学生管理系统之Java+Mysql

主页面：

代码如下：
package appstu.view;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JToolBar;

import appstu.util.MenuBarEvent;

/**
* @author 作者 志:
* @version 创建时间：2019年5月19日 下午21:08:30
*/
public class AppMain extends JFrame {
/**
*
*/
private static final long serialVersionUID = -8348833890456775157L;
JPanel contentPane;
BorderLayout borderLayout1 = new BorderLayout();
JDesktopPane desktop = new javax.swing.JDesktopPane();
MenuBarEvent _MenuBarEvent = new MenuBarEvent(); // 自定义事件类处理
JMenuBar jMenuBarMain = new JMenuBar(); // 定义界面中的主菜单控件
JToolBar jToolBarMain = new JToolBar(); // 定义界面中的工具栏控件

public AppMain() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
BuildMenuBar();
BuildToolBar();
jbInit();
loadBackgroundImage();
} catch (Exception exception) {
exception.printStackTrace();
}
}

/**
* Component initialization.
*
* @throws java.lang.Exception
*/
private void jbInit() throws Exception {
jToolBarMain.setFloatable(false);
this.setJMenuBar(jMenuBarMain);
contentPane = (JPanel) getContentPane();
contentPane.setLayout(borderLayout1);
setSize(new Dimension(800, 640));
setTitle("学生成绩管理系统");
contentPane.add(desktop, java.awt.BorderLayout.CENTER);
contentPane.add(jToolBarMain, java.awt.BorderLayout.NORTH);
_MenuBarEvent.setDeskTop(desktop);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
setVisible(true);

}

protected void loadBackgroundImage() {
ImageIcon icon = new ImageIcon(this.getClass().getResource("/wsy/main.jpg"));
JLabel jl = new JLabel(icon);
jl.setBounds(0, 0, icon.getIconWidth(), icon.getIconHeight());

desktop.add(jl, new Integer(Integer.MIN_VALUE));
}

private void BuildMenuBar() {
JMenu[] _jMenu = { new JMenu("【参数设置】"), new JMenu("【基本信息】"), new JMenu("【系统查询】"), new JMenu("【系统管理】") };
JMenuItem[] _jMenuItem0 = { new JMenuItem("【年级设置】"), new JMenuItem("【班级设置】"), new JMenuItem("【考试科目】"), new JMenuItem("【考试类别】") };
String[] _jMenuItem0Name = { "sys_grade", "sys_class", "sys_subject", "sys_examkinds" };
JMenuItem[] _jMenuItem1 = { new JMenuItem("【学生信息】"), new JMenuItem("【教师信息】"), new JMenuItem("【考试成绩】") };
String[] _jMenuItem1Name = { "JF_view_student", "JF_view_teacher", "JF_view_gradesub" };
JMenuItem[] _jMenuItem2 = { new JMenuItem("【基本信息】"), new JMenuItem("【成绩信息】"), new JMenuItem("【汇总查询】") };
String[] _jMenuItem2Name = { "JF_view_query_jbqk", "JF_view_query_grade_mx", "JF_view_query_grade_hz" };
JMenuItem[] _jMenuItem3 = { new JMenuItem("【用户维护】"), new JMenuItem("【系统退出】") };
String[] _jMenuItem3Name = { "sys_user_modify", "JB_EXIT" };
Font _MenuItemFont = new Font("宋体", 0, 12);
for (int i = 0; i < _jMenu.length; i++) {
_jMenu[i].setFont(_MenuItemFont);
jMenuBarMain.add(_jMenu[i]);
}
for (int j = 0; j < _jMenuItem0.length; j++) {
_jMenuItem0[j].setFont(_MenuItemFont);
final String EventName1 = _jMenuItem0Name[j];
_jMenuItem0[j].addActionListener(_MenuBarEvent);
_jMenuItem0[j].addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
_MenuBarEvent.setEventName(EventName1);
}
});
_jMenu[0].add(_jMenuItem0[j]);
if (j == 1) {
_jMenu[0].addSeparator();
}
}
for (int j = 0; j < _jMenuItem1.length; j++) {
_jMenuItem1[j].setFont(_MenuItemFont);
final String EventName1 = _jMenuItem1Name[j];
_jMenuItem1[j].addActionListener(_MenuBarEvent);
_jMenuItem1[j].addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
_MenuBarEvent.setEventName(EventName1);
}
});
_jMenu[1].add(_jMenuItem1[j]);
if (j == 1) {
_jMenu[1].addSeparator();
}
}
for (int j = 0; j < _jMenuItem2.length; j++) {
_jMenuItem2[j].setFont(_MenuItemFont);
final String EventName2 = _jMenuItem2Name[j];
_jMenuItem2[j].addActionListener(_MenuBarEvent);
_jMenuItem2[j].addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
_MenuBarEvent.setEventName(EventName2);
}
});
_jMenu[2].add(_jMenuItem2[j]);
if ((j == 0)) {
_jMenu[2].addSeparator();
}
}
for (int j = 0; j < _jMenuItem3.length; j++) {
_jMenuItem3[j].setFont(_MenuItemFont);
final String EventName3 = _jMenuItem3Name[j];
_jMenuItem3[j].addActionListener(_MenuBarEvent);
_jMenuItem3[j].addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
_MenuBarEvent.setEventName(EventName3);
}
});
_jMenu[3].add(_jMenuItem3[j]);
if (j == 0) {
_jMenu[3].addSeparator();
}
}
}

private void BuildToolBar() {
String ImageName[] = { "1.GIF", "2.GIF", "3.GIF", "4.GIF", "5.GIF", "6.GIF", "7.GIF", "8.GIF" };
String TipString[] = { "成绩科目设置", "学生班级设置", "添加学生", "录入考试成绩", "基本信息查询", "考试成绩明细查询", "年级成绩汇总", "系统退出" };
String ComandString[] = { "sys_subject", "sys_class", "JF_view_student", "JF_view_gradesub", "JF_view_query_jbqk", "JF_view_query_grade_mx",
"JF_view_query_grade_hz", "JB_EXIT" };
for (int i = 0; i < ComandString.length; i++) {
JButton jb = new JButton();
ImageIcon image = new ImageIcon(this.getClass().getResource("/wsy/" + ImageName[i]));
jb.setIcon(image);
jb.setToolTipText(TipString[i]);
jb.setActionCommand(ComandString[i]);
jb.addActionListener(_MenuBarEvent);
jToolBarMain.add(jb);
}
}
}