我试图用一个简单的例子来使用ajax，我的例子来自：http://ocaoimh.ie/2008/11/01/make-your-wordpress-plugin-talk-ajax/ 示例N°5（实际情况并非如此）

因此，我只是想从位于/wp-content/ajax-php中的php页面获得结果。php，但除了警报之外，似乎什么都没有反应。如果你看到什么不对劲，你能看一下告诉我吗

<?php
            /*
            Plugin Name: ajax with images
            Plugin URI: http://ocaoimh.ie/
            Description: A simple hello world plugin, taken from <a href="http://jquery.bassistance.de/jquery-getting-started.html#rate">here</a>
            Version: 0.1
            Author: Donncha O Caoimh
            Author URI: http://ocaoimh.ie/
            */

            function helloworld5_scripts() {
                    global $current_user;
                    if( !$current_user->ID )
                            return;
                    if( is_single() ) {
                            wp_enqueue_script(\'jquery\');
                    }
            }
            add_action( \'wp_print_scripts\', \'helloworld5_scripts\');

            function helloworld5_head() {
                    global $current_user;
                    if( !$current_user->ID )
                            return;
                    if( !is_single() )
                            return;
                    ?>
            <script  type=\'text/javascript\'>
            <!--
            var currentpost = \'\';
            jQuery(document).ready(function() {
                    // generate markup
                    var ratingMarkup = ["Please rate: "];
                    for(var i=1; i <= 5; i++) {
                            ratingMarkup[ratingMarkup.length] = "<a href=\'#\'>" + i + "du-texte-pour-tester</a> ";
                    }
                    // add markup to container and applier click handlers to anchors
                    jQuery("#rating").append( ratingMarkup.join(\'\') ).find("a").click(function(e) {
                            //e.preventDefault();
                            // send requests
                            alert(\'ok\');
                            jQuery.post("/wp-content/ajax-php.php", {rating: jQuery(this).html()}, function(data) {
                                    jQuery("#rating").append(data+\' : hello \');
                            } );
                            return false;
                    });
            });
            // -->
            </script>
                    <?php
            }
            add_action( \'wp_head\', \'helloworld5_head\' );

            function add_thumb_to_post( $content ) {
                    global $post;
                    global $current_user;
                    if( !$current_user->ID )
                            return $content;
                    if( !is_single() )
                            return $content;
                    return $content . "<p><div id=\'rating\'></div></p><script type=\'text/javascript\'>\\n<!--\\ncurrentpost=\'{$post->ID}\';\\n//-->\\n</script>";
            }
            add_action( \'the_content\', \'add_thumb_to_post\' );
            ?>