addtaskframe.java~11~

多线程下载器。该小程序模范迅雷等下载器的下载原理实现多线程下载

package mydownloader.ui;

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Rectangle;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFileChooser;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2009</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class AddTaskFrame extends JFrame {
    private String filePath;
    public AddTaskFrame() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        getContentPane().setLayout(null);
        this.setResizable(false);
        this.setSize(600,200);
        this.setLocation(300,200);
        this.setTitle("MyDownloader-添加任务");
        jLabel1.setText("地址：");
        jLabel1.setBounds(new Rectangle(35, 29, 42, 15));
        jLabel2.setText("保存路径：");
        jLabel2.setBounds(new Rectangle(35, 97, 64, 15));
        txtFilePath.setBounds(new Rectangle(63, 126, 360, 20));
        btnFile.setBounds(new Rectangle(442, 126, 81, 23));
        btnFile.setText("浏览");
        btnFile.addActionListener(new AddTaskFrame_btnFile_actionAdapter(this));
        btnStart.setBounds(new Rectangle(214, 163, 81, 23));
        btnStart.setText("开始下载");
        btnStart.addActionListener(new AddTaskFrame_btnStart_actionAdapter(this));
        this.getContentPane().add(jLabel1);
        this.getContentPane().add(txtURL);
        this.getContentPane().add(jLabel2);
        this.getContentPane().add(txtFilePath);
        this.getContentPane().add(btnFile);
        this.getContentPane().add(btnStart);
        txtURL.setBounds(new Rectangle(63, 52, 360, 20));
    }

    JLabel jLabel1 = new JLabel();
    JTextField txtURL = new JTextField();
    JLabel jLabel2 = new JLabel();
    JTextField txtFilePath = new JTextField();
    JButton btnFile = new JButton();
    JButton btnStart = new JButton();
    public void btnFile_actionPerformed(ActionEvent e) {
        JFileChooser jFileChooser = new JFileChooser("D:\\");
        int result;
        result = jFileChooser.showSaveDialog(this);
        jFileChooser.setFileSelectionMode(jFileChooser.DIRECTORIES_ONLY);
        if(result == JFileChooser.APPROVE_OPTION){
            this.filePath = filePath;
            this.txtFilePath.setText(this.filePath);
        }
        else{
            System.out.println("bbb");
        }
    }

    public void btnStart_actionPerformed(ActionEvent e) {

    }


}

class AddTaskFrame_btnStart_actionAdapter implements ActionListener {
    private AddTaskFrame adaptee;
    AddTaskFrame_btnStart_actionAdapter(AddTaskFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.btnStart_actionPerformed(e);
    }
}


class AddTaskFrame_btnFile_actionAdapter implements ActionListener {
    private AddTaskFrame adaptee;
    AddTaskFrame_btnFile_actionAdapter(AddTaskFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.btnFile_actionPerformed(e);
    }
}