SMARTY 输出数字格式化（整数、小数、时间格式等）
{capture name=banner}{*注释掉中间显示内容*}
{include file=”banner.tpl”}
{/capture}
{include file=”banner.tpl” title=”Smarty学习”}
{$smarty.get.page}
{$smarty.post.page}
{$smarty.cookies.name}
{$smarty.server.SERVER_NAME}
{$smarty.env.PATH}
{$smarty.session.id}
{$smarty.request.username}
{$smarty.now|date_format:’%Y-%m-%d[……]