问题描述
我是WP Rest API的新手。只是尝试创建自定义元字段并检索它们。我创建了一个简单的插件，用于在Post Edit屏幕上注册Meta值和MetaBox，效果很好。
<?PHP
/**
* @package api_testing
* @version 1.0.0
*/
/*
Plugin Name: API Testing
Plugin URI: http://example.com/
Description: The beginning of an awesome plugin
Author: Me
Version: 1.0.0
Author URI: http://example.com/
*/
function generate_press_type() {
$labels = array(
'name' => 'Press Articles','singular_name' => 'Press',);
$args = array(
'label' => 'Press','labels' => $labels,'supports' => array( 'title','editor','custom-fields','thumbnail' ),'taxonomies' => array( 'category','post_tag' ),'hierarchical' => false,'public' => true,'capability_type' => 'post','show_in_rest' => true,'rest_base' => 'press-articles','rewrite' => true,'rewrite_slug' => '',);
register_post_type( 'press_article',$args );
}
add_action( 'init','generate_press_type',0 );
function create_Meta() {
$args1 = array(
'type' => 'string',// Validate and sanitize the Meta value as a string.
// In 4.7 one of 'string','boolean','integer','number' must be used as 'type'.
'description' => 'A Meta key associated with a string Meta value.',// Shown in the schema for the Meta key.
'single' => true,// Return a single value of the type. Default: false.
'show_in_rest' => true,// Show in the WP REST API response. Default: false.
);
register_Meta( 'post','wporg_field',$args1 );
}
function wporg_add_custom_Box() {
$screens = [ 'post','wporg_cpt' ];
foreach ( $screens as $screen ) {
add_Meta_Box(
'wporg_Box_id',// Unique ID
'Custom Meta Box Title',// Box title
'wporg_custom_Box_html',// Content callback,must be of type callable
$screen // Post type
);
}
}
add_action( 'add_Meta_Boxes','wporg_add_custom_Box' );
function wporg_custom_Box_html( $post ) {
$value = get_post_meta( $post->ID,'_wporg_Meta_key',true );
?>
<label for="wporg_field">Description for this field</label>
<select name="wporg_field" id="wporg_field" class="postBox">
<option value="">Select something...</option>
<option value="something" <?PHP selected( $value,'something' ); ?>>Something</option>
<option value="else" <?PHP selected( $value,'else' ); ?>>Else</option>
</select>
<?PHP
}
function wporg_save_postdata( $post_id ) {
if ( array_key_exists( 'wporg_field',$_POST ) ) {
update_post_Meta(
$post_id,$_POST['wporg_field']
);
}
}
add_action( 'save_post','wporg_save_postdata' );
{
"id": 1172,"date": "2019-09-20T17:50:23","date_gmt": "2019-09-21T00:50:23","guid": {
"rendered": "http://example.com/?p=1172"
},"modified": "2020-11-08T08:56:43","slug": "review-ensemble-fanaas-self-titled-debut-record","status": "publish","type": "post","link": "http://example.com/review-ensemble-fanaas-self-titled-debut-record/","title": {
"rendered": "Review: Ensemble Fanaa’s Self-titled Debut Record"
},"content": {
"rendered": "<blockquote class=\"wp-embedded-content\" data-secret=\"LyNp7sCidr\"><p><a href=\"https://www.jazzrightNow.com/review-ensemble-fanaas-self-titled-debut-record/\">Review: Ensemble Fanaa’s Self-titled Debut Record</a></p></blockquote>\n<p><iframe class=\"wp-embedded-content\" sandBox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px,1px,1px);\" title=\"“Review: Ensemble Fanaa’s Self-titled Debut Record” — Jazz Right Now\" src=\"https://www.jazzrightNow.com/review-ensemble-fanaas-self-titled-debut-record/embed/#?secret=LyNp7sCidr\" data-secret=\"LyNp7sCidr\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"></iframe></p>\n","protected": false
},"excerpt": {
"rendered": "<p>Review: Ensemble Fanaa’s Self-titled Debut Record</p>\n","Meta": [],<------
"categories": [
12
],"tags": [],}
我在做什么错？我没有正确注册吗？
解决方法
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