jdbcutil.java

一个简单的汽车租赁系统 jsp+struts+oracle

package dao;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class JdbcUtil {
	private static JdbcUtil jdbcUtil=null;
	private JdbcUtil(){
		
	}
	public static JdbcUtil getInstance(){
		if(jdbcUtil==null){
			jdbcUtil=new JdbcUtil();
		}
		return jdbcUtil;
	}
	public  Connection getConn(){
		Connection connection=null;
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			connection = DriverManager.getConnection(
					"jdbc:oracle:thin:@localhost:1521:XE", "chenhui", "chkang");
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return connection;
	}
}