JDBC中DAO事务函数模版

public void OrderFinsByPage(){
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        
        try {
            
            conn = DBUtils.getConnection();
            //事务开始
            conn.setAutoCommit(false);
            //业务逻辑
            
            
            
            
            conn.commit();
            
        } catch (Exception e) {
            try {
                conn.rollback();
            } catch (SQLException sqkex) {
                // TODO Auto-generated catch block
                sqkex.printStackTrace();
            }
            e.printStackTrace();
        }finally {
            try {
                conn.setAutoCommit(true);
                if(conn !=null)  conn.close();
                } catch (SQLException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            
        }
        
    }