发布时间 : 星期一 文章java学校图书借阅管理系统课程设计报告更新完毕开始阅读073aa518941ea76e59fa04a6
add(b2); add(d3); add(b3); add(d4); add(b4); add(d5); add(b5); add(d6); add(b6); add(button); setVisible(true); }
public void actionPerformed(ActionEvent e)
{String b11=b1.getText(); String b22=b2.getText(); String b33=b3.getText(); String b44=b4.getText(); String b55=b5.getText(); String b66=b6.getText();
try{Class.forName(\Connection
Statement stmt=con.createStatement(); String sql=\stmt.executeUpdate(sql); con.close();}
catch(Exception e1){ System.out.print(e1);}
con=DriverManager.getConnection(\
values('\
JOptionPane.showMessageDialog(this, \注册成功！\消息对话\WARNING_MESSAGE);
}
this.setVisible(false); }
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4.8 学生信息查询模块设计
截图
源代码
class stucx extends JFrame implements ActionListener {
JLabel z1;
JButton button33; JTextField y1; JTextArea Area1; stucx()
{
setTitle(\学生信息查询\ setLocation(20,30);
setLayout(null);
setSize(700,400);
z1=new JLabel(\请输入需要查询的学生学号:\ z1.setBounds(100,20,160,20); add(z1);
y1=new JTextField(10);
y1.setBounds(270,20,80,20); add(y1);
button33=new JButton(\查询\
button33.setBounds(370,20,60,20); add(button33);
button33.addActionListener(this); Area1=new JTextArea(52,50); Area1.setBounds(65,80,600,80); add(Area1);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); setVisible(true); repaint(); }
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public void actionPerformed(ActionEvent e) {
String y11=y1.getText(); Connection con; Statement sql; ResultSet rs; try{
Class.forName(\ }
catch(ClassNotFoundException e1) { System.out.print(e); } try {
con=DriverManager.getConnection(\ sql=con.createStatement();
rs=sql.executeQuery(\StuNO='\ while(rs.next()) {
Area1.append(rs.getString(1)+\ Area1.append(rs.getString(2)+\ Area1.append(rs.getString(3)+\ Area1.append(rs.getString(4)+\ Area1.append(rs.getString(5)+\ Area1.append(rs.getString(6)+\ Area1.append(\ }
con.close(); }
catch(SQLException e2) { System.out.println(e); } } }
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4.9 学生信息修改模块设计
截图
源代码
class stuxg extends JFrame implements ActionListener {
JLabel r1; JTextField x1;
JButton button0, button11;
JTextField StuNO,StuName,StuSex,Stuyuanxi,StuSpecial,StuClass;
stuxg()
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