2016/04/24 学生管理系统 （有待完善）

package com.wode.test;

/**
 * 学生管理系统
 */
import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ContainerListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyListener;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JRadioButton;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;

public class StudentSystem extends JFrame {

 public StudentSystem(String title) {
  super(title);
  this.setSize(400, 300);// 设置窗体大小
  this.setLocationRelativeTo(null);// 居中显示
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 可关闭性
  this.setResizable(false);// 禁止用户放大窗口

  JPanel jPanel = new JPanel();
  jPanel.setLayout(null); // 设置自由布局
  jPanel.setBounds(1, 1, 500, 400);// 容器大小和窗口一样大

  // 标题
  JLabel jLabelheadline = new JLabel("***学生管理系统登录***");
  jLabelheadline.setFont(new Font("正楷", Font.BOLD, 20));
  jLabelheadline.setBounds(100, 20, 400, 20);
  jPanel.add(jLabelheadline);

  // 用户输入
  JLabel jLabelName = new JLabel("用户名：");
  jLabelName.setBounds(100, 65, 60, 20);
  jPanel.add(jLabelName);
  // 用户输入提示
  JLabel txtnameprompt = new JLabel("请输入6-18字母");
  txtnameprompt.setBounds(280, 65, 100, 20);
  jPanel.add(txtnameprompt);

  // 用户输入框
  JTextField txtName = new JTextField();
  txtName.setBounds(180, 65, 85, 20);
  jPanel.add(txtName);
  txtName.addFocusListener(new txtNameListener(txtName, txtnameprompt));

  // 密码
  JLabel jLabelpassword = new JLabel("    密码：");
  jLabelpassword.setBounds(100, 120, 60, 20);
  jPanel.add(jLabelpassword);

  // 密码输入提示
  JLabel txtpasswordprompt = new JLabel("请输入6-18数字");
  txtpasswordprompt.setBounds(280, 120, 100, 20);
  jPanel.add(txtpasswordprompt);

  // 密码输入框
  JPasswordField txtpassword = new JPasswordField();
  txtpassword.setBounds(180, 120, 85, 20);
  txtpassword.addFocusListener(new txtpasswordListener(txtpassword, txtpasswordprompt));
  jPanel.add(txtpassword);

  // 确定按钮
  JButton okbtn = new JButton("确定");
  okbtn.setBounds(110, 200, 60, 40);
  jPanel.add(okbtn);

  // 绑定事件
  okbtn.addActionListener(new okListener(txtName, txtpassword));

  // 取消按钮
  JButton cancelbtn = new JButton("取消");
  cancelbtn.setBounds(220, 200, 60, 40);
  jPanel.add(cancelbtn);

  this.add(jPanel);
  this.setVisible(true);

 }

 public static void main(String[] args) {
  new StudentSystem("学生管理系统");
 }
}

/**
 *
 * @author Administrator 鼠标点击确定
 */
class okListener implements ActionListener {
 private JTextField txtName;
 private JPasswordField txtpassword;

 public okListener(JTextField txtName, JPasswordField txtpassword) {
  this.txtName = txtName;
  this.txtpassword = txtpassword;
 }

 @Override
 public void actionPerformed(ActionEvent arg0) {
  // TODO Auto-generated method stub
  // 触发事件
  // System.out.println("ok已经点击");
  if (txtName.getText().equals("zhangsan") && txtpassword.getText().equals("admin")) {
   // System.out.println("学生界面");
   txtName.setText("张三");
   new StudentJFrame(txtName.getText());
   

  } else if (txtName.getText().equals("laozhang") && txtpassword.getText().equals("admin")) {
   // System.out.println("老师界面");
   txtName.setText("张");
   new TeacherJFrame(txtName.getText());

  }
 }

}

/**
 *
 * @author Administrator 用户输入框焦点
 */
class txtNameListener implements FocusListener {
 private JTextField txtName;
 private JLabel txtnameprompt;
 JLabel jlLabel = new JLabel();

 public txtNameListener(JTextField txtName, JLabel txtnameprompt) {
  this.txtName = txtName;
  this.txtnameprompt = txtnameprompt;
 }

 @Override
 public void focusGained(FocusEvent arg0) {
  // TODO Auto-generated method stub
  // System.out.println("获得焦点");
  txtnameprompt.setText("请输入6-18字母");
 }

 @Override
 public void focusLost(FocusEvent arg0) {
  // TODO Auto-generated method stub
  // System.out.println("失去焦点");
  if (txtName.getText().length() == 0) {

   txtnameprompt.setText("用户名不能为空");
  } else if (txtName.getText().length() != 0) {
   Pattern p = Pattern.compile("^[a-z]{8,16}$");
   Matcher m = p.matcher(txtName.getText());
   System.out.println(txtName.getText());

  }
 }

}

/***
 *
 * @author Administrator 密码输入焦点
 */
class txtpasswordListener implements FocusListener {
 private JPasswordField txtpassword;
 private JLabel txtpasswordprompt;

 public txtpasswordListener(JPasswordField txtpassword, JLabel txtpasswordprompt) {
  this.txtpassword = txtpassword;
  this.txtpasswordprompt = txtpasswordprompt;
 }

 @Override
 public void focusGained(FocusEvent arg0) {
  // TODO Auto-generated method stub
  // 获得焦点时
  // System.out.println("密码框获得焦点");
  txtpasswordprompt.setText("请输入6-18数字");
 }

