abstract：{//基础模板文件} {block name="header"} {include file="public/header" /} {/block} {block name="main"}主体部分{/block} {block name="
{//基础模板文件}
{block name="header"}
{include file="public/header" /}
{/block}
{block name="main"}主体部分{/block}
{block name="footer"}
{include file="public/footer" /}
{/block}
{//子模板}
{extend name="base" /}
{//将父模板中的main区块进行重写}
{block name="main"}
<h1>{__block__}我是子模板</h1>
{/block}
Correcting teacher：西门大官人Correction time：2019-03-29 09:43:13
Teacher's summary：最好解释一下这种结构的优点和缺点在哪里。