学生成绩管理系统-数据库课程设计(12)

}

} new xiugai(); } if (e.getSource() == button4) { new chaxun(); } if (e.getSource() == button5) { new denglu(); frame.dispose(); } else { }

6.3 修改模块

首先由用户输入要修改的学生的成绩

主要代码：class xiugai extends JFrame implements ActionListener {

JFrame frame = new JFrame("修改成绩");

JPanel imagePanel;

ImageIcon bg;

Button xiug;

TextField input1, input2, input3;

TextArea show;

Box box1, box2, box3;

Panel p1, p2;

int k, s1, j;

Connection con;

Statement sql;

int sum = 0;

ResultSet rs;

xiugai() {

Toolkit kit = Toolkit.getDefaultToolkit();

Image img = kit.getImage("tubiao.jpg");

frame.setIconImage(img);

p1 = new Panel();

p2 = new Panel();

xiug = new Button("修改");

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