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

/**
 * oracle连接数据库的工具类
 * 
 */
public class DBUtil {
    public static Connection getConnection(){
        Connection conn=null;
        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");//找到oracle驱动器所在的类
            String url="jdbc:oracle:oci8:@orcl"; //URL地址
            String username="C##test";
            String password="test";
            conn=DriverManager.getConnection(url, username, password);
            
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return conn;
    }
    public static void close(PreparedStatement pstmt){
        if(pstmt !=null){
            try {
                pstmt.close();
            } catch (SQLException e) {
                
                e.printStackTrace();
            }
        }
    }
    
    public static void close(ResultSet rs){
        if(rs !=null){
            try {
                rs.close();
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}