141 lines
4.3 KiB
PHP
141 lines
4.3 KiB
PHP
<?php
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/**
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* Typecho 版 PostViews
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*
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* @package Views
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* @author Willin Kan
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* @version 1.0.1
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* @update: 2011.05.29
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* @link http://kan.willin.org/typecho/
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*/
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class Views_Plugin implements Typecho_Plugin_Interface
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{
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/**
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* 激活插件方法,如果激活失败,直接抛出异常
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*
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function activate()
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{
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Typecho_Plugin::factory('Widget_Archive')->beforeRender = array('Views_Plugin', 'viewsCounter');
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$db = Typecho_Db::get();
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$prefix = $db->getPrefix();
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// contents 表中若无 views 字段则添加
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if (!array_key_exists('views', $db->fetchRow($db->select()->from('table.contents'))))
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$db->query('ALTER TABLE `'. $prefix .'contents` ADD `views` INT(10) DEFAULT 0;');
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}
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/**
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* 禁用插件方法,如果禁用失败,直接抛出异常
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*
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* @static
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* @access public
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* @return void
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* @throws Typecho_Plugin_Exception
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*/
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public static function deactivate(){}
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/**
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* 获取插件配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form 配置面板
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* @return void
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*/
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public static function config(Typecho_Widget_Helper_Form $form){}
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/**
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* 个人用户的配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form
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* @return void
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*/
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public static function personalConfig(Typecho_Widget_Helper_Form $form){}
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/**
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* 加入 beforeRender
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*
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* @access public
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* @return void
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*/
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public static function viewsCounter()
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{
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// 访问计数
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if (Typecho_Widget::widget('Widget_Archive')->is('single')) {
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$db = Typecho_Db::get();
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$cid = Typecho_Widget::widget('Widget_Archive')->cid;
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$row = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid));
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$db->query($db->update('table.contents')->rows(array('views' => (int)$row['views']+1))->where('cid = ?', $cid));
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}
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}
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/**
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* 输出访问次数
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*
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* 语法: Views_Plugin::theViews();
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* 输出: '访问: xx,xxx 次'
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*
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* 语法: Views_Plugin::theViews('有 ', ' 次点击');
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* 输出: '有 xx,xxx 次点击'
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*
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* @access public
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* @param string $before 前字串
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* @param string $after 后字串
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* @param bool $echo 是否显示 (0 用于运算，不显示)
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* @return string
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*/
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public static function theViews($before = '访问: ', $after = ' 次', $echo = 1)
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{
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$db = Typecho_Db::get();
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$cid = Typecho_Widget::widget('Widget_Archive')->cid;
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$row = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid));
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if ($echo)
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echo $before, number_format($row['views']), $after;
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else
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return $row['views'];
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}
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/**
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* 输出最受欢迎文章
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*
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* 语法: Views_Plugin::theMostViewed();
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*
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* @access public
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* @param int $limit 文章数目
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* @param string $before 前字串
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* @param string $after 后字串
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* @return string
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*/
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public static function theMostViewed($limit = 10, $before = '<br/> - ( 访问: ', $after = ' 次 ) ')
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{
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$db = Typecho_Db::get();
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$options = Typecho_Widget::widget('Widget_Options');
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$limit = is_numeric($limit) ? $limit : 10;
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$posts = $db->fetchAll($db->select()->from('table.contents')
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->where('type = ? AND status = ? AND password IS NULL', 'post', 'publish')
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->order('views', Typecho_Db::SORT_DESC)
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->limit($limit)
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);
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if ($posts) {
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foreach ($posts as $post) {
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$result = Typecho_Widget::widget('Widget_Abstract_Contents')->push($post);
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$post_views = number_format($result['views']);
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$post_title = htmlspecialchars($result['title']);
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$permalink = $result['permalink'];
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echo "<li><a href='$permalink' title='$post_title'>$post_title</a><span style='font-size:70%'>$before $post_views $after</span></li>\n";
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}
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} else {
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echo "<li>N/A</li>\n";
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}
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}
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}
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