newscore.java

自己写的一个JAVA实现的学生成绩管理系统

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

class NewScorePane extends JFrame
{
   JTextField textField1 = new JTextField(10);
   JTextField textField2 = new JTextField(10);
   JTextField textField3 = new JTextField(10);
   JTextField textField4 = new JTextField(10);
   NewScorePane ()
   {
      setTitle("新建学生成绩");
      setSize(500, 100);
      JLabel label1 = new JLabel("学生姓名");
      JLabel label2 = new JLabel("英语");
      JLabel label3 = new JLabel("语文");
      JLabel label4 = new JLabel("数学");
      JButton button1 = new JButton("提交");
      button1.addActionListener(new ButtonAction());
      getContentPane().setLayout(new FlowLayout());
      getContentPane().add(label1);
      getContentPane().add(textField1);
      getContentPane().add(label2);
      getContentPane().add(textField2);
      getContentPane().add(label3);
      getContentPane().add(textField3);
      getContentPane().add(label4);
      getContentPane().add(textField4);
      getContentPane().add(button1);
      setVisible(true);
      show();
   }
   class ButtonAction implements ActionListener
   {
      public void actionPerformed(ActionEvent e)
      {
         String name = textField1.getText().trim();
         String english = textField2.getText().trim();
         String chinese = textField3.getText().trim();
         String math = textField4.getText().trim();
         try
         {
            DBClass a = new DBClass();
            a.executeSQL("insert into score values('" + name + "','" + english + "','" + chinese + " ','" + math + "')", "studentdatabase");
         }
         catch(Exception e9)
         {
            e9.printStackTrace();
         }
      }
   }
}