大家都知道很多網站帶有「郵件訂閱網站」的功能，不過大部分訪客即使想訂閱也會因繁瑣的步驟望而卻步，不過今天暢想資源就來教大家如何於WordPress內向部分（隨機抽取）留言者發送新文章郵件通知，讓網站的精品文章能夠被訪客及時獲取！
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教學
注意：使用該功能有可能（未經證實！）會由於類似群發而被服務商標識為垃圾郵件，一切後果自負！
提示：如果你需要添加嵌套評論回覆郵件通知提示功能，請見「【純代碼】為WordPress添加評論回覆郵件提醒通知功能」！
1、首先將下方代碼添加到「佈景函式庫(functions.php)」的最底部 ?> 之前，然後點擊
提示：你可以將下方代碼各高亮部分修改為你想要的配置！
注意：如果您的伺服器並不支持 mail 函數，請參考「這篇文章」並使用外部SMTP發送郵件即可！
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/* 向留言者發送新文章郵件通知開始（由AREFLY.COM製作） */ function mail_to_commenter($to, $subject, $message){ $from_email = get_option('admin_email'); //發件人=站長郵箱 //$from_email = "no-reply@domain.com"; //去除本行注釋可修改發件人郵箱！ $charset = get_option('blog_charset'); $headers = "From: $from_email \n"; $headers .= "MIME-Version: 1.0\n"; $headers .= "Content-Type: text/html;charset=\"$charset\"\n"; $to = strtolower($to); @wp_mail($to, $subject, $message, $headers); } function mail_to_commenters_when_post($post_ID){ global $wpdb; @$wpdb->query('create table if not exists `jiucool_mail_exclude`(`id` int(11) NOT NULL auto_increment,`email` varchar(100) NOT NULL,`pub_date` datetime NOT NULL default \'0000-00-00 00:00:00\', `ip` varchar(100) NOT NULL default \'0.0.0.0\',PRIMARY KEY (`id`))'); $exclude_emails_jiucool = array('my@domain.com'); //發送最新文章通知時需排除之郵箱 $total_mail = '50'; //郵件最大發送篇數 $tablecomments = $wpdb->comments; $a_time = date('Y-m-d H:i:s', strtotime('-3 Month')); $query_emails_from_db = "select id,email from jiucool_mail_exclude "; $emails = $wpdb->get_results($query_emails_from_db); foreach ($emails as $email) { array_push($exclude_emails_jiucool, $email->email); } $query = "SELECT count(comment_ID),comment_author, comment_author_email,comment_author_url FROM $tablecomments where comment_type='' AND comment_approved=1 and comment_date>'".$a_time."' group by comment_author_email order by rand() limit 0,".$total_mail; $comments = $wpdb->get_results($query); $posturl = get_option('home').'/?p='.$post_ID; $post = get_post($post_ID); $blogname = get_option('blogname'); $morestring = "<!--more-->"; $explodemore = explode($morestring, $post->post_content); if(!empty($explodemore[1])){ $excerpt = $explodemore[0]; } else if ($post->post_excerpt) { $excerpt = $post->post_excerpt; } else { if(preg_match('/<p>(.*)<\/p>/iU',trim(strip_tags($post->post_content,"<p>")),$result)){ $post_content = $result['1']; } else { $post_content_r = explode("\n",trim(strip_tags($post->post_content))); $post_content = $post_content_r['0']; } $excerpt = utf8Substr($post_content, 0, 220); } //$excerpt = mb_strimwidth($post->post_content, 0, 30000, '....'); $excerpt = ' <style> blockquote{ padding: 5px 10px; margin: 0 5px; border: 1px solid #ddd; /** border-left: 8px solid #ddd; **/ background-color: #e9e9e9; overflow: auto; border-left-width: 4px; font-family: inherit; } blockquote.code, pre{ font-family: "Courier New", sans-serif; padding: 5px 5px; margin: 0; } code{ padding: 2px 4px; color: #8A2908; background: rgba(0, 0, 0, 0.05); border: 1px solid rgba(0, 0, 0, 0.1); -webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px; font-size: 12px; font-family: "Courier New", sans-serif; word-wrap: break-word; word-break: