mainframe.java

掌握 JDBC 驱动程序的加载方法和JDBC-ODBC桥URL的形式； 掌握使用JDBC连接数据库的步骤； 掌握使用JDBC发送SQL语句的基本步骤； 掌握使用JDBC处理SQL查询结果集

package cn.edu.csu.oo.gui.project.view.frame;

import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTabbedPane;
import javax.swing.JToolBar;
import javax.swing.JTree;
import javax.swing.KeyStroke;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.tree.DefaultMutableTreeNode;

import cn.edu.csu.oo.gui.project.view.panel.StudentFindPanel;
import cn.edu.csu.oo.gui.project.view.panel.StudentModifyPanel;
import cn.edu.csu.oo.gui.project.view.panel.StudentRegistPanel;
import cn.edu.csu.oo.gui.project.view.viewaction.BtnActionOper;
import cn.edu.csu.oo.gui.project.view.viewaction.TreeAction;

public class MainFrame extends JFrame {

  /**
   * 定义菜单栏
   */
  private JMenuBar menuBar;

  private JTree tree;

  /**
   * 定义工具栏
   */
  private JToolBar toolBar;

  private JSplitPane splitPane;

  private ActionListener actionListener;

  public JTabbedPane tab;

  public MainFrame() {
    super("教务管理系统主界面");
    // 加载菜单到主界面
    this.setJMenuBar(buildMenuBar());
    this.add(buildToolBar(), "North");
    this.add(buildSplitPane());
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    this.setSize((int) screenSize.getWidth(), (int) screenSize.getHeight());
    this.setVisible(true);
    this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    this.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        int ch = JOptionPane.showConfirmDialog(MainFrame.this, "你确定要退出程序吗",
            "关闭窗体", JOptionPane.YES_NO_OPTION);
        if (ch == JOptionPane.YES_OPTION) {
          System.exit(0);
        }
      }
    });

    // 主窗体居中显示
    CenterContainer.centerContainer(this);
  }

  /**
   * 构造一个splitpane，将容器剩下部分风格承左右两个面板panel
   * 
   * @return
   */
  public JSplitPane buildSplitPane() {
    splitPane = new JSplitPane();
    // 设置左边面板上加载的组件(scrollpane)
    splitPane.setLeftComponent(buildJScrollPane());
    // 设置右边面板上加载的组件(tabbedpane)
    splitPane.setRightComponent(buildTabbedPane());
    return splitPane;
  }

  public JScrollPane buildJScrollPane() {
    JScrollPane scrollPane = new JScrollPane(buildJTree());
    return scrollPane;
  }

  public JTree buildJTree() {
    if (tree == null) {
      //树的根节点
      DefaultMutableTreeNode root = new DefaultMutableTreeNode("教务信息管理");
      //学生管理根节点
      DefaultMutableTreeNode studentRoot = new DefaultMutableTreeNode("学生信息管理");
      DefaultMutableTreeNode studentRegist = new DefaultMutableTreeNode(
          "学生信息注册");
      DefaultMutableTreeNode studentFind = new DefaultMutableTreeNode("学生信息查询");
      DefaultMutableTreeNode studentModify = new DefaultMutableTreeNode(
          "学生信息维护");
      //老师管理根节点
      DefaultMutableTreeNode teacherRoot = new DefaultMutableTreeNode("老师信息管理");
      DefaultMutableTreeNode teacherRegist = new DefaultMutableTreeNode(
          "老师信息注册");
      DefaultMutableTreeNode teacherFind = new DefaultMutableTreeNode("老师信息查询");
      DefaultMutableTreeNode teacherModify = new DefaultMutableTreeNode(
          "老师信息维护");
      studentRoot.add(studentRegist);
      studentRoot.add(studentFind);
      studentRoot.add(studentModify);

      teacherRoot.add(teacherRegist);
      teacherRoot.add(teacherFind);
      teacherRoot.add(teacherModify);

      root.add(studentRoot);
      root.add(teacherRoot);
      //根据根节点构造jtree对象
      tree = new JTree(root);
    }
    //给树添加事件处理功能
    tree.addTreeSelectionListener(new TreeAction(this));
    return tree;
  }

  /**
   * 构造tabbedpane对象
   * 
   * @return
   */
  public JTabbedPane buildTabbedPane() {
    if (tab == null) {
      tab = new JTabbedPane();
      // 将学生注册面板添加到tabbedpane中
      tab.addTab("学生信息注册", new StudentRegistPanel());
      tab.addTab("学生信息查询", new StudentFindPanel());
      tab.addTab("学生信息维护", new StudentModifyPanel());
    }
    return tab;
  }

  public JPanel buildPane(String name) {
    JPanel panel = new JPanel();
    return panel;
  }

