大前端DUX设置微缩的发办法 | 安云网

修改functions-theme.php中的函数:_get_post_thumbnail

function _get_post_thumbnail($size = 'thumbnail', $class = 'thumb') {
global $post;
$html = '';
if (has_post_thumbnail()) {
/*$domsxe = simplexml_load_string(get_the_post_thumbnail());
$src = $domsxe->attributes()->src;
$src_array = wp_get_attachment_image_src(_get_attachment_id_from_src($src), $size);
$html = sprintf('<img data-src="%s" class="%s"/>', $src_array[0], $class);*/
$domsxe = get_the_post_thumbnail();
// print_r($domsxe);
preg_match_all('/<img.*?(?: |\\t|\\r|\\n)?src=[\'"]?(.+?)[\'"]?(?:(?: |\\t|\\r|\\n)+.*?)?>/sim', $domsxe, $strResult, PREG_PATTERN_ORDER);
$images = $strResult[1];
foreach($images as $src){
$html = sprintf('<img data-src="%s" class="thumb">', $src);
break;
}
}else {
$post_thumbnail_src = '';
ob_start();
ob_end_clean();
$output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
$post_thumbnail_src = $matches [1] [0]; //获取该图片 src
if(empty($post_thumbnail_src)){
$random = mt_rand(1, 10);
$post_thumbnail_src = get_bloginfo('template_url').'/img/pic/'.$random.'.jpg';
}
$html = sprintf('<img data-src="%s" class="thumb">', $post_thumbnail_src);
}
return $html;
}