代码如下：
package shangke.diwuzhou; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.*; import java.math.*; import java.util.Random; public class xinkechengtianjia extends JFrame implements ActionListener{ private JLabel user,password,check,user0,password0,didian; private JTextField word1,word2,word3,word5,word6; private JPasswordField word4; private Button login,register,checkbutton,yes; private JFrame background1,background2; static String num; static public String zhanghao[]=new String[10],mima[]=new String[10],weizhi[]=new String[10],laoshi[]=new String[10],difang[]=new String[10]; static int flag=1; static int flag1=1; static int flag2=1; static int flag3=1; static int sum=0; static String jiaoshi[]=new String[4]; static { jiaoshi[0]="一教"; jiaoshi[1]="二教"; jiaoshi[2]="三教"; jiaoshi[3]="基教"; } public boolean what=true; public static void main(String[] args) { xinkechengtianjia.mima[0]="王建民"; xinkechengtianjia.mima[1]="刘立嘉"; xinkechengtianjia.mima[2]="刘丹"; xinkechengtianjia.mima[3]="王辉"; xinkechengtianjia.mima[4]="杨子光"; xinkechengtianjia deng= new xinkechengtianjia(); deng.showTime(); /*for(;;) { deng.showTime(); if(!deng.what)break; }*/ } public void showTime() { JFrame background2=new JFrame(); background2.setTitle("注册界面"); background2.setLayout(null);//居中 //账号设置 user0 = new JLabel("课程名称"); word3 = new JTextField("",15); user0.setBounds(100, 13, 60, 40); word3.setBounds(160, 20, 120, 25); word3.addActionListener(this); background2.add(user0); background2.add(word3); //密码设置 password0 = new JLabel("任课老师"); word5 =new JTextField("",15); password0.setBounds(100, 53, 60, 40); word5.setBounds(160, 60, 120, 25); background2.add(password0); background2.add(word5); //地点 didian = new JLabel("任课地点"); word6 =new JTextField("",15); didian.setBounds(100, 93, 60, 40); word6.setBounds(160, 100, 120, 25); background2.add(didian); background2.add(word6); //确定按钮 yes = new Button("注册"); yes.setBackground(Color.orange); yes.setBounds(75, 140, 240, 40); yes.addActionListener(this); yes.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { if (e.getButton() == MouseEvent.BUTTON1) { if(!word3.getText().equals("")&&!word5.getText().equals("")&&!word6.getText().equals("")) { flag=1; flag1=1; flag2=0; flag3=0; for(int j=0;j<sum;j++) { if(zhanghao[j].contentEquals(word3.getText())&&laoshi[j].contentEquals(word5.getText())&&difang[j].contentEquals(word6.getText()))flag1=0; } for(int j=0;j<5;j++) { if(mima[j].contentEquals(word5.getText()))flag2=1; } for(int j=0;j<4;j++) { if(jiaoshi[j].contentEquals(""+word6.getText().charAt(0)+word6.getText().charAt(1)))flag3=1; } if(flag1==0||flag2==0||flag3==0)flag=0; if(flag==1) { zhanghao[sum]=word3.getText(); laoshi[sum]=word5.getText(); difang[sum]=word6.getText(); sum++; JOptionPane.showMessageDialog(null, "注册成功！"); background2.setVisible(false); showtime2(); } else if(flag1==0) { word3.setText(""); word5.setText(""); word6.setText(""); JOptionPane.showMessageDialog(null, "该课程已存在！"); } else if(flag2==0) { word3.setText(""); word5.setText(""); word6.setText(""); JOptionPane.showMessageDialog(null, "该老师不存在存在！"); } else if(flag3==0) { word3.setText(""); word5.setText(""); word6.setText(""); JOptionPane.showMessageDialog(null, "该教室不存在存在！"); } } else { word3.setText(""); word5.setText(""); JOptionPane.showMessageDialog(null, "请输入完整信息！"); } } } }); background2.add(yes); background2.setVisible(true); background2.setSize(400, 250); background2.setLocationRelativeTo(null); background2.setResizable(false); } public void showtime2() { //总的框 background1 = new JFrame(); background1.setTitle("登录界面"); background1.setLayout(null);//居中 user =new JLabel("是否继续注册"); user.setBounds(100, 13, 160, 40); background1.add(user); //设置选择按钮 login = new Button("是"); login.setBackground(Color.orange); login.setBounds(50, 100, 200, 40); login.addActionListener(this); background1.add(login); register = new Button("否"); register.setBackground(Color.orange); register.setBounds(50, 150, 200, 40); register.addActionListener(this); background1.add(register); background1.setVisible(true); background1.setSize(300, 250); background1.setLocationRelativeTo(null); background1.setResizable(false); background1.setDefaultCloseOperation(3); } public void actionPerformed(ActionEvent e) { if(e.getActionCommand()=="是") { background1.setVisible(false); showTime(); } else { background1.setVisible(false); } } }
截图如下：
程序要求：
上课老师必须是所要求的几位老师，上课地点必须带有一教，二教，三教，基教等；