我有一个搜索页面，用户的搜索结果按邮政编码或县名显示。在搜索页面上，我有一个复选框，可以按属性过滤用户，如开发者、设计师和帐户，因此访问者可以按属性过滤邮政编码的用户。所有字段均由高级自定义字段创建。我正在通过ajax显示用户数据。但不知道问题出在哪里。请帮忙

这是要显示复选框字段的表单。

        <div class="sectionContent filter_list">
            <?php 
                acf_form([
                    \'field_groups\' => [\'50\'],
                    \'fields\' => [\'category\', 
                                \'type_of_session\', 
                                \'wheelchair_access\', 
                                \'telephone_life_coaching\', 
                                \'face_to_face_life_coaching\',
                                \'home_visits\',
                                \'sign_language\',
                            ],
                    \'form\' => false
                ])
            ?>
        </div> 

    <script>
    jQuery(function($){
        $(\'.filter_list input\').on(\'change\', function()
        {
            var url = \'<?php echo admin_url( \'admin-ajax.php\' ); ?>?action=find_coach\';
            $(\'.filter_list input\').each(function()
            {
                var thisVal, metaKey;

                                if($(this).prop(\'checked\') == true)
                                {
                                    thisVal = $(this).val();
                                    //may be the problem in metakey
                                    metaKey = getParamFromUrl(\'pin_code\');
                                    url += \'&acf[\'+metaKey+\'][]=\'+thisVal;
                                }


            });

            $.get(url, function(res){
                $.each(res, function(key, val){
                    $user_row = \'<div data-template="member" class="member">\\
                        <div class="user">\\
                            <div class="article_left">\\
                                <a href="\'+val.user_url+\'"><img src="\'+val.avatar+\'"></a>\\
                            </div>\\
                            <div class="article_right">\\
                                <div class="profile-display-address">\\
                                    <h2 class="member-name">\\
                                        <a href="\'+val.user_url+\'">\'+val.display_name+\'</a>\\
                                    </h2>\\
                                    <div class="col-6">\'+val.address+\'</div>\\
                                    <div class="col-6">\'+val.address_2+\'</div>\\
                                    <div class="col-6">\'+val.pin_code+\'</div>\\
                                </div>\\
                                <div class="contact-form contact-links"><a href="#">Contact me</a></div>\\
                            </div>\\
                        <div class="button-profile"><a class="button whitebg" href="\'+val.user_url+\'">View profile</a></div>\\
                    </div>\';
                    document.getElementById(\'member_list\').innerHTML = $user_row;
                });
            });
        }); 

        $(\'.filter_list input\').each(function(){
            //checkbox handling
            if($(this).prop(\'tagName\') == \'INPUT\' && $(this).attr(\'type\') == \'checkbox\'){
                var val = getParamFromUrl($(this).attr(\'name\'))
                if(val.indexOf($(this).val()) > -1){
                    $(this).prop(\'checked\', true);
                }
            }
        });     
    });

    function getParamFromUrl(name){
        var url = new URL(window.location.href);
        var c = url.searchParams.getAll(name);
        return c;
    }
</script>

    add_action(\'wp_ajax_search_coach\', \'searchLifeCoach\');
     add_action(\'wp_ajax_nopriv_search_coach\', \'searchLifeCoach\');
     function searchLifeCoach(){
     //print_R($_GET);
     $metaData = [];

     $fields = acf_get_fields($field_group_key);
    if(isset($_GET[\'acf\']) && !empty($_GET[\'acf\'])){
        foreach($_GET[\'acf\'] as $key => $field){
            $metaData[] = [
                \'key\'   => $key,
                \'value\' => $field,
                \'compare\' => is_array($field) ? \'LIKE\' : \'=\' 
            ];
        }
    }

    $args = array (
        \'order\'      => \'ASC\',
        \'orderby\'    => \'display_name\', 
        \'role__not_in\' => \'administrator\',
        //\'fields\' => \'all_with_meta\', 
        \'meta_query\' => array(
            \'relation\' => \'OR\',
            array(
                \'key\'     => \'pincode\',
                \'value\'   => sanitize_text_field($_GET[\'city\']),
                \'compare\' => \'=\'
            ),
            array(
                \'key\'     => \'city\',
                \'value\'   => sanitize_text_field($_GET[\'city\']),
                \'compare\' => \'=\'
            ),
        ),
        \'meta_query\' => array(
            \'relation\' => \'AND\',
            $metaData
        )
    );

    // Create the WP_User_Query object
    $wp_user_query = new WP_User_Query( $args );
    //echo \'<pre>\'; print_r($wp_user_query); echo \'</pre>\';
    // Get the results
    $authors = $wp_user_query->get_results();

    foreach($authors as $author){
        $userMeta = get_user_meta($author->data->ID);
        //echo \'<pre>\'; print_r($userMeta); echo \'</pre>\';
        $userList[] = [
            \'uid\' => $author->data->ID,
            \'display_name\' => $author->data->display_name,
            \'email\' => $author->data->user_email,
            \'user_url\' => $author->data->user_url,
            \'avatar\' => (isset($userMeta[\'avatar\']) ? wp_get_attachment_url($userMeta[\'avatar\'][0]) : \'\'),
            \'first_name\' => (isset($userMeta[\'first_name\']) ? $userMeta[\'first_name\'][0] : \'\'),
            \'last_name\' => (isset($userMeta[\'last_name\']) ? $userMeta[\'last_name\'][0] : \'\'),
            \'user_phone\' => (isset($userMeta[\'phone\']) ? $userMeta[\'phone\'][0] : \'\'),
            \'address\' => (isset($userMeta[\'address\']) ? $userMeta[\'address\'][0] : \'\'),
            \'address_2\' => (isset($userMeta[\'address_2\']) ? $userMeta[\'address_2\'][0] : \'\'),
            \'pin_code\' => (isset($userMeta[\'pin_code\']) ? $userMeta[\'pin_code\'][0] : \'\'),
            \'age\' => (isset($userMeta[\'age\']) ? $userMeta[\'age\'][0] : \'\'),
            \'bio\' => (isset($userMeta[\'coach_bio\']) ? $userMeta[\'coach_bio\'][0] : \'\'),
            \'city\' => (isset($userMeta[\'city\']) ? $userMeta[\'city\'][0] : \'\'),
            \'city_2\' => (isset($userMeta[\'city_2\']) ? $userMeta[\'city_2\'][0] : \'\'),
            \'zip_code_2\' => (isset($userMeta[\'zip_code_2\']) ? $userMeta[\'zip_code_2\'][0] : \'\'),
            \'zip_code_2\' => (isset($userMeta[\'zip_code_2\']) ? $userMeta[\'zip_code_2\'][0] : \'\'),
        ];
    }
    return wp_send_json($userList);
    exit();
}