WordPress技巧：评论审核+回复+会员信息更新+新文章邮件通知系统美化

WordPress给用户发送的邮件是十分原生态的，没有任何的修饰以及任何的美化。通过编写静态的HTML，结合目前广为流传邮件通知代码，设计出较为美观的通知样式。修改后效果大概如下：

WordPress 邮件通知系统美化包含功能：

使用方法：

将以下代码粘贴到主题的 functions.php 文件中，然后根据自己网站情况修改相应的文字内容。

 //邮件通知系统美化
<?php
//定义界面顶部区域内容,请注意修改您的主题目录
$email_bg =get_bloginfo('url') .'/wp-content/themes/主题目录/images/emailbg.jpg';
define ('emailbg', $email_bg );
$email_headertop = '
 <div class="emailpaged" style="background-image: url('.emailbg.');-webkit-background-size: cover;-moz-background-size: cover;-o-background-size: cover;background-size: cover;background-position: center center;background-repeat: no-repeat;">
 <div class="emailcontent" style="width:100%;max-width:720px;text-align: left;margin: 0 auto;padding-top: 80px;padding-bottom: 20px">
 <div class="emailtitle">
 <h1 style="color:#fff;background: #51a0e3;line-height:70px;font-size:24px;font-weight:normal;padding-left:40px;margin:0">
';
define ('emailheadertop', $email_headertop );
 
 $email_headerbot = '
 </h1>
 <div class="emailtext" style="background:#fff;padding:20px 32px 40px;">
';
define ('emailheaderbot', $email_headerbot );
 
//定义界面底部区域内容，请注意修改下面广告图片地址
$email_footer = '
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">(此邮件由系统自动发出, 请勿回复。)</p>
 </div>
 <div class="emailad" style="margin-top: 24px;">
 <a href="' . get_bloginfo('url') . '">
 <img src="广告地址" alt="" style="margin: auto;width:100%;max-width:700px;height: auto;">
 </a>
 </div>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;text-align:right;padding:0 32px">邮件来自：<a href="' . get_bloginfo('url') . '" style="color:#51a0e3;text-decoration:none">' . get_option("blogname") . '</a></p>
 </div>
 </div>
 </div>
';
define ('emailfooter', $email_footer );
 
//修改网站默认发信人以及邮箱
function new_from_name($email){
 $wp_from_name = get_option('blogname');
 return $wp_from_name;
}
function new_from_email($email) {
 $wp_from_email = get_option('admin_email');
 return $wp_from_email;
}
add_filter('wp_mail_from_name', 'new_from_name');
add_filter('wp_mail_from', 'new_from_email');
 
//评论通过通知评论者
add_action('comment_unapproved_to_approved', 'iwill_comment_approved');
function iwill_comment_approved($comment) {
 if(is_email($comment->comment_author_email)) {
 $post_link = get_permalink($comment->comment_post_ID);
 
// 邮件标题，可自行更改
 $title = '您在 [' . get_option('blogname') . '] 的评论已通过审核';
 
// 邮件内容，按需更改。如果不懂改，可以给我留言
 $body = emailheadertop.'留言审核通过通知'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">您在' . get_option('blogname') . '《<a href="'.$post_link.'">'.get_the_title($comment->comment_post_ID).'</a>》发表的评论：</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'.$comment->comment_content.'</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">已通过管理员审核并显示。<br />
 您可在此查看您的评论：<a href="'.get_comment_link( $comment->comment_ID ).'">前往查看</a></p>'.emailfooter;
 
 @wp_mail($comment->comment_author_email, $title, $body, "Content-Type: text/html; charset=UTF-8"); 
 }
}
 
/* 邮件评论回复美化版 */
function comment_mail_notify($comment_id) {
 $admin_email = get_bloginfo ('admin_email'); 
 $comment = get_comment($comment_id);
 $comment_author_email = trim($comment->comment_author_email);
 $parent_id = $comment->comment_parent ? $comment->comment_parent : '';
 $to = $parent_id ? trim(get_comment($parent_id)->comment_author_email) : '';
 $spam_confirmed = $comment->comment_approved;
 if (($parent_id != '') && ($spam_confirmed != 'spam') && ($to != $admin_email)) {
 $wp_email = 'no-reply@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
 $subject = '您在 [' . get_option("blogname") . '] 的留言有了新回复';
 $message = emailheadertop.'您在' . get_option("blogname") . '上的留言有回复啦！'.emailheaderbot.'
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . trim(get_comment($parent_id)->comment_author) . ', 您好!</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">您在《' . get_the_title($comment->comment_post_ID) . '》的留言:<br />
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'. trim(get_comment($parent_id)->comment_content) . '</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . trim($comment->comment_author) . ' 给你的回复:<br />
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'. trim($comment->comment_content) . '</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">你可以点击<a href="' . htmlspecialchars(get_comment_link($parent_id, array('type' => 'comment'))) . '">查看完整内容</a></p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">欢迎再度光临<a href="' . get_option('home') . '">' . get_option('blogname') . '</a></p>
 '.emailfooter;
 $from = "From: \"" . get_option('blogname') . "\" <$wp_email>";
 $headers = "$from\nContent-Type: text/html; charset=" . get_option('blog_charset') . "\n";
 wp_mail( $to, $subject, $message, $headers );
 }
 }
 add_action('comment_post', 'comment_mail_notify');
 