break-all; } kbd{ padding: 0.1em 0.6em; border: 1px solid #cccccc; font-size: 11px; font-family: Arial, Helvetica, sans-serif; background-color: #f7f7f7; color: #333333; -webkit-box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; -moz-box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; -webkit-border-radius: 3px; -moz-border-radius: 3px; -ms-border-radius: 3px; -o-border-radius: 3px; border-radius: 3px; text-shadow: white 0 1px 0; display: inline-block; margin: 0 0.1em; line-height: 1.4; text-indent: 0em; } p img:not(.wp-smiley){ -webkit-border-radius: 6px; -moz-border-radius: 6px; border-radius: 6px; max-width: 400px; width: expression(this.width > 400 ? "400px" : true); height: auto; } a{ color: #12addb; } </style> <div style="color: #555; font-size: 12px; font-family: \'Segoe UI\', \'Segoe\', \'Segoe WP\', \'Tahoma\', \'Microsoft YaHei\', sans-serif; -webkit-font-smoothing: antialiased; width: 600px; margin:0 auto; border: 1px solid #e9e9e9; border-top: none;"> <table border="0" cellspacing="0" cellpadding="0"> <tbody> <tr valign="top" height="2"> <td width="190" bgcolor="#0B9938"></td> <td width="120" bgcolor="#9FCE67"></td> <td width="85" bgcolor="#EDB113"></td> <td width="85" bgcolor="#FFCC02"></td> <td width="130" bgcolor="#5B1301" valign="top"></td> </tr> </tbody> </table> <div style="padding:0 15px 8px"> <h2 style="border-bottom: 1px solid #e9e9e9; font-size: 14px; font-weight: normal; padding: 10px 0 10px;"><span style="color: #12addb;">> </span>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」部落格有新文章發表啦！</h2> <div style="font-size:12px;color:#777;padding:0 10px;margin-top:18px"><div class="im"> <p>尊敬的訪客您好！</p> <p>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」最新文章：<strong>' . get_the_title($comment->comment_post_ID) . '</strong></p> <p style="background-color:#f5f5f5;padding:10px 15px;margin:18px 0">文章摘要：'.$excerpt.'</p> </div> <p>您可以「<a style="text-decoration:none; color:#12addb" href="'.$posturl .'" target="_blank">查看全文</a>」或「<a style="text-decoration:none; color:#12addb" href="'.$posturl .'#comments" target="_blank">發表評論</a>」</p> <p>歡迎再次光臨「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」</p> </div> </div> <div style="color:#888;padding:10px;border-top:1px solid #e9e9e9;background:#f5f5f5"> <p style="margin:0;padding:0"><span style="color:#BDBDBD">© <a style="color: #888; text-decoration: none;" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a> 您收到本郵件是由於您曾於本站留言並被隨機選中，如果您希望退訂本郵件，請「<a href="' . get_option("home") . '/unsubscribe.php?email='.$comments[$i]->comment_author_email.'&code='.$code_jiucool.'" target="_blank">點擊這裏</a>」！</span></p> </div>'; date_default_timezone_set("Asia/Shanghai"); $mo_time = strtotime(date('Y-m-d H:i:s', time())); $pub_time = strtotime(get_the_time('Y-m-d H:i:s', $post_ID)); $mail_title="=?UTF-8?B?".base64_encode(get_option('blogname').'最新文章：'.$post->post_title)."?="; if($mo_time-$pub_time<36){ $content = ''; $count_jiucool=0; $i = 0; do{ if(!in_array($comments[$i]->comment_author_email, $exclude_emails_jiucool)){ $code_jiucool = md5($comments[$i]->comment_author_email); $excerpt_to = $excerpt; mail_to_commenter($comments[$i]->comment_author_email, $mail_title, $excerpt_to); $count_jiucool++; $content .