php实现的发送带附件邮件类实例

时间:2022-08-24 13:46:57

本文实例讲述了php实现的发送带附件邮件类的方法,是一个非常实用的功能。分享给大家供大家参考。具体方法如下:

emailclass.php类文件如下:

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<?
class CMailFile { 
 
  var $subject
  var $addr_to
  var $text_body
  var $text_encoded
  var $mime_headers
  var $mime_boundary = "--==================_846811060==_"
  var $smtp_headers
   
  function CMailFile($subject,$to,$from,$msg,$filename,$downfilename,$mimetype = "application/octet-stream",$mime_filename = false) { 
    $this->subject = $subject;    
    $this->addr_to = $to;    
    $this->smtp_headers = $this->write_smtpheaders($from);
    $this->text_body = $this->write_body($msg);
    $this->text_encoded = $this->attach_file($filename,$downfilename,$mimetype,$mime_filename);
    $this->mime_headers = $this->write_mimeheaders($filename, $mime_filename);
  
 
  function attach_file($filename,$downfilename,$mimetype,$mime_filename) {
    $encoded = $this->encode_file($filename);
    if ($mime_filename) $filename = $mime_filename;
    $out = "--" . $this->mime_boundary . "\n";
    $out = $out . "Content-type: " . $mimetype . "; name=\"$filename\";\n";
    $out = $out . "Content-Transfer-Encoding: base64\n";
    $out = $out . "Content-disposition: attachment; filename=\"$downfilename\"\n\n";
    $out = $out . $encoded . "\n";
    $out = $out . "--" . $this->mime_boundary . "--" . "\n";
    return $out;
  
 
  function encode_file($sourcefile) { 
    if (is_readable($sourcefile)) { 
      $fd = fopen($sourcefile, "r"); 
      $contents = fread($fd, filesize($sourcefile)); 
      $encoded = chunk_split(base64_encode($contents)); 
      fclose($fd); 
    
    return $encoded
  
 
  function sendfile() {  
    $headers = $this->smtp_headers . $this->mime_headers; 
    $message = $this->text_body . $this->text_encoded; 
    mail($this->addr_to,$this->subject,$message,$headers); 
  
 
  function write_body($msgtext) { 
    $out = "--" . $this->mime_boundary . "\n"
    $out = $out . "Content-Type: text/plain; charset=\"us-ascii\"\n\n"
    $out = $out . $msgtext . "\n"
    return $out
  
 
  function write_mimeheaders($filename, $mime_filename) { 
    if ($mime_filename) $filename = $mime_filename
    $out = "MIME-version: 1.0\n"
    $out = $out . "Content-type: multipart/mixed; "
    $out = $out . "boundary=\"$this->mime_boundary\"\n"
    $out = $out . "Content-transfer-encoding: 7BIT\n"
    $out = $out . "X-attachments: $filename;\n\n"
    return $out
  
 
  function write_smtpheaders($addr_from) { 
    $out = "From: $addr_from\n"
    $out = $out . "Reply-To: $addr_from\n"
    $out = $out . "X-Mailer: PHP3\n"
    $out = $out . "X-Sender: $addr_from\n"
    return $out
  
 
/*用法 - 例如:mimetype 为 "image/gif"
  $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$mimetype);
  $mailfile->sendfile();
 
  $subject -- 主题
  $sendto -- 收信人地址
  $replyto -- 回复地址
  $message -- 信件内容
  $filename -- 附件文件名
  $downfilename -- 下載的文件名
  $mimetype -- mime类型
*/
?>

Demo示例文件如下:

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<?php
  require_once('emailclass.php');
 
  //发送邮件
   
  //主題
  $subject = "test send email";
 
  //收件人
  $sendto = 'abc@163.com';
   
  //發件人
  $replyto = 'cdf@163.com';
   
  //內容
  $message = "test send email content";
   
  //附件
  $filename = 'test.jpg';
   
  //附件類別
  $mimetype = "image/jpeg";
 
  $mailfile = new CMailFile($subject,$sendto,$replyto,$message,$filename,$excelname,$mimetype); 
  $mailfile->sendfile();
?>

相信本文所述对大家php程序设计的学习有一定的借鉴价值。