PHP教程.应用实例10

<?php
class html_mime_mail {
    var $headers;
    var $body;
    var $multipart;
    var $mime;
    var $html;
    var $html_text;
    var $html_images = array();
    var $cids = array();
    var $do_html;
    var $parts = array();
    /***************************************
     ** Constructor function. Sets the headers
     ** if supplied.
     ***************************************/
    function html_mime_mail($headers = &#39;&#39;) {
        $this->headers = $headers;
    }
    /***************************************
     ** Adds a html part to the mail.
     ** Also replaces image names with
     ** content-id&#39;s.
     ***************************************/
    function add_html($html, $text) {
        $this->do_html = 1;
        $this->html = $html;
        $this->html_text = $text;
        if (is_array($this->html_images) AND count($this->html_images) > 0) {
            for ($i = 0; $i < count($this->html_images); $i++) {
                $this->html = ereg_replace($this->html_images[$i][&#39;name&#39;], &#39;cid:&#39; . $this->html_images[$i][&#39;cid&#39;], $this->html);
            }
        }
    }
    /***************************************
     ** Builds html part of email.
     ***************************************/
    function build_html($orig_boundary) {
        $sec_boundary = &#39;=_&#39; . md5(uniqid(time()));
        $thr_boundary = &#39;=_&#39; . md5(uniqid(time()));
        if (!is_array($this->html_images)) {
            $this->multipart.= &#39;--&#39; . $orig_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: multipart/alternative; boundary="&#39; . $sec_boundary . "\"\r\n\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $sec_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: text/plain&#39; . "\r\n";
            $this->multipart.= &#39;Content-Transfer-Encoding: 7bit&#39; . "\r\n\r\n";
            $this->multipart.= $this->html_text . "\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $sec_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: text/html&#39; . "\r\n";
            $this->multipart.= &#39;Content-Transfer-Encoding: 7bit&#39; . "\r\n\r\n";
            $this->multipart.= $this->html . "\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $sec_boundary . "--\r\n\r\n";
        } else {
            $this->multipart.= &#39;--&#39; . $orig_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: multipart/related; boundary="&#39; . $sec_boundary . "\"\r\n\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $sec_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: multipart/alternative; boundary="&#39; . $thr_boundary . "\"\r\n\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $thr_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: text/plain&#39; . "\r\n";
            $this->multipart.= &#39;Content-Transfer-Encoding: 7bit&#39; . "\r\n\r\n";
            $this->multipart.= $this->html_text . "\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $thr_boundary . "\r\n";
            $this->multipart.= &#39;Content-Type: text/html&#39; . "\r\n";
            $this->multipart.= &#39;Content-Transfer-Encoding: 7bit&#39; . "\r\n\r\n";
            $this->multipart.= $this->html . "\r\n\r\n";
            $this->multipart.= &#39;--&#39; . $thr_boundary . "--\r\n\r\n";
            for ($i = 0; $i < count($this->html_images); $i++) {
                $this->multipart.= &#39;--&#39; . $sec_boundary . "\r\n";
                $this->build_html_image($i);
            }
            $this->multipart.= "--" . $sec_boundary . "--\r\n\r\n";
        }
    }
    /***************************************
     ** Adds an image to the list of embedded
     ** images.
     ***************************************/
    function add_html_image($file, $name = &#39;&#39;, $c_type = &#39;application/octet-stream&#39;) {
        $this->html_images[] = array(
            &#39;body&#39; => $file,
            &#39;name&#39; => $name,
            &#39;c_type&#39; => $c_type,
            &#39;cid&#39; => md5(uniqid(time()))
        );
    }
    /***************************************
     ** Adds a file to the list of attachments.
     ***************************************/
    function add_attachment($file, $name = &#39;&#39;, $c_type = &#39;application/octet-stream&#39;) {
        $this->parts[] = array(
            &#39;body&#39; => $file,
            &#39;name&#39; => $name,
            &#39;c_type&#39; => $c_type
        );
