111 lines
2.9 KiB
PHP
111 lines
2.9 KiB
PHP
<?php
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if (!defined('__TYPECHO_ROOT_DIR__')) exit;
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/**
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* 获取文章缩略图
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* 获取顺序： 自定义字段（thumb）> 文章第一张图片 > 系统图库
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* @param $obj
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* @return 获取文章头图
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*/
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function get_postthumb($obj)
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{
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if (isset($obj->fields->thumb)) {
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return $obj->fields->thumb;
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}
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preg_match("/<img[^>]+src\s*=\s*['\"]([^'\"]+)['\"][^>]*>/ ", $obj->content, $matches);
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if (isset($matches[1])) {
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return $matches[1];
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}
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preg_match("/!\[(.*?)\]\((.*?)\)/ ", $obj->content, $matches);
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if (isset($matches[2])) {
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return $matches[2];
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}
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$thumbPath = __DIR__ . '/static/medias/featureimages/';
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$files = scandir($thumbPath);
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$thumbs = [];
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for ($i = 0; $i < count($files); $i++) {
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if (is_file($thumbPath . $files[$i])) {
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$thumbs[] = $files[$i];
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}
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}
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return Helper::options()->themeUrl . '/static/medias/featureimages/' . $thumbs[rand(0, count($thumbs) - 1)];
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}
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/**
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* @param $obj 对象
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* @return string 上一页url
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*/
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function getPrevPageLink($obj)
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{
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ob_start();
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$obj->pagelink("prev", "prev");
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$pageLink = ob_get_contents();
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ob_end_clean();
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preg_match("/<a[^>]+href\s*=\s*['\"]([^'\"]+)['\"][^>]*>/", $pageLink, $matches);
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if (isset($matches[1])) {
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return $matches[1];
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}
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return "#";
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}
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/**
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* @param $obj 对象
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* @return string 下一页url
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*/
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function getNextPageLink($obj)
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{
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ob_start();
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$obj->pageLink("next", "next");
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$pageLink = ob_get_contents();
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ob_end_clean();
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preg_match("/<a[^>]+href\s*=\s*['\"]([^'\"]+)['\"][^>]*>/", $pageLink, $matches);
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if (isset($matches[1])) {
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return $matches[1];
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}
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return "#";
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}
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/**
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* 统计文章字数
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*
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* @param $cid
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*/
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function articleCount($cid)
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{
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$db = Typecho_Db::get();
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$rs = $db->fetchRow($db->select('table.contents.text')->from('table.contents')->where('table.contents.cid=?', $cid)->order('table.contents.cid', Typecho_Db::SORT_ASC)->limit(1));
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$text = preg_replace("/[^\x{4e00}-\x{9fa5}]/u", "", $rs['text']);
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return mb_strlen($text, 'UTF-8');
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}
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/**
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* 获取文章访问数
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* @param $archive
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* @return string|void
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* @throws Typecho_Db_Exception
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*/
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function articleViewsNum($archive) {
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$cid = $archive->cid;
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$db = Typecho_Db::get();
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$prefix = $db->getPrefix();
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if (!array_key_exists('views', $db->fetchRow($db->select()->from('table.contents')))) {
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$db->query('ALTER TABLE `' . $prefix . 'contents` ADD `views` INT(10) DEFAULT 0;');
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echo 0;
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return;
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}
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$row = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid));
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if ($archive->is('single')) {
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$db->query($db->update('table.contents')->rows(array('views' => (int) $row['views'] + 1))->where('cid = ?', $cid));
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}
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if($row['views'] < 1000){
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return $row['views'];
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} else {
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return ($row['views'] / 1000) .'k';
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}
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} |