Java语言做的投票管理系统

package com.frame; import java.awt.*; import java.awt.event.*; import javax.swing.*; import com.theme.frame.*; import com.user.User; import com.user.frame.*; public class MainFrame extends JFrame implements ActionListener { /** * 声明各种组件 */ private static final long serialVersionUID = 1L; JPanel panel1; public Container c; JMenuBar menuB; JMenu systemMenu, userMGRMenu, themeMGRMenu, themeMenu, userModifyMenu, helpMenu; JMenuItem userLoginMenuItem, userAddMenuItem, userModifyMenuItem, userDeleteMenuItem, userScanMenuItem, exitMenuItem, themeAddMenuItem, themeMidifyMenuItem, themeDeleteMenuItem, themeScanMenuItem, themeSeekMenuItem, userDataMenuItem, userPswModifyMenuItem, aboutMenuItem; private User currentUser; public User getCurrentUser() { return currentUser; } /** * 得到当前用户User对象 * @param currentUser */ public void setCurrentUser(User currentUser) { this.currentUser = currentUser; } /** * 创建各种组件 */ public MainFrame() { super("投票管理系统"); //--系统管理菜单-- menuB = new JMenuBar(); systemMenu = new JMenu(" 系统管理 S"); systemMenu.setMnemonic('S'); userMGRMenu = new JMenu("用户管理"); userLoginMenuItem = new JMenuItem("用户登录"); userLoginMenuItem.setMnemonic('L'); userAddMenuItem = new JMenuItem("添加用户"); userModifyMenuItem = new JMenuItem("修改用户"); userDeleteMenuItem = new JMenuItem("删除用户"); userScanMenuItem = new JMenuItem("用户列表"); exitMenuItem = new JMenuItem("退出"); themeMGRMenu = new JMenu("主题管理"); themeAddMenuItem = new JMenuItem("增加主题"); themeMidifyMenuItem = new JMenuItem("修改主题"); themeDeleteMenuItem = new JMenuItem("删除主题"); systemMenu.add(userLoginMenuItem); userMGRMenu.add(userAddMenuItem); userMGRMenu.add(userModifyMenuItem); userMGRMenu.add(userDeleteMenuItem); userMGRMenu.add(userScanMenuItem); systemMenu.add(userMGRMenu); themeMGRMenu.add(themeAddMenuItem); themeMGRMenu.add(themeMidifyMenuItem); themeMGRMenu.add(themeDeleteMenuItem); systemMenu.add(themeMGRMenu); systemMenu.add(exitMenuItem); userLoginMenuItem.addActionListener(this); userAddMenuItem.addActionListener(this); userModifyMenuItem.addActionListener(this); userDeleteMenuItem.addActionListener(this); userScanMenuItem.addActionListener(this); themeAddMenuItem.addActionListener(this); themeMidifyMenuItem.addActionListener(this); themeDeleteMenuItem.addActionListener(this); exitMenuItem.addActionListener(this); //--主题菜单-- themeMenu = new JMenu(" 主题功能T "); themeMenu.setMnemonic('T'); themeScanMenuItem = new JMenuItem("主题浏览"); themeSeekMenuItem = new JMenuItem("主题搜索"); themeMenu.add(themeScanMenuItem); themeMenu.add(themeSeekMenuItem); themeScanMenuItem.addActionListener(this); themeSeekMenuItem.addActionListener(this); //--个人信息菜单-- userModifyMenu = new JMenu("个人信息"); userDataMenuItem = new JMenuItem("个人资料"); userPswModifyMenuItem = new JMenuItem("密码修改"); userModifyMenu.add(userDataMenuItem); userModifyMenu.add(userPswModifyMenuItem); userDataMenuItem.addActionListener(this); userPswModifyMenuItem.addActionListener(this); //--帮助菜单-- helpMenu = new JMenu(" 帮助 "); aboutMenuItem = new JMenuItem(" 关于 "); helpMenu.add(aboutMenuItem); aboutMenuItem.addActionListener(this); menuB.add(systemMenu); menuB.add(themeMenu); menuB.add(userModifyMenu); menuB.add(helpMenu); setJMenuBar(menuB); c = getContentPane(); c.setLayout(new BorderLayout()); //--初始功能-- userMGRMenu.setEnabled(false); themeMGRMenu.setEnabled(false); themeMenu.setEnabled(false); userModifyMenu.setEnabled(false); helpMenu.setEnabled(false); // userMGRMenu.setEnabled(true); // themeMGRMenu.setEnabled(true); // themeMenu.setEnabled(true); // userModifyMenu.setEnabled(true); // helpMenu.setEnabled(true); } /** * 按钮响应事件 */ public void actionPerformed(ActionEvent e) { if (e.getActionCommand().trim().equals("用户登录") ) { LoginPanel UserLoginFrame = new LoginPanel(this);//创建用例类实例对象 getFrame(UserLoginFrame); } else if(e.getActionCommand().trim().equals("添加用户")) { UseAddrFrame addUserFrame = new UseAddrFrame(this); getFrame(addUserFrame); addUserFrame.setSize(350,200); } else if(e.getActionCommand().trim().equals("修改用户")) { UserModifyFrame userModifyFrame = new UserModifyFrame(this); getFrame(userModifyFrame); userModifyFrame.setSize(350,200); } else if(e.getActionCommand().trim().equals("删除用户")) { UserDeleteFrame userDeleteFrame = new UserDeleteFrame(this);//创建用例类实例对象 getFrame(userDeleteFrame); userDeleteFrame.setSize(350, 200); } else if(e.getActionCommand().trim().equals("用户列表")) { new UserListPanel(this); } else if(e.getActionCommand().trim().equals("增加主题")) { ThemeAddFrame themeAddFrame = new ThemeAddFrame(this);//创建用例类实例对象 getFrame(themeAddFrame); themeAddFrame.setSize(350, 200); } else if(e.getActionCommand().trim().equals("修改主题")) { ThemeModifyFrame themeModifyFrame = new ThemeModifyFrame(this);//创建用例类实例对象 getFrame(themeModifyFrame); } else if(e.getActionCommand().trim().equals("删除主题")) { ThemeDeleteFrame themeDeleteFrame = new ThemeDeleteFrame(this);//创建用例类实例对象 getFrame(themeDeleteFrame); } else if(e.getActionCommand().trim().equals("退出")) { this.dispose(); System.exit(0); } else if(e.getActionCommand().trim().equals("主题浏览")) { new ThemeListPanel(this); } else if(e.getActionCommand().trim().equals("主题搜索")) { ThemeScanPanel themeScanPanel= new ThemeScanPanel(this); getFrame(themeScanPanel); } else if(e.getActionCommand().trim().equals("个人资料")) { UserInfoFrame userInfo= new UserInfoFrame(this); getFrame(userInfo); } else if(e.getActionCommand().trim().equals("密码修改")) { PasswordModifyFrame passwordModifyFrame= new PasswordModifyFrame(this); getFrame(passwordModifyFrame); } else if (e.getActionCommand().trim().equals("关于")) { this.setAlwaysOnTop(false); this.setEnabled(false); String str = " 本程序为投票管理系统"+"\n"+"界面开发设计者：谢伟斌" + "\n" + "数据库维护人员：吴宏方"; JOptionPane.showMessageDialog(null, str, "关于", JOptionPane.INFORMATION_MESSAGE); this.setAlwaysOnTop(true); this.setEnabled(true); } } public void getFrame(Object object) { Dimension FrameSize = ((Container) object).getPreferredSize();//子窗口大小 Dimension MainFrameSize = getSize();//主窗口大小 Point loc = getLocation();//主窗口位置 ((Component) object).setLocation( (MainFrameSize.width - FrameSize.width) / 2 + loc.x, (MainFrameSize.height - FrameSize.height) / 2 + loc.y);//设置子窗口的位置位于主窗口的中央 ((Window) object).pack(); ((Frame) object).setResizable(false); ((Window) object).setVisible(true); ((Window) object).setAlwaysOnTop(true); this.setAlwaysOnTop(false)