showstudentui.java

ibatis + sqlserver 学生成绩管理

package ui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import bean.Student;
import dao.IStudentDAO;
import dao.IStudentDAOImpl;

public class ShowStudentUI {
	private JButton ok = new JButton("OK");
	private JScrollPane scrollPane = null;
	private JTable table = null;
	private JFrame frame = new JFrame();
	private String[] columnNames = { "学号", "性名", "性别", "年龄", "备注" };
	private Object[][] data = null;

	public ShowStudentUI() {
		frame.setTitle("学生信息表");
		scrollPane = new JScrollPane(table);
		frame.getContentPane().add(scrollPane, BorderLayout.CENTER);

		frame.setSize(450, 500);
		frame.setResizable(false);
		Dimension scrSize = Toolkit.getDefaultToolkit().getScreenSize();
		frame.setLocation((scrSize.width - frame.getSize().width) / 2,
				(scrSize.height - frame.getSize().height) / 2);

		loadData();
		table = new JTable(data, columnNames);
		scrollPane = new JScrollPane(table);
		table = new JTable(data, columnNames);
		frame.getContentPane().add(scrollPane);

		JPanel panel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
		panel.add(ok);
		frame.getContentPane().add(panel, BorderLayout.SOUTH);

		frame.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				frame.dispose();
			}
		});
		ok.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				frame.dispose();
			}
		});
		frame.setVisible(true);
	}

	private void loadData() {
		IStudentDAO studentDAO = new IStudentDAOImpl();
		List<Student> list = studentDAO.queryAllStudent();
		int row = list.size();
		data = new Object[row][5];

		for (int i = 0; i < row; i++) {
			Student student = list.get(i);
			data[i][0] = student.getSid();
			data[i][1] = student.getSname();
			data[i][2] = student.getSex();
			data[i][3] = student.getAge();
			data[i][4] = student.getComment();
		}
	}

	public static void main(String[] args) {
		new ShowStudentUI();
	}
}