原生相册增加自定义样式
发布于
by
为所有图片增加属性 1 2 3 4 5 6 7 8 add_filter(‘the_content…
为所有图片增加属性
|
1
2
3
4
5
6
7
8
|
add_filter(‘the_content’, ‘my_addlightboxrel’);
function my_addlightboxrel($content) {
global $post;
$pattern =“/<a(.*?)href=(‘|”)(.*?).(bmp|gif|jpeg|jpg|png)(‘|”)(.*?)>/i”;
$replacement = ‘<a$1href=$2$3.$4$5 rel=”lightbox” title=”‘.$post->post_title.‘”$6>’;
$content = preg_replace($pattern, $replacement, $content);
return $content;
}
|
图片附件增加class类名
|
1
2
3
4
|
function example_add_img_class( $class ) {
return $class . ‘ img-fluid’;
}
add_filter( ‘get_image_tag_class’, ‘example_add_img_class’ );
|
图片自定义
为文章里的图片增加class类名
|
1
2
3
4
5
|
add_filter(‘get_image_tag_class’,‘wpse302130_add_image_class’);
function wpse302130_add_image_class ($class){
$class .= ‘ img-fluid’;
return $class;
}
|
该函数不适用于已经存在的帖子。
js方法
|
1
2
3
4
5
|
<script>
$(function() {
$(“body img”).addClass(“attachment-thumbnail size-thumbnail”);
});
</script>
|
如何将自定义类添加到附件链接
|
1
2
3
4
5
6
|
function add_class_attachment_link($html){
$postid = get_the_ID();
$html = str_replace(‘<a’,‘<a class=”isitwp”‘,$html);
return $html;
}
add_filter(‘wp_get_attachment_link’,‘add_class_attachment_link’,10,1);
|
自定义相册终极代码
示例一：
//自定义原生相册的样式
add_shortcode( ‘gallery’, ‘custom_gallery_shortcode’ );
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
//自定义原生相册的样式
add_filter( ‘use_default_gallery_style’, ‘__return_false’ );
function custom_gallery_shortcode( $attr = array(), $content = ” )
{
$attr[‘itemtag’] = “li”;
$attr[‘icontag’] = “”;
$attr[‘captiontag’] = “p”;
// 运行原生库短代码回调：
$html = gallery_shortcode( $attr );
// 删除除a，img，li，p之外的所有标签
$html = strip_tags( $html, ‘<a><img><li><p>’ );
// 类名替代
$from = array(
“class=’gallery-item’”,
“class=’gallery-icon landscape’”,
‘class=”attachment-thumbnail”‘,
‘a href=’,
);
$to = array(
‘class=”tnggallery1″‘, //li的类名
‘class=”tnggallery2″‘,
‘class=”tnggallery3″‘,
‘a class=”swipebox” href=’, //a的类名
);
$html = str_replace( $from, $to, $html );
// 删除宽度/高度属性：
$html = preg_replace( ‘/(width|height)=”d*”s/’, “”, $html );
// 将输出包装在ul标签中：
$html = sprintf( ‘<ul class=”gallery”>%s</ul>’, $html );
return $html;
}
|
示例二：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
add_shortcode(‘gallery’, ‘my_gallery_shortcode’);
function my_gallery_shortcode($attr) {
$post = get_post();
static $instance = 0;
$instance++;
if ( ! empty( $attr[‘ids’] ) ) {
// ‘ids’ is explicitly ordered, unless you specify otherwise.
if ( empty( $attr[‘orderby’] ) )
$attr[‘orderby’] = ‘post__in’;
$attr[‘include’] = $attr[‘ids’];
}
// Allow plugins/themes to override the default gallery template.
