我想编辑此小部件以显示当前类别中的相关帖子。下面的代码仅显示我必须手动选择的类别中的帖子。我想做的是，这个小部件显示来自该类别的相关帖子。谢谢你的帮助

add_action( \'widgets_init\', \'catposts_load_widgets\' );

function catposts_load_widgets() {
    register_widget( \'Catposts_Widget\' );
}

class Catposts_Widget extends WP_Widget {

    function Catposts_Widget() {
        /* Widget settings. */
        $widget_ops = array( \'classname\' => \'catposts\', \'description\' => __(\'Adds posts from a specific category .\', "solostream") );
        /* Widget control settings. */
        $control_ops = array( \'width\' => 300, \'height\' => 350, \'id_base\' => \'catposts-widget\' );
        /* Create the widget. */
        $this->WP_Widget( \'catposts-widget\', __(\'Category Posts Widget\', "solostream"), $widget_ops, $control_ops );
    }

    function widget( $args, $instance ) {
        global $post;
        $post_old = $post; // Save the post object.

        extract( $args );

        // If no title, use the name of the category.
        if( !$instance["title"] ) {
            $category_info = get_category($instance["cat"]);
            $instance["title"] = $category_info->name;
        }

        // Get array of post info.
        $cat_posts = new WP_Query("showposts=" . $instance["num"] . "&cat=" . $instance["cat"]);

        /* Before widget (defined by themes). */
        echo $before_widget;

        // Widget title
        echo $before_title;
        if( $instance["title_link"] )
            echo \'<a href="\' . get_category_link($instance["cat"]) . \'">\' . $instance["title"] . \'</a>\';
        else
            echo $instance["title"];
        echo $after_title;

        // Post list
        echo "<div class=\'cat-posts-widget\'>\\n";

        while ( $cat_posts->have_posts() )
        {
            $cat_posts->the_post();
        ?>
                <div class="post" id="catpost-<?php the_ID(); ?>">

                    <div class="entry clearfix">

                        <a href="<?php the_permalink() ?>" rel="<?php _e("bookmark", "solostream"); ?>" title="<?php _e("Permanent Link to", "solostream"); ?> <?php the_title(); ?>"><?php include (TEMPLATEPATH . "/post-thumb.php"); ?></a>

                        <p class="post-title"><a href="<?php the_permalink() ?>" rel="<?php _e("bookmark", "solostream"); ?>" title="<?php _e("Permanent Link to", "solostream"); ?> <?php the_title(); ?>"><?php the_title(); ?></a></p>

                        <?php the_excerpt(); ?>

                    </div>

                    <?php include (TEMPLATEPATH . "/postinfo.php"); ?>

                    <div style="clear:both;"></div>

                </div>
        <?php
        }

        echo "</div>\\n";

        echo $after_widget;

        remove_filter(\'excerpt_length\', $new_excerpt_length);

        $post = $post_old; // Restore the post object.
}

    function form($instance) {
    ?>
        <p>
            <label for="<?php echo $this->get_field_id("title"); ?>">
                <?php _e( \'Title\' ); ?>:
                <input class="widefat" id="<?php echo $this->get_field_id("title"); ?>" name="<?php echo $this->get_field_name("title"); ?>" type="text" value="<?php echo esc_attr($instance["title"]); ?>" />
            </label>
        </p>

        <p>
            <label>
                <?php _e( \'Category\' ); ?>:
                <?php wp_dropdown_categories( array( \'name\' => $this->get_field_name("cat"), \'selected\' => $instance["cat"] ) ); ?>
            </label>
        </p>

        <p>
            <label for="<?php echo $this->get_field_id("num"); ?>">
                <?php _e(\'Number of Posts to Show\'); ?>:
                <input style="text-align: center;" id="<?php echo $this->get_field_id("num"); ?>" name="<?php echo $this->get_field_name("num"); ?>" type="text" value="<?php echo absint($instance["num"]); ?>" size=\'3\' />
            </label>
        </p>

        <p>
            <label for="<?php echo $this->get_field_id("title_link"); ?>">
                <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("title_link"); ?>" name="<?php echo $this->get_field_name("title_link"); ?>"<?php checked( (bool) $instance["title_link"], true ); ?> />
                <?php _e( \'Make widget title link\' ); ?>
            </label>
        </p>    

    <?php
    }
}