delteainfo.java

班级管理系统

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

public class DelTeaInfo extends TeaInfo {
	String tNum_str = "";

	DelTeaInfo() {
		this.setTitle("删除教师信息");
		this.setResizable(false);
		tNum.setEditable(false);
		tNum.setText("请查询教师工号");
		tName.setEditable(false);
		tSex.setEditable(false);
		tSethnic.setEditable(false);
		tMajor.setEditable(false);
		tCollege.setEditable(false);
		tHome.setEditable(false);

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

	public void downInit() {
		searchInfo.setText("教师工号查询");
		searchInfo.setFont(new Font("Dialog", 0, 12));
		downPanel.add(searchInfo);
		deleteInfo.setText("删除");
		deleteInfo.setFont(new Font("Dialog", 0, 12));
		deleteInfo.setEnabled(false);
		downPanel.add(deleteInfo);
		clearInfo.setText("清空");
		clearInfo.setFont(new Font("Dialog", 0, 12));
		downPanel.add(clearInfo);
		exitInfo.setText("退出");
		exitInfo.setFont(new Font("Dialog", 0, 12));
		downPanel.add(exitInfo);

		searchInfo.addActionListener(this);
		deleteInfo.addActionListener(this);
		clearInfo.addActionListener(this);
		exitInfo.addActionListener(this);

		this.contentPane.add(downPanel, BorderLayout.SOUTH);
	}

	public void actionPerformed(ActionEvent e) {
		Object obj = e.getSource();
		String[] s = new String[6];
		if (obj == exitInfo) {
			this.dispose();
		} else if (obj == deleteInfo) {
			int ifdel = JOptionPane.showConfirmDialog(null, "真的要删除该信息？",
					"提示信息", JOptionPane.YES_NO_OPTION,
					JOptionPane.INFORMATION_MESSAGE);
			if (ifdel == JOptionPane.YES_OPTION) {
				TeaBean deleteTea = new TeaBean();
				deleteTea.teaDel(tNum_str);
				this.dispose();
				DelTeaInfo dti = new DelTeaInfo();
				dti.downInit();
				dti.pack();
				dti.setVisible(true);
			} else {
				return;
			}
		} else if (obj == clearInfo) {
			setNull();
			tNum.setText("请查询教师工号");
			deleteInfo.setEnabled(false);
		} else if (obj == searchInfo) {
			TeaInfoSearchTnum tist = new TeaInfoSearchTnum(this);
			tist.pack();
			tist.setVisible(true);
			try {
				tNum_str = tist.getTnum();
			} catch (Exception e1) {
				JOptionPane.showMessageDialog(null, "没有查找到该教师工号!");
			}
			TeaBean searchTea = new TeaBean();
			s = searchTea.teaSearch(tNum_str);
			if (s == null) {
				JOptionPane.showMessageDialog(null, "记录不存在!");
				tNum.setText("请查询教师工号");
				tName.setText("");
				tSex.setText("");
				tSethnic.setText("");
				tHome.setText("");
				tMajor.setText("");
				tCollege.setText("");

				tName.setEditable(false);
				tSex.setEditable(false);
				tSethnic.setEditable(false);
				tHome.setEditable(false);
				tMajor.setEditable(false);
				tCollege.setEditable(false);
				deleteInfo.setEnabled(false);
				return;
			} else {
				tNum.setText(tNum_str);
				tName.setText(s[0]);
				tSex.setText(s[1]);
				tSethnic.setText(s[2]);
				tHome.setText(s[3]);
				tMajor.setText(s[4]);
				tCollege.setText(s[5]);

				tName.setEditable(false);
				tSex.setEditable(false);
				tSethnic.setEditable(false);
				tHome.setEditable(false);
				tMajor.setEditable(false);
				tCollege.setEditable(false);
				deleteInfo.setEnabled(true);
			}
		}
	}

}