我正在设置一个插件，该插件需要将一个变量从独立的jQuery文件传递到选项。php。我已经（我认为）设置了要在插件文件中使用的脚本，如下所示：

function ndw_js_init(){
    wp_enqueue_script(\'jquery\');
    wp_register_script( \'ndw_js\', plugin_dir_url( __FILE__ ) . \'/ndw_js.js\', array( \'jquery\' ), \'\', true );
    wp_enqueue_script( \'ndw_js\', plugin_dir_url( __FILE__ ) . \'/ndw_js.js\', array(), \'1.0.0\', true);
    $scriptdata = array(\'admin_ajax\' => admin_url( \'admin-ajax.php\' ));
    wp_localize_script( \'ndw_js\', \'toremove\', $scriptdata);
}
add_action(\'admin_init\', \'ndw_js_init\');

我要解决的问题是jQuery文件。该变量在单击时传递。到目前为止，我有一个工作正常的（使用alert（）进行测试）：

$(\'tr td .widget-remove a\').click(function(){
     var toremove = $(this).attr(\'rel\');
     var url = \'options.php\'; // EDIT: Actualy, is this right? Or should the data be passed to the name of my plugin main page I wonder
     // Out of ideas
});

因此，我需要的是帮助使用正确的AJAX语法将var“toremove”的值传递给“options”。php“然后在”选项中执行某些操作。php”，使用“toremove”的值。

希望这有意义！

EDIT No.1:

好的，在使用你们提供的不同设置后，我有一个（半）功能脚本：

function ndw_js_init(){
    wp_register_script( \'ndw_js\', plugin_dir_url( __FILE__ ) . \'/ndw_js.js\', array( \'jquery\' ), \'\', true );
    wp_enqueue_script( \'ndw_js\' ); // not working without this
    wp_localize_script( \'ndw_js\', \'toremove\', array(\'ajaxurl\' => admin_url( \'admin-ajax.php\' )));
}
add_action(\'admin_init\', \'ndw_js_init\');

没有这些设置nothing 作品在我的外部js文件中，我现在有：

$(\'tr td .widget-remove a\').click(function(){
        var toremove = $(this).attr(\'rel\');
        $.ajax({
            type: \'POST\', 
            dataType: \'json\',
            url: ajaxurl, 
            data: {
                nonce : toremove.nonce,
                toremove : toremove
            },
            complete: function( data ){
                alert(toremove + " ding!");
            }
        });
    });

这是可行的，但只适用于jQuery代码。在“我的插件设置”页面的“管理”区域中，使用正确的id号和单词“ding！”，单击会触发警报。

回到我的插件设置页面，我添加了以下内容（感谢@MMK）：

function ndw_ajax_function(){            
    $toremove = $_POST[\'toremove\'];
    echo "To remove: " . $toremove;
}

add_action(\'wp_ajax_my_ajax_action\', \'ndw_ajax_function\' );

确实如此not 工作时，我查看生成的源，但不显示回显行。然而，我不确定在最后的添加操作中wp_ajax_my_ajax_action 指。

function ndw_js_init(){
    wp_register_script( \'ndw_js\', plugin_dir_url( __FILE__ ) . \'/ndw_js.js\', array( \'jquery\' ), \'\', true );
    wp_enqueue_script( \'ndw_js\' );
    wp_localize_script( \'ndw_js\', \'removeid\', array(\'ajaxurl\' => admin_url( \'admin-ajax.php\' )));
}
add_action(\'admin_init\', \'ndw_js_init\');

$(\'tr td .widget-remove a\').click(function(){
    var toremove = $(this).attr(\'rel\');
    $.ajax({
        url: removeid.ajaxurl,
        data:{
            \'action\' : \'ndw_ajax_function\',
            \'passiton\' : toremove
        },
        success: function( data ){
            $(\'.widget-remove\').html(data);
        }
    });
});

function ndw_ajax_function(){
    $toremove = $_REQUEST[\'passiton\'];
    echo $toremove;
    die();
}
add_action(\'wp_ajax_ndw_ajax_function\', \'ndw_ajax_function\' );
add_action( \'wp_ajax_nopriv_ndw_ajax_function\', \'ndw_ajax_function\' );

$(\'tr td .widget-remove a\').click(function(){
    var toremove = $(this).attr(\'rel\');
    // Out of ideas     -     you shouldn\'t really be for we are here!
    $.ajax({
        type: \'POST\',         // use the method you want
        dataType: \'json\',
        url: ajaxurl,        // this is the url to the admin ajax script
        data: {
            nonce : your_script_data_object.nonce,
            toremove: toremove
        },
        complete: function( object ){
            // do what you want here when the ajax requests completes
        }
    });
});

add_action(\'wp_ajax_my_ajax_action\', \'my_ajax_function\' );

add_action(\'wp_ajax_my_ajax_action\', array( $this, \'my_ajax_function\' ) );

function my_ajax_function(){            
    // do what you want here - the world is open to you
    $toremove = $_POST[\'toremove\'];
    // Any other thing you want to do
    wp_send_json_success( array( \'AnyDataYouWantToSend\' => $your_data ) );
}

function ndw_js_init(){
    wp_register_script( \'ndw_js\', plugin_dir_url( __FILE__ ) . \'/ndw_js.js\', array( \'jquery\' ), \'\', true );
    wp_enqueue_script( \'ndw_js\' );
    wp_localize_script( \'ndw_js\', \'toremove\' );
}
add_action(\'admin_init\', \'ndw_js_init\');

wp_enqueue_script(\'jquery\');