insertgroupinfo.java

这是一个用java语言开发的运动员成绩统计系统

package com.insert;

import com.MainFrame;
import com.component.MyFrame;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;

/**
 * @author  Laiger
 */
public class InsertGroupInfo extends MyFrame implements ActionListener{

	private JLabel jLabel1 = null;
	private JTextField t1 = null;
	private JLabel jLabel2 = null;
	private JTextField t2 = null;
	private JLabel jLabel3 = null;
	private JTextField t3 = null;
	private JButton ok = null;
	private JButton cancel = null;
	/**
	 * This method initializes 
	 * 
	 */
	public InsertGroupInfo(MainFrame m) {
		super(m);
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 */
	private void initialize() {
        jLabel3 = new JLabel();
        jLabel3.setBounds(new Rectangle(24, 125, 49, 24));
        jLabel3.setText("电   话");
        jLabel2 = new JLabel();
        jLabel2.setBounds(new Rectangle(24, 83, 50, 24));
        jLabel2.setText("负责人");
        jLabel1 = new JLabel();
        jLabel1.setBounds(new Rectangle(25, 41, 52, 25));
        jLabel1.setText("团队名");
        this.setSize(new Dimension(336, 223));
        this.setTitle("添加团队");
        this.add(jLabel1, null);
        this.add(getT1(), null);
        this.add(jLabel2, null);
        this.add(getT2(), null);
        this.add(jLabel3, null);
        this.add(getT3(), null);
        this.add(getOk(), null);
        this.add(getCancel(), null);
			
	}

	/**
	 * This method initializes t1	
	 * @return  javax.swing.JTextField
	 * @uml.property  name="t1"
	 */
	private JTextField getT1() {
		if (t1 == null) {
			t1 = new JTextField();
			t1.setBounds(new Rectangle(114, 42, 134, 27));
		}
		return t1;
	}

	/**
	 * This method initializes t2	
	 * @return  javax.swing.JTextField
	 * @uml.property  name="t2"
	 */
	private JTextField getT2() {
		if (t2 == null) {
			t2 = new JTextField();
			t2.setBounds(new Rectangle(114, 85, 131, 24));
		}
		return t2;
	}

	/**
	 * This method initializes t3	
	 * @return  javax.swing.JTextField
	 * @uml.property  name="t3"
	 */
	private JTextField getT3() {
		if (t3 == null) {
			t3 = new JTextField();
			t3.setBounds(new Rectangle(113, 126, 130, 27));
		}
		return t3;
	}

	/**
	 * This method initializes ok	
	 * @return  javax.swing.JButton
	 * @uml.property  name="ok"
	 */
	private JButton getOk() {
		if (ok == null) {
			ok = new JButton();
			ok.setBounds(new Rectangle(21, 183, 92, 34));
			ok.setText("添加团队");
			ok.addActionListener(this);
		}
		return ok;
	}

	/**
	 * This method initializes cancel	
	 * @return  javax.swing.JButton
	 * @uml.property  name="cancel"
	 */
	private JButton getCancel() {
		if (cancel == null) {
			cancel = new JButton();
			cancel.setBounds(new Rectangle(203, 184, 87, 31));
			cancel.setText("取消");
			cancel.addActionListener(this);
		}
		return cancel;
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==ok){
			String s1=t1.getText().toString().trim();
			String s2=t2.getText().toString().trim();
			String s3=t3.getText().toString().trim();
			
			if(s1.equals("")||s2.equals("")||s3.equals("")){
				 JOptionPane.showMessageDialog(this,"有些信息为空，请检查。");
				 return;
			}
			String sql="select * from groupinfo where name='"+s1+"' ";
			ResultSet rs=db.executeQuery(sql);
		 try {
			if(rs.next()){
				 JOptionPane.showMessageDialog(this,"该团队已经存在！。");
			 }
			else
			{
				sql="insert into groupinfo(name,principal,phone) values('"+s1+"','"+s2+"','"+s3+"')";
				if(db.executeUpdate(sql)){
					JOptionPane.showMessageDialog(this,"添加成功！");
				}
			}
		} catch (SQLException e1) {
			
			e1.printStackTrace();
		}
			
			
		}
		else{
			db.close();
			m.setVisible(true);
			this.dispose();		
		}
		
	}

}  //  @jve:decl-index=0:visual-constraint="287,13"