=($count_jiucool).". <a href='".$comments[$i]->comment_author_url."' target='_blank'>".$comments[$i]->comment_author.'</a> : '.$comments[$i]->comment_author_email.",<br />"; } $i++; }while($i<count($comments)); $content = ' <style> blockquote{ padding: 5px 10px; margin: 0 5px; border: 1px solid #ddd; /** border-left: 8px solid #ddd; **/ background-color: #e9e9e9; overflow: auto; border-left-width: 4px; font-family: inherit; } blockquote.code, pre{ font-family: "Courier New", sans-serif; padding: 5px 5px; margin: 0; } code{ padding: 2px 4px; color: #8A2908; background: rgba(0, 0, 0, 0.05); border: 1px solid rgba(0, 0, 0, 0.1); -webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px; font-size: 12px; font-family: "Courier New", sans-serif; word-wrap: break-word; word-break: break-all; } kbd{ padding: 0.1em 0.6em; border: 1px solid #cccccc; font-size: 11px; font-family: Arial, Helvetica, sans-serif; background-color: #f7f7f7; color: #333333; -webkit-box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; -moz-box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; box-shadow: rgba(0, 0, 0, 0.2) 0 1px 0, white 0 0 0 2px inset; -webkit-border-radius: 3px; -moz-border-radius: 3px; -ms-border-radius: 3px; -o-border-radius: 3px; border-radius: 3px; text-shadow: white 0 1px 0; display: inline-block; margin: 0 0.1em; line-height: 1.4; text-indent: 0em; } p img:not(.wp-smiley){ -webkit-border-radius: 6px; -moz-border-radius: 6px; border-radius: 6px; max-width: 400px; width: expression(this.width > 400 ? "400px" : true); height: auto; } a{ color: #12addb; } </style> <div style="color: #555; font-size: 12px; font-family: \'Segoe UI\', \'Segoe\', \'Segoe WP\', \'Tahoma\', \'Microsoft YaHei\', sans-serif; -webkit-font-smoothing: antialiased; width: 600px; margin:0 auto; border: 1px solid #e9e9e9; border-top: none;"> <table border="0" cellspacing="0" cellpadding="0"> <tbody> <tr valign="top" height="2"> <td width="190" bgcolor="#0B9938"></td> <td width="120" bgcolor="#9FCE67"></td> <td width="85" bgcolor="#EDB113"></td> <td width="85" bgcolor="#FFCC02"></td> <td width="130" bgcolor="#5B1301" valign="top"></td> </tr> </tbody> </table> <div style="padding:0 15px 8px"> <h2 style="border-bottom: 1px solid #e9e9e9; font-size: 14px; font-weight: normal; padding: 10px 0 10px;"><span style="color: #12addb;">> </span>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」部落格有新文章發表啦！</h2> <div style="font-size:12px;color:#777;padding:0 10px;margin-top:18px"><div class="im"> <p>「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」之站長您好！</p> <p>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」之文章更新通知已成功發送給'.$count_jiucool.'位訪客：</p> <p style="background-color:#f5f5f5;padding:10px 15px;margin:18px 0">'.$content.'</p> </div> <p>堅持就是勝利，繼續為「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」加油努力吧！</p> </div> </div> <div style="color:#888;padding:10px;border-top:1px solid #e9e9e9;background:#f5f5f5"> <p style="margin:0;padding:0"><span style="color:#BDBDBD">© <a style="color: #888; text-decoration: none;" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a> 請添加 <a style="color:#BDBDBD" href="mailto:'.get_option('admin_email').'">'.get_option('admin_email').'</a> 至您的通訊錄，以便接收本站郵件，謝謝！</span></p> </div>'; mail_to_commenter(get_option("admin_email"), '更新文章通知發送報告', $content); } } add_action('publish_post', 'mail_to_commenters_when_post', 5, 1); /* 向留言者發送新文章郵件通知結束（由AREFLY.COM製作） */ |