  /**
   * 根据传入的菜单项名和快捷键构造相应的学生菜单项
   * 
   * @param name
   * @param mnemonic
   * @return
   */
  private JMenuItem buildStudentMenuItem(String name, char mnemonic) {
    JMenuItem menuItem = new JMenuItem(name);
    // 设置快捷键字符
    menuItem.setMnemonic(mnemonic);
    // 设置快捷键组合操作方式(CTRL+SHIFT+字符)
    menuItem.setAccelerator(KeyStroke.getKeyStroke(mnemonic,
        java.awt.Event.CTRL_MASK | java.awt.Event.SHIFT_MASK, false));
    actionListener = new BtnActionOper(this);
    menuItem.addActionListener(actionListener);
    return menuItem;
  }

  /**
   * 根据传入的菜单项名和快捷键构造相应的老师菜单项
   * 
   * @param name
   * @param mnemonic
   * @return
   */
  private JMenuItem buildTeacherMenuItem(String name, char mnemonic) {
    JMenuItem menuItem = new JMenuItem(name);
    // 设置快捷键字符
    menuItem.setMnemonic(mnemonic);
    // 设置快捷键组合操作方式(ALT+SHIFT+字符)
    menuItem.setAccelerator(KeyStroke.getKeyStroke(mnemonic,
        java.awt.Event.ALT_MASK | java.awt.Event.SHIFT_MASK, false));
    return menuItem;
  }

  /**
   * 根据传入的菜单名和快捷键构造学生信息操作菜单
   * 
   * @param name
   * @param mnemonic
   * @return
   */
  private JMenu buildStudentMenu(String name) {
    JMenu menu = new JMenu(name);
    menu.add(buildStudentMenuItem("学生信息注册", 'N'));
    // 添加分割条
    menu.addSeparator();
    menu.add(buildStudentMenuItem("学生信息查询", 'F'));
    menu.addSeparator();
    menu.add(buildStudentMenuItem("学生信息维护", 'M'));
    return menu;
  }

  /**
   * 根据传入的菜单名和快捷键构造老师信息操作菜单
   * 
   * @param name
   * @param mnemonic
   * @return
   */
  private JMenu buildTeacherMenu(String name) {
    JMenu menu = new JMenu(name);
    menu.add(buildTeacherMenuItem("老师信息注册", 'N'));
    // 添加分割条
    menu.addSeparator();
    menu.add(buildTeacherMenuItem("老师信息查询", 'F'));
    menu.addSeparator();
    menu.add(buildTeacherMenuItem("老师信息维护", 'M'));
    return menu;
  }

  /**
   * 构造菜单栏
   * 
   * @return
   */
  public JMenuBar buildMenuBar() {
    menuBar = new JMenuBar();
    menuBar.add(buildStudentMenu("学生信息管理"));
    menuBar.add(buildTeacherMenu("老师信息管理"));
    return menuBar;
  }

  public JToolBar buildToolBar() {
    toolBar = new JToolBar();
    toolBar.add(buildToolBtn("学生信息注册", "icons/justify24.gif"));
    toolBar.add(buildToolBtn("学生信息查询", "icons/import24.gif"));
    toolBar.add(buildToolBtn("学生信息维护", "icons/export24.gif"));
    toolBar.add(buildToolBtn("老师信息注册", "icons/left24.gif"));
    toolBar.add(buildToolBtn("老师信息查询", "icons/paste24.gif"));
    toolBar.add(buildToolBtn("老师信息维护", "icons/right24.gif"));
    toolBar.add(buildToolBtn("退出系统", "icons/exit24.gif"));
    return toolBar;
  }

  /**
   * 构造按钮
   * 
   * @param name
   * @param icons
   * @return
   */
  public JButton buildToolBtn(String name, String icons) {
    JButton btn = new JButton(name);
    btn.setIcon(new ImageIcon(icons));
    actionListener = new BtnActionOper(this);
    btn.setToolTipText(name);
    btn.addActionListener(actionListener);
    return btn;
  }

  /**
   * @param args
   */
  public static void main(String[] args) {
    try {
      // UIManager.setLookAndFeel("com.nilo.plaf.nimrod.NimRODLookAndFeel");
      UIManager.setLookAndFeel("com.birosoft.liquid.LiquidLookAndFeel");
    } catch (InstantiationException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
    } catch (IllegalAccessException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
    } catch (UnsupportedLookAndFeelException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
    } catch (ClassNotFoundException e) {

    }
    new MainFrame();
  }
}