代码：
wp_link_pages('before=<div class="post-pagenavi">&after=</div>&next_or_number=next&link_before=<span >&link_ofter=</span>');
Css;
.post-pagenavi{ text-align:right;}
.post-pagenavi span {padding: 2px 7px; margin:0 1px; border: 1px solid #aaa;text-decoration: none;-moz-border-radius: 5px;-webkit-border-radius: 5px; color: #565656;background-color:#aaa;font-weight: bold;}
.post-pagenavi a {padding: 2px 7px; margin:0 5px; border: 1px solid #aaa;text-decoration: none;-moz-border-radius: 5px;-webkit-border-radius: 5px;}
.post-pagenavi a span {color:#2F63B3;border: none; background: none; padding: 0; margin: 0;}
.post-pagenavi a:hover {color: #222;border-color: #aaa !important;border-color: #fff;text-decoration: none;background-color:#aaa;}
效果
http://imluren.com/2011/04/wp-link-pages-current.html
wp_link_pages 方法