这个是表现层的主界面。

/*

 * ListPanel.java

 *

 */

package cn.hncu.addr.ui;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JOptionPane;

import cn.hncu.addr.business.AddrBusiness;

/**

 *

 * @author __chx__

 */

public class ListPanel extends javax.swing.JPanel {

    /** Creates new form ListPanel */

    private JFrame mainFrame = null;

    private JLabel jlbFindAddress = new javax.swing.JLabel();

    public ListPanel(JFrame mainFrame) {

        this.mainFrame = mainFrame;

        initComponents();

        myInitData();

    }

    public ListPanel(JFrame mainFrame, Object[] objs) {

        this.mainFrame = mainFrame;

        initComponents();

        jListAddress.setListData(objs);

        jlbFindAddress

                .setText("\u67e5\u627e\u5230\u7684\u5730\u5740\u4fe1\u606f\uff1a");

        add(jlbFindAddress);

        jlbFindAddress.setBounds(40, 50, 125, 17);

    }

    private void myInitData() {

        AddrBusiness set = new AddrBusiness();

        Object obj[] = set.getAll();

        jListAddress.setListData(obj);

    }

    /**

     * 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 JList<String> getListAddress() {

        return jListAddress;

    }

    private void initComponents() {

        jLabelApp = new javax.swing.JLabel();

        jbtnAdd = new javax.swing.JButton();

        jbtnChange = new javax.swing.JButton();

        jbtnDelete = new javax.swing.JButton();

        jbtnFind = new javax.swing.JButton();

        jScrollPane1 = new javax.swing.JScrollPane();

        jListAddress = new javax.swing.JList();

        jLabel1 = new javax.swing.JLabel();

        jToggleButton1 = new javax.swing.JToggleButton();

        setPreferredSize(new java.awt.Dimension(800, 600));

        setLayout(null);

        jLabelApp.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 36));

        jLabelApp.setForeground(new java.awt.Color(255, 0, 0));

        jLabelApp.setText("    \u5730\u5740\u4fe1\u606fApp");

        add(jLabelApp);

        jLabelApp.setBounds(240, 20, 263, 47);

        jbtnAdd.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 14));

        jbtnAdd.setForeground(new java.awt.Color(102, 102, 255));

        jbtnAdd.setText("\u6dfb\u52a0\u5730\u5740");

        jbtnAdd.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                jbtnAddActionPerformed(evt);

            }

        });

        add(jbtnAdd);

        jbtnAdd.setBounds(120, 360, 120, 60);

        jbtnChange.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 14));

        jbtnChange.setForeground(new java.awt.Color(102, 102, 255));

        jbtnChange.setText("\u4fee\u6539\u5730\u5740");

        jbtnChange.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                jbtnChangeActionPerformed(evt);

            }

        });

        add(jbtnChange);

        jbtnChange.setBounds(120, 460, 120, 60);

        jbtnDelete.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 14));

        jbtnDelete.setForeground(new java.awt.Color(102, 102, 255));

        jbtnDelete.setText("\u5220\u9664\u5730\u5740");

        jbtnDelete.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                jbtnDeleteActionPerformed(evt);

            }

        });

        add(jbtnDelete);

        jbtnDelete.setBounds(470, 460, 120, 60);

        jbtnFind.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 14));

        jbtnFind.setForeground(new java.awt.Color(102, 102, 255));

        jbtnFind.setText("\u67e5\u627e\u5730\u5740");

        jbtnFind.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                jbtnFindActionPerformed(evt);

            }

        });

        add(jbtnFind);

        jbtnFind.setBounds(470, 360, 120, 60);

        jListAddress.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 14));

        jListAddress.setModel(new javax.swing.AbstractListModel() {

            String[] strings = { "" };

            public int getSize() {

                return strings.length;

            }

            public Object getElementAt(int i) {

                return strings[i];

            }

        });

        jScrollPane1.setViewportView(jListAddress);

        add(jScrollPane1);

        jScrollPane1.setBounds(40, 70, 700, 270);

        jLabel1.setText(" \u9648\u6d69\u7fd4");

        add(jLabel1);

        jLabel1.setBounds(700, 510, 60, 17);

        jToggleButton1.setText("\u9000\u51fa");

        jToggleButton1.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                jToggleButton1ActionPerformed(evt);

            }

        });

        add(jToggleButton1);

        jToggleButton1.setBounds(680, 410, 80, 50);

    }

    private void jToggleButton1ActionPerformed(java.awt.event.ActionEvent evt) {

        System.exit(0);

    }

    private void jbtnFindActionPerformed(java.awt.event.ActionEvent evt) {

        mainFrame.setContentPane(new QueryPanel(mainFrame));

        mainFrame.validate();

    }

    private void jbtnDeleteActionPerformed(java.awt.event.ActionEvent evt) {

        if (jListAddress.getSelectedValue() == null) {

            JOptionPane.showMessageDialog(this, "未选中地址！无法删除，请重新选择！");

        } else {

            mainFrame.setContentPane(new DeletePanel(mainFrame,

                    (String) jListAddress.getSelectedValue()));

            mainFrame.validate();

        }

    }

    private void jbtnChangeActionPerformed(java.awt.event.ActionEvent evt) {

        if (jListAddress.getSelectedValue() == null) {

            JOptionPane.showMessageDialog(this, "未选中地址！无法修改，请重新选择！");

        } else {

            mainFrame.setContentPane(new UpdatePanel(mainFrame,

                    (String) jListAddress.getSelectedValue()));

            mainFrame.validate();

        }

    }

    private void jbtnAddActionPerformed(java.awt.event.ActionEvent evt) {

        // System.out.println("aaa");

        mainFrame.setContentPane(new AddPanel(mainFrame));

        mainFrame.revalidate();

    }

    private javax.swing.JLabel jLabel1;

    private javax.swing.JLabel jLabelApp;

    private javax.swing.JList jListAddress;

    private javax.swing.JScrollPane jScrollPane1;

    private javax.swing.JToggleButton jToggleButton1;

    private javax.swing.JButton jbtnAdd;

    private javax.swing.JButton jbtnChange;

    private javax.swing.JButton jbtnDelete;

    private javax.swing.JButton jbtnFind;

}