本文共 2000 字,大约阅读时间需要 6 分钟。
来自Fatesinger,文章赞功能随处可见,例如无觅的相关文章工具、百度分享等等。如果想要给主题专门集成点赞功能,还是得需要下面的代码实现。用自定义字段保存赞数量,通过Cookies来禁止重复赞。
add_action('wp_ajax_nopriv_bigfa_like', 'bigfa_like');add_action('wp_ajax_bigfa_like', 'bigfa_like');function bigfa_like(){ global $wpdb,$post; $id = $_POST["um_id"]; $action = $_POST["um_action"]; if ( $action == 'ding'){ $bigfa_raters = get_post_meta($id,'bigfa_ding',true); $expire = time() + 99999999; $domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false; // make cookies work with localhost setcookie('bigfa_ding_'.$id,$id,$expire,'/',$domain,false); if (!$bigfa_raters || !is_numeric($bigfa_raters)) { update_post_meta($id, 'bigfa_ding', 1); } else { update_post_meta($id, 'bigfa_ding', ($bigfa_raters + 1)); } echo get_post_meta($id,'bigfa_ding',true); } die;}
$(document).ready(function() { $.fn.postLike = function() { if ($(this).hasClass('done')) { return false; } else { $(this).addClass('done'); var id = $(this).data("id"), action = $(this).data('action'), rateHolder = $(this).children('.count'); var ajax_data = { action: "bigfa_like", um_id: id, um_action: action }; $.post("/wp-admin/admin-ajax.php", ajax_data, function(data) { $(rateHolder).html(data); }); return false; }};$(document).on("click", ".favorite",function() { $(this).postLike();});});
.post-like{ text-align:center;padding:10px}.post-like a{ background-color:#21759B;border-radius: 3px;color: #FFFFFF;font-size: 12px;padding: 5px 10px;text-decoration: none;outline:none}.post-like a.done, .post-like a:hover{ background-color:#eee;color:#21759B;} .post-like a.done{ cursor:not-allowed}
请引用版本为1.10或以上的jQuery。
转载地址:http://hfuci.baihongyu.com/