setCurrentDirectory(new File(".\\DownLoads\\"));
    		fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    		
			if(fileChooser.showSaveDialog(null)==JFileChooser.CANCEL_OPTION)
    	   	{
   				return;
   	   		}
   	   			
  	   		String directory = fileChooser.getSelectedFile().getAbsolutePath();
  	   		fileDirectoryField.setText(directory);

    	}
    }
    
}