【纯代码】WordPress向留言者发送新文章邮件通知教学

8 月192014

作者：超级efly 发布：2014-08-19 21:58 分类：WordPress 阅读：9,664

大家都知道很多网站带有「邮件订阅网站」的功能，不过大部分访客即使想订阅也会因繁琐的步骤望而却步，不过今天畅想资源就来教大家如何于WordPress内向部分（随机抽取）留言者发送新文章邮件通知，让网站的精品文章能够被访客及时获取！

预览

教学

注意：使用该功能有可能（未经证实！）会由于类似群发而被服务商标识为垃圾邮件，一切后果自负！

提示：如果你需要添加嵌套评论回复邮件通知提示功能，请见「【纯代码】为WordPress添加评论回复邮件提醒通知功能」！

1、首先将下方代码添加到「布景函式库(functions.php)」的最底部 ?> 之前，然后点击更新档案

提示：你可以将下方代码各高亮部分修改为你想要的配置！

注意：如果您的伺服器并不支持 mail 函数，请参考「这篇文章」并使用外部SMTP发送邮件即可！

/* 向留言者发送新文章邮件通知开始（由AREFLY.COM制作） */
function mail_to_commenter($to, $subject, $message){
	$from_email = get_option('admin_email');			//发件人=站长邮箱
	//$from_email = "no-reply@domain.com";				//去除本行注释可修改发件人邮箱！
	$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');		//发送最新文章通知时需排除之邮箱
	$total_mail = '50';		//邮件最大发送篇数

	$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;">&gt; </span>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」博客有新文章发表啦！</h2>
		<div style="font-size:12px;color:#777;padding:0 10px;margin-top:18px"><div class="im">
			<p>尊敬的访客您好！</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="'.$posturl .'#comments" target="_blank">发表评论</a>」</p>
		<p>欢迎再次光临「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」</p>
	</div>
</div>
<div style="color:#888;padding:10px;border-top:1px solid #e9e9e9;background:#f5f5f5">
	<p style="margin:0;padding:0"><span style="color:#BDBDBD">&copy; <a style="color: #888; text-decoration: none;" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a> 您收到本邮件是由于您曾于本站留言并被随机选中，如果您希望退订本邮件，请「<a href="' . get_option("home") . '/unsubscribe.php?email='.$comments[$i]->comment_author_email.'&code='.$code_jiucool.'" target="_blank">点击这里</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;">&gt; </span>「<a style="text-decoration:none;color:#12addb" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a>」博客有新文章发表啦！</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>」之站长您好！</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发送给'.$count_jiucool.'位访客：</p>
			<p style="background-color:#f5f5f5;padding:10px 15px;margin:18px 0">'.$content.'</p>
		</div>
		<p>坚持就是胜利，继续为「<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">&copy; <a style="color: #888; text-decoration: none;" href="' . get_option("home") . '" title="' . get_option("blogname") . '" target="_blank">' . get_option("blogname") . '</a> 请添加 <a style="color:#BDBDBD" href="mailto:'.get_option('admin_email').'">'.get_option('admin_email').'</a> 至您的通讯录，以便接收本站邮件，谢谢！</span></p>
</div>';
		mail_to_commenter(get_option("admin_email"), '更新文章通知发送报告', $content);
	}
}
add_action('publish_post', 'mail_to_commenters_when_post', 5, 1);
/* 向留言者发送新文章邮件通知结束（由AREFLY.COM制作） */

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/* 向留言者发送新文章邮件通知开始（由AREFLY.COM制作） */

function mail_to_commenter($to, $subject, $message){

$from_email = get_option('admin_email'); //发件人=站长邮箱

//$from_email = "no-reply@domain.com"; //去除本行注释可修改发件人邮箱！

$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'); //发送最新文章通知时需排除之邮箱

$total_mail = '50'; //邮件最大发送篇数

$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 = "";

$explodemore = explode($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;

}

color: #12addb;

}

</style>

<tbody>

</tr>

</tbody>

</table>

<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>」博客有新文章发表啦！</h2>

<p>尊敬的访客您好！</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>欢迎再次光临「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」</p>

</div>

<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> 您收到本邮件是由于您曾于本站留言并被随机选中，如果您希望退订本邮件，请「<a href="' . get_option("home") . '/unsubscribe.php?email='.$comments[$i]->comment_author_email.'&code='.$code_jiucool.'" target="_blank">点击这里</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;

}

color: #12addb;

}

</style>

<tbody>

</tr>

</tbody>

</table>

<p>「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」之站长您好！</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发送给'.$count_jiucool.'位访客：</p>

<p style="background-color:#f5f5f5;padding:10px 15px;margin:18px 0">'.$content.'</p>

