Ajax调用WordPress中方法

ajax调用wordpress函数 ajax调用wordpress functions.php中创建方法 updateCont ,老年人记忆系列！！！

wordpress functions.php中创建方法 updateCont

添加方法 wp_ajax_ {action}未登录调用

添加方法 wp_ajax_nopriv_{action}登录调用

function updateCont(){
    global $wpdb;
    $post_id = $_POST['post_id'];
    $key = $_POST['key'];
    $value = $_POST['value'];
 
    update_post_meta($post_id, $key, $value);
    echo $value;
    die();
}
add_action('wp_ajax_updateCont', 'updateCont');
add_action('wp_ajax_nopriv_updateCont', 'updateCont');

jquery

jQuery.ajax({
            type:"POST",
            url: "<?php echo admin_url('admin-ajax.php'); ?>",
            data: {"post_id":<?php echo get_the_ID();?>, 
            "action": "updateCont","key":"top_left_content", "value":"new content"},
            success:function(data){
                console.log(data);// is 0
            }
        });