名称： article_data
功能： 输出文章数据
示例：
# 文章页面输出当前文章标题
{$article_data['title']}
# 读取指定文章数据，例如读取id为168的文章数据
{php}$article = EsiteApp::app()->article_data(168);{/php}
调用示例：
<div class="page-header">
<h2>{$article_data['title']}</h2>
</div>
<article class="content">
<div class="post-meta">
<span class="post-date"><?php echo date('Y-m-d', ($article_data['edit_time']));?></span>
<span class="post-date">阅读：<!--count_pv:A{$article_data['id']}-->次</span>
</div>
<div class="post-content">{$article_data['content']}</div>
<div class="clear"></div>
</article>
数据格式打印：
Array
(
[id] => 2
[cat_id] => 3
[filename] => 网站模板开发基本语法
[defined] =>
[title] => ECMS-API网站模板开发手册
[keywords] => ecms模板开发手册
[description] => ...
[content] => ...
[image] =>
[edit_time] => 1543843665
[click] => 0
[sort] => 0
[pv] => 1900
[article_url] => /网站模板开发基本语法-article.html
[category_url] => /p1-articles.html
[category_info] => Array
(
[cat_id] => 3
[category] => doc
[parent_id] => 1
[unique_id] => 快速上手
[cat_name] => 快速上手
[title] => 快速上手
[keywords] =>
[description] =>
[content] =>
[sort] => 0
[category_url] => /快速上手/p1-articles.html
[sonTree] => Array()
[fatherTree] => Array
(
[1] => Array
(
[cat_id] => 1
[category] => doc
[parent_id] => 0
[unique_id] => doc
[cat_name] => 开发文档
[title] => ECMS开发文档
[keywords] => ecms开发文档,ecms参考文档,ecms使用手册
[description] => ecms开发文档
[content] =>
[sort] => 0
[category_url] => /doc/p1-articles.html
)
)
[father_id] => 1
[genTree] => Array
(
[cat_id] => 1
[category] => doc
[parent_id] => 0
[unique_id] => doc
[cat_name] => 开发文档
[title] => ECMS开发文档
[keywords] => ecms开发文档,ecms参考文档,ecms使用手册
[description] => ecms开发文档
[content] =>
[sort] => 0
[category_url] => /doc/p1-articles.html
[children] => Array
(
[3] => Array
(
[cat_id] => 3
[category] => doc
[parent_id] => 1
[unique_id] => 快速上手
[cat_name] => 快速上手
[title] => 快速上手
[keywords] =>
[description] =>
[content] =>
[sort] => 0
[category_url] => /快速上手/p1-articles.html
)
)
)
[relation_str] => 开发文档,快速上手
)
[last_article] => Array
(
[id] => 1
[cat_id] => 3
[filename] => 建站基本操作流程
[defined] =>
[title] => 使用ECMS建站基本操作流程
[keywords] => ecms建站流程
[description] => ...
[content] => ...
[image] =>
[edit_time] => 1543843574
[click] => 0
[sort] => 0
[pv] => 1450
[article_url] => /建站基本操作流程-article.html
[category_url] => /p1-articles.html
)
[next_article] => Array
(
[id] => 5
[cat_id] => 3
[filename] => 网站目录结构说明
[defined] =>
[title] => ECMS网站目录结构说明
[keywords] => ecms目录结构说明
[description] => ecms目录结构说明，向用户简单讲解ECMS站点各个文件/目录的基本功能。
[content] => ...
[image] =>
[edit_time] => 1543844173
[click] => 0
[sort] => 0
[pv] => 1730
[article_url] => /网站目录结构说明-article.html
[category_url] => /p1-articles.html
)
[content_description] => xxx
)