$output = apply_filters(‘post_gallery’, ”, $attr);
if ( $output != ” )
return $output;
// We’re trusting author input, so let’s at least make sure it looks like a valid orderby statement
if ( isset( $attr[‘orderby’] ) ) {
$attr[‘orderby’] = sanitize_sql_orderby( $attr[‘orderby’] );
if ( !$attr[‘orderby’] )
unset( $attr[‘orderby’] );
}
extract(shortcode_atts(array(
‘order’ => ‘ASC’,
‘orderby’ => ‘menu_order ID’,
‘id’ => $post->ID,
‘itemtag’ => ‘dl’,
‘icontag’ => ‘dt’,
‘captiontag’ => ‘dd’,
‘columns’ => 3,
‘size’ => ‘thumbnail’,
‘include’ => ”,
‘exclude’ => ”
), $attr));
$id = intval($id);
if ( ‘RAND’ == $order )
$orderby = ‘none’;
if ( !empty($include) ) {
$_attachments = get_posts( array(‘include’ => $include, ‘post_status’ => ‘inherit’, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘order’ => $order, ‘orderby’ => $orderby) );
$attachments = array();
foreach ( $_attachments as $key => $val ) {
$attachments[$val->ID] = $_attachments[$key];
}
} elseif ( !empty($exclude) ) {
$attachments = get_children( array(‘post_parent’ => $id, ‘exclude’ => $exclude, ‘post_status’ => ‘inherit’, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘order’ => $order, ‘orderby’ => $orderby) );
} else {
$attachments = get_children( array(‘post_parent’ => $id, ‘post_status’ => ‘inherit’, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘order’ => $order, ‘orderby’ => $orderby) );
}
if ( empty($attachments) )
return ”;
if ( is_feed() ) {
$output = “n”;
foreach ( $attachments as $att_id => $attachment )
$output .= wp_get_attachment_link($att_id, $size, true) . “n”;
return $output;
}
$itemtag = tag_escape($itemtag);
$captiontag = tag_escape($captiontag);
$icontag = tag_escape($icontag);
$valid_tags = wp_kses_allowed_html( ‘post’ );
if ( ! isset( $valid_tags[ $itemtag ] ) )
$itemtag = ‘dl’;
if ( ! isset( $valid_tags[ $captiontag ] ) )
$captiontag = ‘dd’;
if ( ! isset( $valid_tags[ $icontag ] ) )
$icontag = ‘dt’;
$columns = intval($columns);
$itemwidth = $columns > 0 ? floor(100/$columns) : 100;
$float = is_rtl() ? ‘right’ : ‘left’;
$selector = “gallery-{$instance}”;
$gallery_style = $gallery_div = ”;
if ( apply_filters( ‘use_default_gallery_style’, true ) )
$gallery_style = “
<style type=’text/css’>
#{$selector} {
margin: auto;
}
#{$selector} .gallery-item {
float: {$float};
margin-top: 10px;
text-align: center;
width: {$itemwidth}%;
}
#{$selector} img {
border: 2px solid #cfcfcf;
}
#{$selector} .gallery-caption {
margin-left: 0;
}
</style>
<!– see gallery_shortcode() in wp-includes/media.php –>”;
$size_class = sanitize_html_class( $size );
$gallery_div = “<div id=’$selector’ class=’gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}’>”;
$output = apply_filters( ‘gallery_style’, $gallery_style . “ntt” . $gallery_div );
$i = 0;
foreach ( $attachments as $id => $attachment ) {
$link = isset($attr[‘link’]) && ‘file’ == $attr[‘link’] ? wp_get_attachment_link($id, $size, false, false) : wp_get_attachment_link($id, $size, true, false);
$output .= “<{$itemtag} class=’gallery-item’>”;
$output .= “
<{$icontag} class=’gallery-icon’>
$link
</{$icontag}>”;
if ( $captiontag && trim($attachment->post_excerpt) ) {
$output .= “
<{$captiontag} class=’wp-caption-text gallery-caption’>
“ . wptexturize($attachment->post_excerpt) . “
</{$captiontag}>”;
}
$output .= “</{$itemtag}>”;
if ( $columns > 0 && ++$i % $columns == 0 )
$output .= ‘<br style=”clear: both” />’;
}
$output .= “
<br style=’clear: both;’ />
</div>n”;
return $output;
}
|
示例三：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* JUST ADD THIS CODE TO YOUR THEMES functions.php */