// 博客后台登录失败时发送邮件通知管理员
function wp_login_failed_notify(){
 date_default_timezone_set('PRC');
 $admin_email = get_bloginfo('admin_email');
 $to = $admin_email;
 $subject = '【登录失败】有人使用了错误的用户名或密码登录' . get_bloginfo('name') . '！';
 $message = emailheadertop . get_bloginfo('name') . '账户登录失败通知！'.emailheaderbot.'
 <div style="padding:0;font-weight:bold;color:#6e6e6e;font-size:16px">尊敬的管理员您好！</div>
 <p style="color: red;font-size:13px;line-height:24px;">' . get_bloginfo('name') . '有一条登录失败的记录产生，若登录操作不是您产生的，请及时注意网站安全！</p>
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%;border-top:1px solid #eee;border-left:1px solid #eee;color:#6e6e6e;font-size:16px;font-weight:normal">
 <thead><tr><th colspan="2" style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;background:#f8f8f8;">失败信息如下</th></tr></thead>
 <tbody>
 <tr>
 <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;width:100px">登录名</td>
 <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_POST['log'] . '</td>
 </tr>
 <tr>
 <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center">尝试的密码</td>
 <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_POST['pwd'] . '</td>
 </tr>
 <tr>
 <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;">登录时间</td>
 <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . date("Y-m-d H:i:s") . '</td>
 </tr> 
 <tr>
 <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;">登录IP</td>
 <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_SERVER['REMOTE_ADDR'] . '</td>
 </tr> 
 </tbody>
 </table>
 '.emailfooter;
 wp_mail( $to, $subject, $message, "Content-Type: text/html; charset=UTF-8" );
}
add_action('wp_login_failed', 'wp_login_failed_notify');
add_filter('logout_url', 'mk_logout_redirect_home', 10, 2);
function mk_logout_redirect_home($logouturl, $redir){
 $redir = home_url();
 return $logouturl . '&redirect_to=' . urlencode($redir);
}
 
//用户更新账户通知用户
function user_profile_update( $user_id ) {
 $site_url = get_bloginfo('wpurl');
 $site_name = get_bloginfo('wpname');
 $user_info = get_userdata( $user_id );
 $to = $user_info->user_email;
 $subject = "".$site_name."账户更新";
 $message = emailheadertop.'您在' .$site_name. '账户资料修改成功！'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">亲爱的 ' .$user_info->display_name . '<br/>您的资料修改成功!<br/>谢谢您的光临</p>'.emailfooter;
 wp_mail( $to, $subject, $message, "Content-Type: text/html; charset=UTF-8");
}
add_action( 'profile_update', 'user_profile_update', 10, 2);
 
//用户账户被删除通知用户
function iwilling_delete_user( $user_id ) {
 global $wpdb;
 $site_name = get_bloginfo('name');
 $user_obj = get_userdata( $user_id );
 $email = $user_obj->user_email;
 $subject = "帐号删除提示：".$site_name."";
 $message = emailheadertop.'您在' .$site_name. '的账户已被管理员删除！'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">如果您对本次操作有什么异议，请联系管理员反馈！<br/>我们会在第一时间处理您反馈的问题.</p>'.emailfooter;
 wp_mail( $email, $subject, $message, "Content-Type: text/html; charset=UTF-8");
}
add_action( 'delete_user', 'iwilling_delete_user' );
 
// WordPress 发布新文章后邮件通知已注册的用户
function newPostNotify($post_ID) {
 if( wp_is_post_revision($post_ID) ) return;
 global $wpdb;
 $site_name = get_bloginfo('name');
 $post_contents = get_post($post_ID)->post_content;
 $get_post_info = get_post($post_ID);
 if ( $get_post_info->post_status == 'publish' && $_POST['original_post_status'] != 'publish' ) {
 // 读数据库，获取所有用户的email
 $wp_user_email = $wpdb->get_col("SELECT DISTINCT user_email FROM $wpdb->users");
 // 邮件标题
 $subject = 'Hi!'.$site_name.'发布新文章啦!';
 // 邮件内容
 $message = emailheadertop.$site_name. '发布新文章啦!'.emailheaderbot.'
 <div style="padding:0;font-weight:bold;color:#6e6e6e;font-size:16px">文章标题：' . get_the_title($post_ID) . '</div>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . mb_strimwidth($post_contents, 0, 320,"...") . '</p>
 <p style="color: #6e6e6e;font-size:13px;line-height:24px;text-align:right"><a href="' . get_permalink($post_ID) . '">查看全文</a><br /></p>
 '.emailfooter;
 // 发邮件
 $message_headers = "Content-Type: text/html; charset=\"utf-8\"\n";
 wp_mail($wp_user_email, $subject, $message, $message_headers); 
 }
}
add_action('publish_post', 'newPostNotify');
?>

注意事项：