sc.java

一个培训中心的招生系统代码 初级代码 仅用于交流

import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import javax.swing.JLabel;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JTextField;
import javax.swing.JButton;



public class sc extends JFrame {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JLabel jLabelS1 = null;

	private JTextField jTextFieldS1 = null;

	private JLabel jLabelS2 = null;

	private JButton jButtonS1 = null;

	private JButton jButtonS2 = null;

	/**
	 * This is the default constructor
	 */
	Connect b=null;
	public sc() {
		super();
		initialize();
		this.setVisible(true);
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(485, 334);
		this.setContentPane(getJContentPane());
		this.setTitle("JFrame");
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jLabelS2 = new JLabel();
			jLabelS2.setBounds(new Rectangle(24, 158, 216, 30));
			jLabelS2.setText("");
			jLabelS1 = new JLabel();
			jLabelS1.setBounds(new Rectangle(23, 55, 131, 32));
			jLabelS1.setText("要删除课程的课程号");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(jLabelS1, null);
			jContentPane.add(getJTextFieldS1(), null);
			jContentPane.add(jLabelS2, null);
			jContentPane.add(getJButtonS1(), null);
			jContentPane.add(getJButtonS2(), null);
		}
		return jContentPane;
	}

	/**
	 * This method initializes jTextFieldS1	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextFieldS1() {
		if (jTextFieldS1 == null) {
			jTextFieldS1 = new JTextField();
			jTextFieldS1.setBounds(new Rectangle(185, 56, 204, 31));
		}
		return jTextFieldS1;
	}

	/**
	 * This method initializes jButtonS1	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButtonS1() {
		if (jButtonS1 == null) {			jButtonS1 = new JButton();
			jButtonS1.setBounds(new Rectangle(182, 244, 91, 32));
			jButtonS1.setText("提交");
		}
		jButtonS1.addActionListener(new myframe());
		return jButtonS1;
	}

	/**
	 * This method initializes jButtonS2	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButtonS2() {
		if (jButtonS2 == null) {
			jButtonS2 = new JButton();
			jButtonS2.setBounds(new Rectangle(304, 243, 99, 33));
			jButtonS2.setText("返回");
		}
		jButtonS2.addActionListener(new myframe());
		return jButtonS2;
	}
	class myframe implements ActionListener
	{

		public void actionPerformed(ActionEvent e) {
			
			if(e.getSource() == jButtonS2)
			{
				sc.this.dispose();
				new evil();
			}
			else if(e.getSource() == jButtonS1)
			{
				
				b = new Connect();
				try {
					b.ps = b.con.prepareStatement("DELETE from Course WHERE C_no = ?");
					
					b.ps.setString(1, jTextFieldS1.getText().trim());
					//Date now = Date.valueOf(jTextFieldB3.getText().trim());
					//SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); 
					

					b.ps.executeUpdate();
					
					jLabelS2.setText("删除成功");
					
					b.con.close();
					
				} catch (Exception e1) {
					System.out.println(e1.toString());
					
					jLabelS2.setText("删除未成功");
				
				}


				

				
				
			}
		}
	}

}  //  @jve:decl-index=0:visual-constraint="10,10"