我有一个自定义的帖子类型，叫做；注释；并在该帖子类型上激活了一个名为“的高级自定义字段”；page\\u link（第页链接）；。我想使用REST API添加/编辑page\\u link的值，但我无法做到。我只能编辑标题和内容等本机字段。在我的控制台中，成功后，noteLink存在，但等于；空；。
我有如下html：
<div class="mb-3">
<label for="formInput1" class="form-label">Title</label>
<input id="formInput1" class="new-note-title form-control" placeholder="Title">
</div>
<div class="mb-3">
<label for="formTextarea1" class="form-label">Content</label>
<textarea id="formTextarea1" name="" class="new-note-body form-control" placeholder="Content"></textarea>
</div>
<div class="mb-3">
<label for="formInput2" class="form-label">Link</label>
<input id="formInput2" class="new-note-link form-control" placeholder="Link">
</div>
javascript：
createNote(e) {
var ourNewPost = {
\'title\': $(".new-note-title").val(),
\'noteLink\': $(".new-note-link").val(),
\'content\': $(".new-note-body").val(),
\'status\': \'publish\'
}
$.ajax({
beforeSend: xhr => {
xhr.setRequestHeader("X-WP-Nonce", myData.nonce)
},
url: myData.root_url + "/wp-json/wp/v2/note/",
type: "POST",
data: ourNewPost,
success: response => {
//location.reload()
console.log("Congrats")
console.log(response)
},
error: response => {
console.log("Sorry")
console.log(response)
}
})
}
注册帖子类型如下：
function custom_post_types() {
register_post_type(\'note\', array(
\'capability_type\' => \'note\',
\'map_meta_cap\' => true,
\'show_in_rest\' => true,
\'supports\' => array(\'title\', \'editor\', \'advanced-custom-fields\'),
\'public\' => false,
\'show_ui\' => true,
\'labels\' => array(
\'name\' => \'Notes\',
\'add_new_item\' => \'Add New Note\',
\'edit_item\' => \'Edit Note\',
\'all_items\' => \'All Notes\',
\'singular_name\' => \'Note\'
),
\'menu_icon\' => \'dashicons-welcome-write-blog\'
));
}
我的函数上的register\\u rest\\u字段。php如下所示：
function custom_rest(){
register_rest_field(\'note\', \'noteLink\', array(
\'get_callback\' => function(){return get_field(\'page_link\');}
));
}
add_action("rest_api_init", \'custom_rest\');
最合适的回答,由SO网友:stokesman 整理而成
I think the only thing missing here is an update_callback in the call to register_rest_field.
register_rest_field( \'note\', \'noteLink\', array(
\'get_callback\' => function(){ return get_field(\'page_link\'); },
\'update_callback\' => function( $value, $post ){
update_field(\'field_619dacfd37924\', $value, $post->ID );
}
));
An important part of that according to ACF docs is using the field key to update the value when there is no value yet set.
The field’s key should be used when saving a new value to a post (when no value exists). This helps ACF create the correct ‘reference’ between the value and the field’s settings.
The field’s key can be found while editing the field group though you may need turn on the option to show "Field Keys" within "Screen Options" if you haven\'t done so already. Then look for the "Key" column in the table of the fields. Here\'s what I see.
On a separate note, when registering the post type, the supports property can be cleaned up to just:
\'supports\' => array(\'title\', \'editor\'),
Having \'advanced-custom-fields\' in there doesn\'t do anything.