2、然後我們需要上傳一個「退訂頁面」，將下列代碼儲存為「unsubscribe.php」並上傳至WordPress根目錄：
注意：你需要將 $table_prefix 之值替換為你的WordPress數據庫前綴！
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<?php $table_prefix = 'wp_'; //數據庫前綴 require_once('wp-config.php'); ?> <!DOCTYPE html> <html lang="zh-TW"> <head> <meta charset="UTF-8"> <meta name="robots" content="noindex" /> <title>退訂文章訂閱</title> <script> function confirmunsubscribe(){ var msg = "您確定要退訂新文章郵件訂閱麼？"; if (confirm(msg)==true){ var url = window.location.href; window.location.href = url + "&confirm=yes"; }else{ return; } } </script> </head> <body> <?php $unsubscribeEmail =$_GET['email']; echo '您的郵箱地址是：'.$unsubscribeEmail."<p />"; $code = md5($unsubscribeEmail); if($_GET['code']== $code){ if($_GET["confirm"] == "yes"){ $db = @mysql_connect(DB_HOST, DB_USER, DB_PASSWORD) or die("對不起！數據庫連接錯誤！"); mysql_select_db(DB_NAME); $query = mysql_query("select * from jiucool_mail_exclude where email='$unsubscribeEmail'"); if(mysql_num_rows($query)>0){ echo "<script>alert('您之前已經成功退訂，請不要重復提交！'); </script>"; echo "<script>window.location.href='/' </script>"; exit(); }else{ date_default_timezone_set("Asia/Shanghai"); $pub_date = date('Y-m-d H:i:s', strtotime(time())-60*60); $ip = get_ip(); $query = mysql_query("select * from jiucool_mail_exclude where ip='$ip' and pub_date>'$pub_date' "); if(mysql_num_rows($query)>0){ echo "<script>alert(\"對不起，您同一時間內退訂操作過快，請稍後再試！\"); </script>"; echo "<script>window.location.href='/' </script>"; exit(); }else{ $pub_date = date('Y-m-d H:i:s', time()); $query = mysql_query("insert into `jiucool_mail_exclude`(email,pub_date,ip)values('$unsubscribeEmail','$pub_date','$ip')"); echo "<script>alert('恭喜，您已成功退訂郵件！再次感謝您對本站的支持！'); </script>"; $table = $table_prefix."options"; $query = mysql_query("select * from $table where option_name='admin_email'"); while ($row = mysql_fetch_array($query)) { $subject = "提醒：郵箱「".$unsubscribeEmail . "」已退訂！"; $message .= $subject; toemail($row["option_value"], $subject, $message); } echo "<script>window.location.href='/' </script>"; exit(); } } }else{ echo "<input type='button' onclick='javascript:confirmunsubscribe();' value='確認退訂' />"; } }else{ echo "<script>alert('對不起，您無權進行本操作！'); </script>"; echo "<script>window.location.href='/' </script>"; } function get_ip (){ if ($_SERVER["HTTP_X_FORWARDED_FOR"]==""){ $user_ip=$_SERVER["REMOTE_ADDR"]; }else{ $user_ip=$_SERVER["HTTP_X_FORWARDED_FOR"]; } return $user_ip; } function toemail($to,$subject,$message){ $from_email = get_option('admin_email'); //發件人=站長郵箱 //$from_email = "no-reply@domain.com"; //去除本行注釋可修改發件人郵箱！ $charset = "UTF-8"; $headers = "From: $from_email \n" ; $headers .= "MIME-Version: 1.0\n"; $headers .= "Content-Type: text/html;charset=\"$charset\"\n"; $to = strtolower($to); @mail($to, $subject, $message, $headers) or die ("郵件發送失敗！"); } ?> </body> </html> |
3、現在當我們發表新文章時，網站就將會自動隨機抽取 $total_mail （例如 50 ）名訪客來發送「最新文章已發佈」郵件啦！ 