</div>

<p>坚持就是胜利，继续为「<a style="text-decoration:none; color:#12addb" href="' . get_option('home') . '" target="_blank">' . get_option('blogname') . '</a>」加油努力吧！</p>

</div>

<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> 请添加 <a style="color:#BDBDBD" href="mailto:'.get_option('admin_email').'">'.get_option('admin_email').'</a> 至您的通讯录，以便接收本站邮件，谢谢！</span></p>

</div>';

mail_to_commenter(get_option("admin_email"), '更新文章通知发送报告', $content);

}

add_action('publish_post', 'mail_to_commenters_when_post', 5, 1);

/* 向留言者发送新文章邮件通知结束（由AREFLY.COM制作） */

2、然后我们需要上传一个「退订页面」，将下列代码储存为「unsubscribe.php」并上传至WordPress根目录：

注意：你需要将 $table_prefix 之值替换为你的WordPress数据库前缀！

<?php
$table_prefix = 'wp_';					//数据库前缀
require_once('wp-config.php');
?>
<!DOCTYPE html>
<html lang="zh-TW">
	<head>
		<meta charset="UTF-8">
		<meta name="robots" content="noindex" />
		<title>退订文章订阅</title>
		<script>
		function confirmunsubscribe(){
			var msg = "您确定要退订新文章邮件订阅么？";
			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 '您的邮箱地址是：'.$unsubscribeEmail."<p />";
		$code = md5($unsubscribeEmail);
		if($_GET['code']== $code){
			if($_GET["confirm"] == "yes"){
				$db = @mysql_connect(DB_HOST, DB_USER, DB_PASSWORD) or die("对不起！数据库连接错误！");
				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('您之前已经成功退订，请不要重复提交！'); </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(\"对不起，您同一时间内退订操作过快，请稍后再试！\"); </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，您已成功退订邮件！再次感谢您对本站的支持！'); </script>";
						$table = $table_prefix."options";
						$query = mysql_query("select * from $table where option_name='admin_email'");
						while ($row = mysql_fetch_array($query)) {
							$subject = "提醒：邮箱「".$unsubscribeEmail . "」已退订！";
							$message .= $subject;
							toemail($row["option_value"], $subject, $message);
						}
						echo "<script>window.location.href='/' </script>";
						exit();
					}
				}
			}else{
				echo "<input type='button' onclick='javascript:confirmunsubscribe();' value='确认退订' />";
			}
		}else{
			echo "<script>alert('对不起，您无权进行本操作！'); </script>";
			echo "<script>window.location.href='/' </script>";
		}
function get_ip (){
	if ($_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){
	$from_email = get_option('admin_email');			//发件人=站长邮箱
	//$from_email = "no-reply@domain.com";				//去除本行注释可修改发件人邮箱！
	$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 ("邮件发送失败！");
}
?>		
	</body>
</html>

<?php

$table_prefix = 'wp_'; //数据库前缀

require_once('wp-config.php');

<!DOCTYPE html>

<head>

<title>退订文章订阅</title>

function confirmunsubscribe(){

var msg = "您确定要退订新文章邮件订阅么？";

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 '您的邮箱地址是：'.$unsubscribeEmail."<p />";

$code = md5($unsubscribeEmail);

if($_GET['code']== $code){

if($_GET["confirm"] == "yes"){

$db = @mysql_connect(DB_HOST, DB_USER, DB_PASSWORD) or die("对不起！数据库连接错误！");

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('您之前已经成功退订，请不要重复提交！'); </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(\"对不起，您同一时间内退订操作过快，请稍后再试！\"); </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，您已成功退订邮件！再次感谢您对本站的支持！'); </script>";

$table = $table_prefix."options";

$query = mysql_query("select * from $table where option_name='admin_email'");

while ($row = mysql_fetch_array($query)) {

$subject = "提醒：邮箱「".$unsubscribeEmail . "」已退订！";

$message .= $subject;

toemail($row["option_value"], $subject, $message);

}

echo "<script>window.location.href='/' </script>";

exit();

}

}else{

echo "<input type='button' onclick='javascript:confirmunsubscribe();' value='确认退订' />";

}

}else{

echo "<script>alert('对不起，您无权进行本操作！'); </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'); //发件人=站长邮箱

//$from_email = "no-reply@domain.com"; //去除本行注释可修改发件人邮箱！

$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 ("邮件发送失败！");

}

</body>

</html>

3、现在当我们发表新文章时，网站就将会自动随机抽取 $total_mail （例如 50 ）名访客来发送「最新文章已发布」邮件啦！

预览

教学

参考

历史上的今天

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