xianshi1.java

用Java与MySQL开发的小型学生成绩管理系统

package chuangti;
import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import login.DBConnection;
public class xianshi1 extends JFrame
{
JComboBox a=new JComboBox();
JTextArea b=new JTextArea(23,30);
JPanel d1=new JPanel(new FlowLayout(FlowLayout.CENTER,10,10));
JPanel d2=new JPanel();
JPanel d3=new JPanel();
JLabel e=new JLabel();
JLabel f=new JLabel("请选择所要查询的班级:");
Font n=new Font("SansSerif",Font.BOLD,33);
Font n1=new Font("SansSerif",Font.BOLD,18);
String m=new String();
int j1=0;
int j2=0;
public xianshi1()
{
	a.setFont(n1);
	f.setFont(n1);
	e.setFont(n);
	b.setFont(n1);
	b.setEditable(false);
	setLayout(new BorderLayout());
	d1.add(f);
	d1.add(a);
	add(d1,BorderLayout.SOUTH);
	d2.add(new JScrollPane(b));
	add(d2,BorderLayout.CENTER);
	d3.add(e);
	add(d3,BorderLayout.NORTH);
	}
}