/* Customize the last half, the output half to suit your projects needs */
add_filter(‘post_gallery’, ‘my_post_gallery’, 10, 2);
function my_post_gallery($output, $attr) {
global $post;
if (isset($attr[‘orderby’])) {
$attr[‘orderby’] = sanitize_sql_orderby($attr[‘orderby’]);
if (!$attr[‘orderby’])
unset($attr[‘orderby’]);
}
extract(shortcode_atts(array(
‘order’ => ‘ASC’,
‘orderby’ => ‘menu_order ID’,
‘id’ => $post->ID,
‘itemtag’ => ‘dl’,
‘icontag’ => ‘dt’,
‘captiontag’ => ‘dd’,
‘columns’ => 3,
‘size’ => ‘thumbnail’,
‘include’ => ”,
‘exclude’ => ”
), $attr));
$id = intval($id);
if (‘RAND’ == $order) $orderby = ‘none’;
if (!empty($include)) {
$include = preg_replace(‘/[^0-9,]+/’, ”, $include);
$_attachments = get_posts(array(‘include’ => $include, ‘post_status’ => ‘inherit’, ‘post_type’ => ‘attachment’, ‘post_mime_type’ => ‘image’, ‘order’ => $order, ‘orderby’ => $orderby));
$attachments = array();
foreach ($_attachments as $key => $val) {
$attachments[$val->ID] = $_attachments[$key];
}
}
if (empty($attachments)) return ”;
// Here’s your actual output, you may customize it to your needs
$output = “<div class=”slideshow-wrapper”>n”;
$output .= “<div class=”preloader”></div>n”;
$output .= “<ul data-orbit>n”;
// Now you loop through each attachment
foreach ($attachments as $id => $attachment) {
// Fetch the thumbnail (or full image, it’s up to you)
// $img = wp_get_attachment_image_src($id, ‘medium’);
// $img = wp_get_attachment_image_src($id, ‘my-custom-image-size’);
$img = wp_get_attachment_image_src($id, ‘full’);
$output .= “<li>n”;
$output .= “<img src=”{$img[0]}” width=”{$img[1]}” height=”{$img[2]}” alt=”” />n”;
$output .= “</li>n”;
}
$output .= “</ul>n”;
$output .= “</div>n”;
return $output;
}
|
WordPress 获取附件图片的标题、说明、代替文本、图像描述
get_post_meta 函数是用来取出自定义字段的值的函数，那么在附件图片中代替文本信息就是一个自定义的值。然后叶子以为图像描述也是自定义的值，结果在wp_postmeta没有发现。
获取图片标题
|
1
|
get_the_title( $post_id)
|
获取图片的代替文本
|
1
|
get_post_meta( $post_id, ‘_wp_attachment_image_alt’, true )
|
获取图片描述
|
1
|
get_the_content( $post_id)
|
获取图片说明
|
1
|
get_the_excerpt($post_id)
|
|
1
2
3
4
|
$alt = get_post_meta($attachment->ID, ‘_wp_attachment_image_alt’, true);
$image_title = $attachment->post_title;
$caption = $attachment->post_excerpt;
$description = $image->post_content;
|
https://stackoverflow.com/questions/15581674/get-image-caption-from-meta-box-query
WordPress 去除图片img标签的高度与宽度
WordPress 去除图片img标签的高度与宽度
|
1
2
3
4
5
6
|
add_filter( ‘post_thumbnail_html’, ‘remove_width_attribute’, 10 );
add_filter( ‘image_send_to_editor’, ‘remove_width_attribute’, 10 );
function remove_width_attribute( $html ) {
$html = preg_replace( ‘/(width|height)=”d*”s/’, “”, $html );
return $html;
}
|
wordpress图片img去除样式及长宽属性width、height、class
|
1
2
3
4
5
6
7
8
9
10
|
//remove insert images attribute
//add_filter( ‘the_content’, ‘fanly_remove_images_attribute’, 99 );
add_filter( ‘post_thumbnail_html’, ‘fanly_remove_images_attribute’, 10 );
add_filter( ‘image_send_to_editor’, ‘fanly_remove_images_attribute’, 10 );
function fanly_remove_images_attribute( $html ) {
//$html = preg_replace( ‘/(width|height)=”d*”s/’, “”, $html );
$html = preg_replace( ‘/width=”(d*)”s+height=”(d*)”s+class=”[^”]*”/’, “”, $html );
$html = preg_replace( ‘/ /’, “”, $html );
return $html;
}
|
来源：
https://wordpress.stackexchange.com/questions/140681/how-to-get-clean-code-for-a-gallery
https://stackoverflow.com/questions/14585538/customise-the-wordpress-gallery-html-layout
https://gist.github.com/radiovisual/9070765
https://www.itbook5.com/2018/12/6504/
类别：WordPress开发、
本文收集自互联网，转载请注明来源。
如有侵权，请联系 wper_net@163.com 删除。
猜你喜欢GUESS YOU LIKE
还没有任何评论，赶紧来占个楼吧！