WordPress最新评论小工具带头像带气泡纯代码实现方法

// 最新评论带头像评论
add_action('widgets_init', create_function('', 'return register_widget("widget_newcomments");'));
class widget_newcomments extends WP_Widget {
	function widget_newcomments() {
		$option = array('classname' => 'widget_newcomments', 'description' => '显示网友最新评论（头像+名称+评论）' );
		$this->WP_Widget(false, '最新评论 ', $option);
	}
	function widget($args, $instance) {
		extract($args, EXTR_SKIP);
		echo $before_widget;
		$title = empty($instance['title']) ? '最新评论' : apply_filters('widget_title', $instance['title']);
		$count = empty($instance['count']) ? '5' : apply_filters('widget_count', $instance['count']);
 
		echo $before_title . $title . $after_title;
		echo '<ul class="newcomments">';
		echo newcomments( $count );
		echo '</ul>';
		echo $after_widget;
	}
	function update($new_instance, $old_instance) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['count'] = strip_tags($new_instance['count']);
		return $instance;
	}
	function form($instance) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => '' ) );
		$title = strip_tags($instance['title']);
		$count = strip_tags($instance['count']);
 
		echo '<p><la bel>标题：<in put  id="'.$this-></in>get_field_id('title').'" name="'.$this->get_field_name('title').'" type="text" value="'.attribute_escape($title).'" size="24" /></la></p>';
		echo '<p><label>数目：<input id="'.$this-/>get_field_id('count').'" name="'.$this->get_field_name('count').'" type="text" value="'.attribute_escape($count).'" size="3" /></label></p>';
	}
}
 
function newcomments( $limit ){
	global $wpdb;
  	$sql = "SELECT ID, post_title, comment_ID, comment_author,comment_author_email,comment_date,comment_content FROM $wpdb->comments LEFT OUTER JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID  = $wpdb->posts.ID) WHERE comment_approved = '1' AND comment_type = '' AND post_password = '' ORDER BY comment_date_gmt DESC LIMIT $limit";
	$comments = $wpdb->get_results($sql);
	foreach ( $comments as $comment ) {
		$output .= "< li>" . get_avatar($comment->comment_author_email,32) ."<div class='rcomment'><stron g>".$comment->comment_author."&nbsp;&nbsp;" .human_time_diff(strtotime($comment->comment_date), current_time('timestamp'))."前&nbsp;&nbsp;在&nbsp;&nbsp;<a href='". get_comment_link($comment->comment_ID) . "' title=' " . $comment->post_title .  "'> " . $comment->post_title .  "</a>&nbsp;&nbsp;评论：<div class='box'><span class='jt'>◆<span class='jt2'>◆</span></span>". convert_smilies($comment->comment_content)."</div></stron></div>";
	}
	echo $output;
};

.newcomments div.rcomment{margin-left:50px;}
.newcomments div.box{background-color:#EEEEEE;position:relative;border:1px solid #CCCCCC;padding: 5px;border-radius: 5px;}
.newcomments div.box .jt{position:absolute;color:#CCCCCC;left:50px;top:-12px;font-size:22px;line-height: 24px;font-family:arial,verdana,sans-serif;}
.newcomments div.box .jt2{position:absolute;color:#EEEEEE;top:1px;left:0;}