clainfosearchcnum.java

班级管理系统

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


public class ClaInfoSearchCnum extends JDialog implements ActionListener {
	Container contentPane;

	String[] s;

	Dimension faceSize = new Dimension(300, 100);

	JLabel jLabel1 = new JLabel();

	JComboBox selectCnum;

	JButton searchInfo = new JButton();

	ClaInfoSearchCnum(JFrame frame) {
		super(frame, true);
		this.setTitle("班级号查询");
		this.setResizable(false);
		try {
			Init();
		} catch (Exception e) {
			e.printStackTrace();
		}

		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		this.setLocation((int) (screenSize.width - 400) / 2,
				(int) (screenSize.height - 300) / 2 + 45);
	}

	private void Init() throws Exception {
		this.setSize(faceSize);
		contentPane = this.getContentPane();
		contentPane.setLayout(new FlowLayout());
		jLabel1.setText("请输入或者选择班级号");
		jLabel1.setFont(new Font("Dialog", 0, 12));
		contentPane.add(jLabel1);
		TeaBean getId = new TeaBean();
		s = getId.getAllId();

		selectCnum = new JComboBox(s);
		selectCnum.setEditable(true);
		selectCnum.setFont(new Font("Dialog", 0, 12));
		contentPane.add(selectCnum);

		searchInfo.setText("查询");
		searchInfo.setFont(new Font("Dialog", 0, 12));
		contentPane.add(searchInfo);
		searchInfo.addActionListener(this);
	}

	public void actionPerformed(ActionEvent e) {
		Object obj = e.getSource();
		if (obj == selectCnum) {
			this.dispose();
		} else if (obj == searchInfo) {
			this.dispose();
		}
	}

	public String getCnum() {
		return (String) this.selectCnum.getSelectedItem();
	}

}