java连接Oracle详解

package demo.utils;

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

public class JDBCUtils {
    private static String driver = "oracle.jdbc.OracleDriver";
    private static String url = "jdbc:oracle:thin:@172.0.0.1:1521:orcl";
    //172.0.0.1是你的数据库所在ip地址，不知道的自己百度
    //name和password是数据库的用户名和密码
    private static String name = "scott";
    private static String password = "scott";

    //注册数据库的驱动
    static{
        try {
            Class.forName(driver);
            //DriverManager.registerDriver(driver);
        } catch (ClassNotFoundException e) {
            throw new ExceptionInInitializerError(e);
        }
    }

    //获取数据库的连接
    public static Connection getConnection(){

        try {
            return DriverManager.getConnection(url, name, password);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

    //释放数据库的资源
    public static void release(Connection conn,Statement st,ResultSet rs){
        if(rs !=null){
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }finally{
                rs = null;
            }
        }
        if(st != null){
            try {
                st.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }finally{
                st = null;
            }
        }
        if(conn != null){
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }finally{
                conn = null;
            }
        }
    }
}

具体代码和jar包下载地址http://pan.baidu.com/s/1b3QqVO