java学生管理系统源码(6)

JOptionPane.showMessageDialog(Login.this, \学号不存在!\);

} catch (PasswordNotCorrectException e1) {

JOptionPane.showMessageDialog(Login.this, \密码错误!\);

} } } });

jbLogin.setLocation(100, 200); jbLogin.setSize(80, 30); add(jbLogin);

jbCancel.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } });

jbCancel.setLocation(200, 200); jbCancel.setSize(80, 30); add(jbCancel); }

public static void main(String[] args) { try {

// 设置和win7的布局一样

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

} catch (ClassNotFoundException e) { e.printStackTrace();

} catch (InstantiationException e) { e.printStackTrace();

} catch (IllegalAccessException e) { e.printStackTrace();

} catch (UnsupportedLookAndFeelException e) { e.printStackTrace(); }

new Login().setVisible(true); } }

com.ccniit.student.view.StduentGrade类

说明：此类是显示层的学生成绩界面，有菜单栏、内容窗口、功能按钮，此界面的功能是查询登录学生的成绩，查询学生的个人详细信息，修改个人信息，修改密码等功能。还新创建了一个线程来读取学生的成绩和信息，此线程是一个内部类，有一个修改密码的小窗口是一个内部类继承了JDialog，修改信息的内部类小窗口继承了JDialog。学生还可以上传自己的照片，修改自己上传的照片，上传后学生就能看到自己的照片，但是学生不能修改自己的班级和入学时间，这两项老师可以修改。部分界面如下图所示：

package com.ccniit.student.view;

import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File;

import java.io.FileNotFoundException; import java.io.IOException; import java.util.ArrayList; import java.util.List;

import javax.swing.ButtonGroup; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel;

import javax.swing.JPasswordField; import javax.swing.JRadioButton; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JTextArea; import javax.swing.JTextField;

import com.ccniit.student.Grade; import com.ccniit.student.Student;

import com.ccniit.student.manage.GradeManage; import com.ccniit.student.manage.StudentManage;

public class StudentGrade extends JFrame { private Student student;

private List grades = new ArrayList(); private boolean isUpdateGradeble;

public static String imagePath = \; // 相对路径

// 菜单相关组件

private JMenuBar jmb = new JMenuBar(); // 菜单条 private JMenu jmFile = new JMenu(\文件 \); private JMenuItem jmiExit = new JMenuItem(\退出\); private JMenu jmQuery = new JMenu(\查询 \);

private JMenuItem jmiQueryGrade = new JMenuItem(\成绩查询\); private JMenuItem jmiQueryInfo = new JMenuItem(\信息查询...\); private JMenu jmUpdate = new JMenu(\修改 \);

private JMenuItem jmiUpdateInfo = new JMenuItem(\修改信息...\); private JMenuItem jmiUpdatePassword = new JMenuItem(\修改密码...\); private JMenu jmHelp = new JMenu(\帮助 \);

private JMenuItem jmiHelp = new JMenuItem(\帮助...\); private JMenuItem jmiAbout = new JMenuItem(\关于...\);

// 成绩信息显示相关组件

private JLabel jlWelcome; // 显示欢迎的标签 private Font font = new Font(\楷体\, 0, 17); private JTable table; // 成绩信息表

private JPanel jpCenter = new JPanel(new GridLayout(2, 1)); private JScrollPane jsp;

private UpdatePassword updatePassword; private UpdateInfo updateInfo;

// 下面部分的相关组件

private JPanel jpDown = new JPanel(

new FlowLayout(FlowLayout.CENTER, 20, 20)); // 下面部分的JPanel

private JButton jbQueryGrade = new JButton(\成绩查询\); private JButton jbQueryInfo = new JButton(\信息查询\); private JButton jbUpdateInfo = new JButton(\修改信息\);

private JButton jbUpdatePassword = new JButton(\修改密码\); private JButton jbExit = new JButton(\退出 \);

public StudentGrade(Student student, boolean isUpdateGradeble) { this.student = student;

this.isUpdateGradeble = isUpdateGradeble; setTitle(\学生管理系统0.0.4-学生界面\);

}

setSize(800, 600);

setLocationRelativeTo(null); if (!isUpdateGradeble)

setDefaultCloseOperation(EXIT_ON_CLOSE);

new Thread(new LoadThread()).start(); // 开始读取学生成绩的线程 init();

private void init() { // 查询学生成绩

jmiQueryGrade.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { queryGrade(e); } });

jmQuery.add(jmiQueryGrade);

jmiQueryInfo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { queryInfo(e); } });

jmQuery.add(jmiQueryInfo);

jmiUpdateInfo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { updateInfo(e); } });

jmUpdate.add(jmiUpdateInfo);

jmiUpdatePassword.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { updatePassword(e); } });

jmUpdate.add(jmiUpdatePassword);

jmiExit.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if (isUpdateGradeble) setVisible(false); else

System.exit(0);

} });

jmFile.add(jmiExit); jmb.add(jmFile); jmb.add(jmQuery); jmb.add(jmUpdate);

jmiHelp.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) {

JOptionPane.showMessageDialog(StudentGrade.this,

\学生管理系统-学生界面,用于学生查询个人成绩和个信息,可以修改个人信息和密码.\); } });

jmHelp.add(jmiHelp);

jmiAbout.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JOptionPane

.showMessageDialog(StudentGrade.this,

\学生管理系统-学生界面\\n欢迎使用学生管理系统\\n作者: 骆巍\\n当前版本: 0.0.5\\n发行时间: 2012-05-24\); } });

jmHelp.add(jmiAbout); jmb.add(jmHelp); setJMenuBar(jmb);

jlWelcome = new JLabel(\学号: \ + student.getStudentID() + \姓名: \

+ student.getStudentName() + \班级: \ + student.getClasses()

+ \电话: \ + student.getPhone()); jlWelcome.setFont(font);

add(jlWelcome, BorderLayout.NORTH);

jpCenter.add(new ImagePanel(imagePath + student.getPhoto())); add(jpCenter);

jbQueryGrade.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { queryGrade(e); } });