deltrainfo.java

完整的JAVA工程

package employee;

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

/**
 * 培训信息管理模块
 * 修改培训信息的类
 */
public class DelTraInfo extends TraInfo{
	String tName_str = "";
	public DelTraInfo() {
		this.setTitle("删除培训信息");
		this.setResizable(false);

		tTid.setEditable(false);
		tName.setText("请查询培训名称");
		tName.setEditable(false);
		tContent.setEditable(false);

		//设置运行位置，使对话框居中
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		this.setLocation( (int) (screenSize.width - 400) / 2 ,
						(int) (screenSize.height - 300) / 2 +45);
	}

	public void downInit(){
		searchInfo.setText("培训名称查询");
		searchInfo.setFont(new Font("Dialog",0,12));
		downPanel.add(searchInfo);
		deleteInfo.setText("删除");
		deleteInfo.setFont(new Font("Dialog",0,12));
		downPanel.add(deleteInfo);
		clearInfo.setText("清空");
		clearInfo.setFont(new Font("Dialog",0,12));
		downPanel.add(clearInfo);
		eixtInfo.setText("退出");
		eixtInfo.setFont(new Font("Dialog",0,12));
		downPanel.add(eixtInfo);

		contentPane.add(downPanel,BorderLayout.SOUTH);

		searchInfo.setEnabled(true);
		deleteInfo.setEnabled(false);
		eixtInfo.setEnabled(true);

		//添加事件侦听
		searchInfo.addActionListener(this);
		deleteInfo.addActionListener(this);
		eixtInfo.addActionListener(this);
	}
	/**
	 * 事件处理
	 */
	public void actionPerformed(ActionEvent e) {
		Object obj = e.getSource();
		String[] s = new String[2];

		if (obj == eixtInfo) { //退出
			this.dispose();
		}
		else if (obj == deleteInfo) { //删除
			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){
				TraBean delTra = new TraBean();
				delTra.traDel(tName.getText());
				
				this.dispose();

				DelTraInfo dti = new DelTraInfo();
				dti.downInit();
				dti.pack();
				dti.setVisible(true);
			}
			else{
				return;
			}
		}
		else if (obj == searchInfo) { //培训编号查询
			TraInfoSearchTname tist = new TraInfoSearchTname(this);
			tist.pack();
			tist.setVisible(true);
			tName_str = tist.getTname();

			TraBean searchTra = new TraBean();
			s = searchTra.traSearch(tName_str);
			if(s == null){
				JOptionPane.showMessageDialog(null, "记录不存在！");
				tTid.setText("");
				tName.setText("请查询培训名称");
				tContent.setText("");
								
				tName.setEditable(false);
				tContent.setEditable(false);
				deleteInfo.setEnabled(false);
				return;
			}
			else{
				tTid.setText(s[0]);
				tName.setText(tName_str);
				tContent.setText(s[1]);

				tName.setEditable(true);
				tContent.setEditable(true);
				deleteInfo.setEnabled(true);
			}
		}
	}
}