jdbc通用表查询
@Override publicList showUser(Connection connection, Class tClass, String tableName) { List t = null; QueryRunner queryRunner = new QueryRunner(); String sql = "select * from "+tableName; System.out.println(sql); BeanListHandler beanListHandler; beanListHandler = new BeanListHandler (tClass); try { t = queryRunner.query(connection, sql, beanListHandler); } catch (SQLException e) { e.printStackTrace(); } System.out.println(t.toString()); return t; }