java点名系统.docVIP

import java.awt.BorderLayout; import java.awt.Button; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Frame; import java.awt.Panel; import java.awt.TextArea; import java.awt.TextField; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileReader; import java.util.Calendar; import java.util.Date; import java.util.Random; import javax.swing.BorderFactory; import javax.swing.JFileChooser; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.border.Border; import javax.swing.border.CompoundBorder; import javax.swing.border.EmptyBorder; public class createMyFrame extends Frame implements ActionListener{ public static void main(String[] args){ data_show(); new createMyFrame(); } public createMyFrame(){ super(江西农业大学点名系统); addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ System.exit(0); } }); setLocationRelativeTo(null); setSize(700,400); setLocation(500,500); setBackground(Color.pink); setFont(new Font(Arial,Font.PLAIN,20)); setLayout(new BorderLayout()); northPanel(); centerPanel(); westPanel(); eastPanel(); add(jp1,BorderLayout.NORTH); add(jp2,BorderLayout.CENTER); add(jp3,BorderLayout.WEST); add(jp4,BorderLayout.EAST); btn1.addActionListener(this); btn2.addActionListener(this); btn3.addActionListener(this); btn4.addActionListener(this); btn5.addActionListener(this); btn6.addActionListener(this); btn7.addActionListener(this); show(); } void northPanel() { jp1= new JPanel(); tf1=new TextField(欢迎您：***老师,20); tf2=new TextField(month+月 +day+天 +wek+周 +weekl+ +hm+节课,20); jp1.add(tf1); jp1.add(tf2); } void centerPanel() { jp2= new JPanel(); btn1=new Button(载入学生名单); btn2=new Button(点名);