 @Override
 public void focusLost(FocusEvent arg0) {
  // TODO Auto-generated method stub
  // 失去焦点时
  // System.out.println("密码框失去焦点");
  if (txtpassword.getText().length() == 0) {

   txtpasswordprompt.setText("密码不能为空");
  } else if (txtpassword.getText().length() != 0) {
   Pattern p = Pattern.compile("^[a-z]{0,16}$");
   Matcher m = p.matcher(txtpassword.getText());
   if (m.matches()) {
    System.out.println(txtpassword.getText());
   }

  }
 }

package com.wode.test;

import java.awt.Font;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.table.DefaultTableModel;

public class StudentJFrame extends JFrame {
 public StudentJFrame(String StudnetName) {
  this.setSize(400, 300);// 设置窗体大小
  this.setLocationRelativeTo(null);// 居中显示
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 可关闭性
  // this.setResizable(false);// 禁止用户放大窗口

  JPanel jPanel = new JPanel();
  jPanel.setLayout(null); // 设置自由布局
  jPanel.setBounds(1, 1, 500, 400);// 容器大小和窗口一样大

  // 标题
  JLabel jLabelheadline = new JLabel("*****学生信息*****");
  jLabelheadline.setFont(new Font("正楷", Font.BOLD, 20));
  jLabelheadline.setBounds(100, 0, 400, 20);
  jPanel.add(jLabelheadline);

  // 欢迎学生
  JLabel jLabelTime = new JLabel(StudnetName + "同学欢迎你");
  jLabelTime.setBounds(290, 20, 400, 20);
  jPanel.add(jLabelTime);

  // 同学信息
  DefaultTableModel model = new DefaultTableModel(0, 3);

  this.add(jPanel);
  this.setVisible(true);
 }

 public static void main(String[] args) {
  new StudentJFrame("");
 }
}

package com.wode.test;

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

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.swing.JButton;
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.JTable;
import javax.swing.table.DefaultTableModel;

public class TeacherJFrame extends JFrame {
 public TeacherJFrame(String TeacherName) {
  this.setSize(400, 300);// 设置窗体大小
  this.setLocationRelativeTo(null);// 居中显示
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 可关闭性
  this.setResizable(false);// 禁止用户放大窗口

  JPanel jPanel = new JPanel();
  jPanel.setLayout(null); // 设置自由布局
  jPanel.setBounds(1, 1, 500, 400);// 容器大小和窗口一样大

  //学生的信息
  StudentList stu  = new  StudentList();
  List<Student> list = stu.get();
  List<Object> student;
  JTable stujtable = new  JTable();
  DefaultTableModel model = new  DefaultTableModel(0,3);
  for (int i = 0; i < list.size(); i++) {
   student = new ArrayList<>();
   student.add(list.get(i).getName());
   student.add(list.get(i).getAge());
   student.add(list.get(i).getSite());
   model.addRow(student.toArray());
  }
  stujtable.setModel(model);
  JPanel stujpanel = new JPanel();
  stujpanel.setBounds(0, 200, 30, 30);
  stujpanel.setLayout(new BorderLayout());
  stujpanel.add(stujtable,BorderLayout.NORTH);
  
  // 标题
  JLabel jLabelheadline = new JLabel("****老师管理界面****");
  jLabelheadline.setFont(new Font("正楷", Font.BOLD, 20));
  jLabelheadline.setBounds(100, 1, 400, 20);
  jPanel.add(jLabelheadline);

  // 开始
  JMenuBar menuBar = new JMenuBar();
  setJMenuBar(menuBar);
  JMenu begin = new JMenu("开始");
  menuBar.add(begin);
  JMenuItem exit = new JMenuItem("退出");
  exit.addActionListener(new quitListener());
  begin.add(exit);

  // 时间
  Date date = new Date();
  SimpleDateFormat a = new SimpleDateFormat("yyyy-MM-dd ");
  String daTe = a.format(date);
  JLabel dateJLabel = new JLabel(daTe);
  dateJLabel.setBounds(320, 0, 400, 30);
  jPanel.add(dateJLabel);

  // 欢迎
  JLabel jLabelWelcome = new JLabel(TeacherName + "老师欢迎您");
  jLabelWelcome.setBounds(310, 20, 400, 20);
  jPanel.add(jLabelWelcome);

  this.add(jPanel);
  this.setVisible(true);
 }

 public static void main(String[] args) {
  new TeacherJFrame("");
 }

}

class quitListener implements ActionListener {

 @Override
 public void actionPerformed(ActionEvent arg0) {
  // TODO Auto-generated method stub
  // System.out.println("退出系统");
  System.exit(0);
 }

}

package com.wode.test;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Administrator
 *建立一个学生类
 */
public class Student {

 private String  name;
 private int age;
 private String site ;

 
 
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public int getAge() {
  return age;
 }
 public void setAge(int age) {
  this.age = age;
 }
 public String getSite() {
  return site;
 }
 public void setSite(String site) {
  this.site = site;
 }
 
}

package com.wode.test;

import java.util.ArrayList;
import java.util.List;

public class StudentList {
 public List<Student> get(){
  List<Student> list  =  new ArrayList<>();
  Student s = new Student();
  s.setName("张三");
  s.setAge(18);
  s.setSite("成都");
  list.add(s);
  
  
  Student s1 = new Student();
  s.setName("李四");
  s.setAge(18);
  s.setSite("西昌");
  list.add(s1);
  
  
  Student s2 = new Student();
  s.setName("王五");
  s.setAge(18);
  s.setSite("上海");
  list.add(s2);
  
  
  Student s3 = new Student();
  s.setName("狗蛋");
  s.setAge(18);
  s.setSite("北京");
  list.add(s3);
  
  return list;
 }

}