案例：给文章最后输出123字符

<code php>
function ActivePlugin_ytecn() {
    Add_Filter_Plugin('Filter_Plugin_ViewPost_Template','ytecn_ViewPost_Template');
}

function ytecn_ViewPost_Template(&$template)
{
    global $zbp;
    $article = $template->GetTags('article');
    $article->Content = $article->Content."123";
    $template->SetTags('article', $article);
}
</code>