swing 中的JList的增加和删除

package  list.demolist;

import  java.awt.BorderLayout;
import  java.awt.Dimension;

import  javax.swing.JFrame;
import  javax.swing.JPanel;
import  java.awt. * ;
import  javax.swing.JLabel;
import  javax.swing.JList;
import  javax.swing.JButton;
import  javax.swing.DefaultListModel;
import  java.awt.event.MouseEvent;
import  java.awt.event.MouseAdapter;
import  java.awt.event.ActionEvent;
import  java.awt.event.ActionListener;

public   class  Frame1  extends  JFrame  ... {
    JPanel contentPane;
    String str;
    DefaultListModel dlm = new DefaultListModel();
    DefaultListModel dlm1 = new DefaultListModel();
    JLabel lblMsg1 = new JLabel();
    JLabel lblMsg2 = new JLabel();
    JList listNo1 = new JList(dlm);
    JList listNo2 = new JList(dlm1);
    JButton btnInsert = new JButton();
    JButton btnInsertAll = new JButton();
    JButton btnDelete = new JButton();
    JButton btnRemoveAll = new JButton();
    public Frame1() ...{
        try ...{
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) ...{
            exception.printStackTrace();
        }
    }

    /** *//**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception ...{
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(544, 378));
        setTitle("Frame Title");
        lblMsg1.setText("第一个列表");
        lblMsg1.setBounds(new Rectangle(20, 40, 135, 37));
        lblMsg2.setText("第二个列表");
        lblMsg2.setBounds(new Rectangle(269, 41, 232, 35));
        listNo1.setBounds(new Rectangle(11, 76, 167, 248));
        listNo1.addMouseListener(new Frame1_listNo1_mouseAdapter(this));
        listNo2.setBounds(new Rectangle(306, 76, 197, 250));
        listNo2.addMouseListener(new Frame1_listNo2_mouseAdapter(this));
        btnInsert.setBounds(new Rectangle(188, 89, 111, 37));
        btnInsert.setText("增加>");
        btnInsert.addActionListener(new Frame1_btnInsert_actionAdapter(this));
        btnInsertAll.setBounds(new Rectangle(188, 141, 112, 39));
        btnInsertAll.setText("增加>>");
        btnInsertAll.addActionListener(new Frame1_btnInsertAll_actionAdapter(this));
        btnDelete.setBounds(new Rectangle(187, 219, 115, 40));
        btnDelete.setText("<删除");
        btnDelete.addActionListener(new Frame1_btnDelete_actionAdapter(this));
        btnRemoveAll.setBounds(new Rectangle(189, 276, 114, 41));
        btnRemoveAll.setText("<<删除");
        btnRemoveAll.addActionListener(new Frame1_btnRemoveAll_actionAdapter(this));
        dlm.addElement("数学");
        dlm.addElement("语文");
        dlm.addElement("英语");
        dlm.addElement("地理");
        contentPane.add(lblMsg1);
        contentPane.add(lblMsg2);
        contentPane.add(listNo1);
        contentPane.add(listNo2);
        contentPane.add(btnInsert);
        contentPane.add(btnInsertAll);
        contentPane.add(btnDelete);
        contentPane.add(btnRemoveAll);
    }

    public void listNo1_mouseClicked(MouseEvent e) ...{
        str = (String)listNo1.getSelectedValue();//获得用户选中的那个值
    }

    public void btnInsert_actionPerformed(ActionEvent e) ...{
        dlm1.addElement(str);//将用户选中的值添加到第二个列表中
    }

    public void btnInsertAll_actionPerformed(ActionEvent e) ...{
        for(int i =0;i<listNo1.getModel().getSize();i++)...{//得到第一个列表所有的值
            dlm1.addElement(listNo1.getModel().getElementAt(i));//将第一个列表添加到第二个列表中
        }
    }

    public void btnDelete_actionPerformed(ActionEvent e) ...{
      dlm1.removeElement(str);//删除第二个列表中用户选中的值
    }

    public void listNo2_mouseClicked(MouseEvent e) ...{
        str  =(String )listNo2.getSelectedValue();//得到第二个列表中用户选中的值

    }

    public void btnRemoveAll_actionPerformed(ActionEvent e) ...{
       dlm1.removeAllElements();
    }
}


class  Frame1_btnRemoveAll_actionAdapter  implements  ActionListener  ... {
    private Frame1 adaptee;
    Frame1_btnRemoveAll_actionAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

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


class  Frame1_listNo2_mouseAdapter  extends  MouseAdapter  ... {
    private Frame1 adaptee;
    Frame1_listNo2_mouseAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

    public void mouseClicked(MouseEvent e) ...{
        adaptee.listNo2_mouseClicked(e);
    }
}


class  Frame1_btnDelete_actionAdapter  implements  ActionListener  ... {
    private Frame1 adaptee;
    Frame1_btnDelete_actionAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) ...{

        adaptee.btnDelete_actionPerformed(e);
    }
}


class  Frame1_btnInsertAll_actionAdapter  implements  ActionListener  ... {
    private Frame1 adaptee;
    Frame1_btnInsertAll_actionAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

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


class  Frame1_btnInsert_actionAdapter  implements  ActionListener  ... {
    private Frame1 adaptee;
    Frame1_btnInsert_actionAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

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


class  Frame1_listNo1_mouseAdapter  extends  MouseAdapter  ... {
    private Frame1 adaptee;
    Frame1_listNo1_mouseAdapter(Frame1 adaptee) ...{
        this.adaptee = adaptee;
    }

    public void mouseClicked(MouseEvent e) ...{
        adaptee.listNo1_mouseClicked(e);
    }
}