    }
    /***************************************
     ** Builds an embedded image part of an
     ** html mail.
     ***************************************/
    function build_html_image($i) {
        $this->multipart.= &#39;Content-Type: &#39; . $this->html_images[$i][&#39;c_type&#39;];
        if ($this->html_images[$i][&#39;name&#39;] != &#39;&#39;) $this->multipart.= &#39;; name="&#39; . $this->html_images[$i][&#39;name&#39;] . "\"\r\n";
        else $this->multipart.= "\r\n";
        $this->multipart.= &#39;Content-ID: <&#39; . $this->html_images[$i][&#39;cid&#39;] . ">\r\n";
        $this->multipart.= &#39;Content-Transfer-Encoding: base64&#39; . "\r\n\r\n";
        $this->multipart.= chunk_split(base64_encode($this->html_images[$i][&#39;body&#39;])) . "\r\n";
    }
    /***************************************
     ** Builds a single part of a multipart
     ** message.
     ***************************************/
    function build_part($i) {
        $message_part = &#39;&#39;;
        $message_part.= &#39;Content-Type: &#39; . $this->parts[$i][&#39;c_type&#39;];
        if ($this->parts[$i][&#39;name&#39;] != &#39;&#39;) $message_part.= &#39;; name="&#39; . $this->parts[$i][&#39;name&#39;] . "\"\r\n";
        else $message_part.= "\r\n";
        // Determine content encoding.
        if ($this->parts[$i][&#39;c_type&#39;] == &#39;text/plain&#39;) {
            $message_part.= &#39;Content-Transfer-Encoding: 7bit&#39; . "\r\n\r\n";
            $message_part.= $this->parts[$i][&#39;body&#39;] . "\r\n";
        } else {
            $message_part.= &#39;Content-Transfer-Encoding: base64&#39; . "\r\n";
            $message_part.= &#39;Content-Disposition: attachment; filename="&#39; . $this->parts[$i][&#39;name&#39;] . "\"\r\n\r\n";
            $message_part.= chunk_split(base64_encode($this->parts[$i][&#39;body&#39;])) . "\r\n";
        }
        return $message_part;
    }
    /***************************************
     ** Builds the multipart message from the
     ** list ($this->parts).
     ***************************************/
    function build_message() {
        $boundary = &#39;=_&#39; . md5(uniqid(time()));
        $this->headers.= "MIME-Version: 1.0\r\n";
        $this->headers.= "Content-Type: multipart/mixed; boundary=\"" . $boundary . "\"\r\n";
        $this->multipart = &#39;&#39;;
        $this->multipart.= "This is a MIME encoded message.\r\nCreated by html_mime_mail.class.\r\nSee http://www.heyes-computing.net/scripts/ for a copy.\r\n\r\n";
        if (isset($this->do_html) AND $this->do_html == 1) $this->build_html($boundary);
        if (isset($this->body) AND $this->body != &#39;&#39;) $this->parts[] = array(
            &#39;body&#39; => $this->body,
            &#39;name&#39; => &#39;&#39;,
            &#39;c_type&#39; => &#39;text/plain&#39;
        );
        for ($i = (count($this->parts) - 1); $i >= 0; $i--) {
            $this->multipart.= &#39;--&#39; . $boundary . "\r\n" . $this->build_part($i);
        }
        $this->mime = $this->multipart . "--" . $boundary . "--\r\n";
    }
    /***************************************
     ** Sends the mail.
     ***************************************/
    function send($to_name, $to_addr, $from_name, $from_addr, $subject = &#39;&#39;, $headers = &#39;&#39;) {
        if ($to_name != &#39;&#39;) $to = &#39;"&#39; . $to_name . &#39;" <&#39; . $to_addr . &#39;>&#39;;
        else $to = $to_addr;
        if ($from_name != &#39;&#39;) $from = &#39;"&#39; . $from_name . &#39;" <&#39; . $from_addr . &#39;>&#39;;
        else $from = $from_addr;
        $this->headers.= &#39;From: &#39; . $from . "\r\n";
        //$this->headers.= $headers;
        mail($to, $subject, $this->mime, $this->headers);
    }
    /***************************************
     ** Use this method to deliver using direct
     ** smtp connection. Relies upon Manuel Lemos&#39;
     ** smtp mail delivery class available at:
     ** http://phpclasses.upperdesign.com
     **
     ** void smtp_send( string *Name* of smtp object,
     ** string From address,
     ** array To addresses,
     ** array Headers,
     ** string The body)
     ***************************************/
    function smtp_send($smtp_obj, $from_addr, $to_addr) {
        global $$smtp_obj;
        $smtp_obj = $$smtp_obj;
        if (substr($this->headers, -2) == "\r\n") $this->headers = substr($this->headers, 0, -2);
        $this->headers = explode("\r\n", $this->headers);
        $smtp_obj->sendmessage($from_addr, $to_addr, $this->headers, $this->mime);
    }
} // End of class.
?>