ThinkPHP中Widget扩展的两种写法及调用方法详解

本文实例讲述了ThinkPHP中Widget扩展的两种写法及调用方法。分享给大家供大家参考,具体如下:

Widget扩展一般用于页面组件的扩展,在页面根据需要输出不同的内容,下面介绍一下ThinkPHP中Widget的两种写法及调用

写法一:

ArticlWidget.class.php文件:

class ArticleWidget extends Widget {

/**

*

* @param array $data

* @return type

* 调用方法:{:W('ArticleList',array('cid'=>25,'limit'=>5))}

* cid为分类id,limit为调用数量

*/

public function render($data) {

$Article = M('Article');

$articleMap["cid"] = $data["cid"];

$data["articleList"] = $Article->where($articleMap)->order('id desc')->limit($data["limit"])->select();

foreach ($articleList as $key => $value) {

if ($value["thumbnail"] == "") {

$data["articleList"][$key]["thumbnail"] = '/Public/Img/Common/noThumbnail.jpg';

}

}

return $this->renderFile('articleList', $data);

}

}

模板文件articleList.html在Lib/Widget/Article目录下

<volist name="articleList" id="articleList_vo">

<li>

<a href="__APP__/Channel/articleDetail/code/article/id/{$articleList_vo.id}" rel="external nofollow" title="{$articleList_vo.title}">{$articleList_vo.title}</a>

</li>

</volist>

写法二:

class ArticleWidget extends Action {

/**

*

* @param array $data

* @return type

* 调用方法:{:R('Article/articleList',array('cid'=>25,'limit'=>5),'Widget')}

* cid为分类id,limit为调用数量

*/

public function articleList($cid, $limit) {

$Article = M('Article');

$articleMap["cid"] = $cid;

$data = $Article->where($articleMap)->order('id desc')->limit($limit)->select();

foreach ($data as $key => $value) {

if ($value["thumbnail"] == "") {

$data[$key]["thumbnail"] = '/Public/Img/Common/noThumbnail.jpg';

}

}

$this->assign('articleList', $data);

$this->display('Widget:articleList');

}

}

模板文件articleList.html,内容同写法一,但放在Tpl/风格名/Widget/目录下

如果模板文件放在ArticleWiget.class.php文件所在目录的Article文件夹下,则写法如下:

$this->display(dirname(__FILE__) . '/Article/articleList.html');

希望本文所述对大家基于ThinkPHP框架的PHP程序设计有所帮助。

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