我已经创建了一个脚本来为所有类别插入自定义字段图像，并且数据库条目也可以。
现在，当我转到媒体库时，它仅加载我的最新图像，而旧图像则不显示。微调器继续旋转，并且Ajax调用变为无限。
答案 0 :(得分：0)
有很多原因会使旧的图像加载失败。请打开“调试模式”并检查“调试日志”并在此处共享信息，以便我们为您提供帮助。
答案 1 :(得分：0)
<?php
add_action( 'business_add_form_fields', 'add_category_image', 10, 2 );
add_action( 'created_business', 'save_category_image', 10, 2 );
add_action( 'business_edit_form_fields','update_category_image', 10, 2 );
add_action( 'edited_business','updated_category_image', 10, 2 );
add_action( 'admin_enqueue_scripts', 'load_media');
add_action( 'admin_footer', 'add_script');
function load_media() {
if( ! isset( $_GET['taxonomy'] ) || $_GET['taxonomy'] != 'business' ) {
return;
}
wp_enqueue_media();
}
function add_category_image( $taxonomy ) { ?>
<div class="form-field term-group">
<label for="showcase-taxonomy-extra-detail-id"><?php _e( 'Business Extra Details', 'launchpm' ); ?></label>
<input type="text" id="showcase-taxonomy-extra-detail-id" name="showcase-taxonomy-extra-detail-id" class="" value="">
</div>
<div class="form-field term-group">
<label for="showcase-taxonomy-image-id"><?php _e( 'Image', 'launchpm' ); ?></label>
<input type="hidden" id="showcase-taxonomy-image-id" name="showcase-taxonomy-image-id" class="custom_media_url" value="">
<div id="category-image-wrapper"></div>
<p>
<input type="button" class="button button-secondary showcase_tax_media_button" id="showcase_tax_media_button" name="showcase_tax_media_button" value="<?php _e( 'Add Image', 'launchpm' ); ?>" />
<input type="button" class="button button-secondary showcase_tax_media_remove" id="showcase_tax_media_remove" name="showcase_tax_media_remove" value="<?php _e( 'Remove Image', 'launchpm' ); ?>" />
</p>
</div>
<?php }
/**
* Edit the form field
* @since 1.0.0
*/
function update_category_image( $term, $taxonomy ) { ?>
<tr class="form-field term-group-wrap">
<th scope="row">
<label for="showcase-taxonomy-extra-detail-id"><?php _e( 'Business Extra Details', 'launchpm' ); ?></label>
</th>
<td>
<?php $extra_detail = get_term_meta( $term->term_id, 'showcase-taxonomy-extra-detail-id', true ); ?>
<input type="text" id="showcase-taxonomy-extra-detail-id" name="showcase-taxonomy-extra-detail-id" value="<?php echo $extra_detail ; ?>">
</td>
</tr>
<tr class="form-field term-group-wrap">
<th scope="row">
<label for="showcase-taxonomy-image-id"><?php _e( 'Image', 'launchpm' ); ?></label>
</th>
<td>
<?php $image_id = get_term_meta( $term->term_id, 'showcase-taxonomy-image-id', true ); ?>
<input type="hidden" id="showcase-taxonomy-image-id" name="showcase-taxonomy-image-id" value="<?php echo esc_attr( $image_id ); ?>">
<div id="category-image-wrapper">
<?php if( $image_id ) { ?>
<?php echo wp_get_attachment_image( $image_id, 'thumbnail' ); ?>
<?php } ?>
</div>
<p>
<input type="button" class="button button-secondary showcase_tax_media_button" id="showcase_tax_media_button" name="showcase_tax_media_button" value="<?php _e( 'Add Image', 'showcase' ); ?>" />
<input type="button" class="button button-secondary showcase_tax_media_remove" id="showcase_tax_media_remove" name="showcase_tax_media_remove" value="<?php _e( 'Remove Image', 'showcase' ); ?>" />
</p>
</td>
</tr>
<?php }
/**
* Save the form field
* @since 1.0.0
*/
function save_category_image( $term_id, $tt_id ) {
if( isset( $_POST['showcase-taxonomy-image-id'] ) && '' !== $_POST['showcase-taxonomy-image-id'] ){
add_term_meta( $term_id, 'showcase-taxonomy-image-id', absint( $_POST['showcase-taxonomy-image-id'] ), true );
}
if( isset( $_POST['showcase-taxonomy-extra-detail-id'] ) && '' !== $_POST['showcase-taxonomy-extra-detail-id'] ){
add_term_meta( $term_id, 'showcase-taxonomy-extra-detail-id', $_POST['showcase-taxonomy-extra-detail-id'] , true );
}
}
/**
* Update the form field value
* @since 1.0.0
*/
function updated_category_image( $term_id, $tt_id ) {
if( isset( $_POST['showcase-taxonomy-image-id'] ) && '' !== $_POST['showcase-taxonomy-image-id'] ){
update_term_meta( $term_id, 'showcase-taxonomy-image-id', absint( $_POST['showcase-taxonomy-image-id'] ) );
} else {
update_term_meta( $term_id, 'showcase-taxonomy-image-id', '' );
}
if( isset( $_POST['showcase-taxonomy-extra-detail-id'] ) && '' !== $_POST['showcase-taxonomy-extra-detail-id'] ){
update_term_meta( $term_id, 'showcase-taxonomy-extra-detail-id', $_POST['showcase-taxonomy-extra-detail-id'] );
} else {
update_term_meta( $term_id, 'showcase-taxonomy-extra-detail-id', '' );
}
}
/**
* Enqueue styles and scripts
* @since 1.0.0
*/
function add_script() {
if( ! isset( $_GET['taxonomy'] ) || $_GET['taxonomy'] != 'business' ) {
return;
} ?>
<script> jQuery(document).ready( function($) {
_wpMediaViewsL10n.insertIntoPost = '<?php _e( "Insert", "showcase" ); ?>';
function ct_media_upload(button_class) {
var _custom_media = true, _orig_send_attachment = wp.media.editor.send.attachment;
$('body').on('click', button_class, function(e) {
var button_id = '#'+$(this).attr('id');
var send_attachment_bkp = wp.media.editor.send.attachment;
var button = $(button_id);
_custom_media = true;
wp.media.editor.send.attachment = function(props, attachment){
if( _custom_media ) {
$('#showcase-taxonomy-image-id').val(attachment.id);
$('#category-image-wrapper').html('<img class="custom_media_image" src="" style="margin:0;padding:0;max-height:100px;float:none;" />');
$( '#category-image-wrapper .custom_media_image' ).attr( 'src',attachment.url ).css( 'display','block' );
} else {
return _orig_send_attachment.apply( button_id, [props, attachment] );
}
}
wp.media.editor.open(button); return false;
});
}
ct_media_upload('.showcase_tax_media_button.button');
$('body').on('click','.showcase_tax_media_remove',function(){
$('#showcase-taxonomy-image-id').val('');
$('#category-image-wrapper').html('<img class="custom_media_image" src="" style="margin:0;padding:0;max-height:100px;float:none;" />');
});
$(document).ajaxComplete(function(event, xhr, settings) {
var queryStringArr = settings.data.split('&');
if( $.inArray('action=add-tag', queryStringArr) !== -1 ){
var xml = xhr.responseXML;
$response = $(xml).find('term_id').text();
if($response!=""){
// Clear the thumb image
$('#category-image-wrapper').html('');
}
}
});
});
</script>
<?php }