JdbcTemplate相关问题

1. 快速入门

    @Test
    public void test03() {
     
        JdbcTemplate jdbcTemplate = new JdbcTemplate(JDBCUtils.getDataSource());

        String sql = "update user set age = ? where id = ?";

        int i = jdbcTemplate.update(sql, 10, 30);

        System.out.println(i);
    }