php实现在站点里面添加邮件发送的功能，php邮件发送_PHP教程

php实现在站点里面添加邮件发送的功能，php邮件发送

下面夏日博客来讲下如何在站点里面添加一个邮件发送的功能。
首先需要下载一个smtp 的 php 邮件发送类，代码如下:

<?php
class smtp 
{ 
  /* Public Variables */
  public $smtp_port; 
  public $time_out; 
  public $host_name; 
  public $log_file; 
  public $relay_host; 
  public $debug; 
  public $auth; 
  public $user; 
  public $pass; 
   
  /* Private Variables */
  private $sock; 
 
  /* Constractor */
  function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass) 
  { 
    $this->debug = FALSE; 
    $this->smtp_port = $smtp_port; 
    $this->relay_host = $relay_host; 
    $this->time_out = 30; //is used in fsockopen() 
    # 
    $this->auth = $auth;//auth 
    $this->user = $user; 
    $this->pass = $pass; 
    # 
    $this->host_name = "localhost"; //is used in HELO command 
    $this->log_file =""; 
     
    $this->sock = FALSE; 
  } 
 
  /* Main Function */
  function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "") 
  { 
    $mail_from = $this->get_address($this->strip_comment($from)); 
    $body = preg_replace("/(^|(\r\n))(\\.)/", "\\1.\\3", $body); 
    $header .= "MIME-Version:1.0\r\n"; 
    if($mailtype=="HTML"){ 
      $header .= "Content-Type:text/html\r\n"; 
    } 
      $header .= "To: ".$to."\r\n"; 
    if ($cc != "") { 
      $header .= "Cc: ".$cc."\r\n"; 
    } 
    $header .= "From: $from<".$from.">\r\n"; 
    $header .= "Subject: ".$subject."\r\n"; 
    $header .= $additional_headers; 
    $header .= "Date: ".date("r")."\r\n"; 
    $header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n"; 
    list($msec, $sec) = explode(" ", microtime()); 
    $header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n"; 
    $TO = explode(",", $this->strip_comment($to)); 
   
    if ($cc != "") { 
    $TO = array_merge($TO, explode(",", $this->strip_comment($cc))); 
    } 
     
    if ($bcc != "") { 
    $TO = array_merge($TO, explode(",", $this->strip_comment($bcc))); 
    } 
   
    $sent = TRUE; 
    foreach ($TO as $rcpt_to) { 
      $rcpt_to = $this->get_address($rcpt_to); 
      if (!$this->smtp_sockopen($rcpt_to)) { 
        $this->log_write("Error: Cannot send email to ".$rcpt_to."\n"); 
        $sent = FALSE; 
        continue; 
      } 
      if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) { 
        $this->log_write("E-mail has been sent to <".$rcpt_to.">\n"); 
      } else { 
        $this->log_write("Error: Cannot send email to <".$rcpt_to.">\n"); 
        $sent = FALSE; 
      } 
      fclose($this->sock); 
      $this->log_write("Disconnected from remote host\n"); 
    } 
    echo "
"; 
    //echo $header; 
    return $sent; 
  } 
 
  /* Private Functions */
   
  function smtp_send($helo, $from, $to, $header, $body = "") 
  { 
    if (!$this->smtp_putcmd("HELO", $helo)) { 
      return $this->smtp_error("sending HELO command"); 
    } 
    #auth 
    if($this->auth){ 
      if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) { 
        return $this->smtp_error("sending HELO command"); 
      } 
      if (!$this->smtp_putcmd("", base64_encode($this->pass))) { 
        return $this->smtp_error("sending HELO command"); 
      } 
    } 
    # 
    if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) { 
      return $this->smtp_error("sending MAIL FROM command"); 
    } 
     
    if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) { 
      return $this->smtp_error("sending RCPT TO command"); 
    } 
 
    if (!$this->smtp_putcmd("DATA")) { 
      return $this->smtp_error("sending DATA command"); 
    } 
     
    if (!$this->smtp_message($header, $body)) { 
      return $this->smtp_error("sending message"); 
    } 
 
    if (!$this->smtp_eom()) { 
      return $this->smtp_error("sending . [EOM]"); 
    } 
     
    if (!$this->smtp_putcmd("QUIT")) { 
      return $this->smtp_error("sending QUIT command"); 
    } 
 
    return TRUE; 
  } 
 
  function smtp_sockopen($address) 
  { 
    if ($this->relay_host == "") { 
      return $this->smtp_sockopen_mx($address); 
    } else { 
      return $this->smtp_sockopen_relay(); 
    } 
  } 
 
  function smtp_sockopen_relay() 
  { 
    $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n"); 
    $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out); 
    if (!($this->sock && $this->smtp_ok())) { 
      $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n"); 
      $this->log_write("Error: ".$errstr." (".$errno.")\n"); 
      return FALSE; 
    } 
    $this->log_write("Connected to relay host ".$this->relay_host."\n"); 
    return TRUE;; 
  } 
 
  function smtp_sockopen_mx($address) 
  { 
    $domain = preg_replace("/^.+@([^@]+)$/", "\\1", $address); 
    if (!@getmxrr($domain, $MXHOSTS)) { 
      $this->log_write("Error: Cannot resolve MX \"".$domain."\"\n"); 
      return FALSE; 
    } 
    foreach ($MXHOSTS as $host) { 
      $this->log_write("Trying to ".$host.":".$this->smtp_port."\n"); 
      $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out); 
      if (!($this->sock && $this->smtp_ok())) { 
        $this->log_write("Warning: Cannot connect to mx host ".$host."\n"); 
        $this->log_write("Error: ".$errstr." (".$errno.")\n"); 
        continue; 
      } 
      $this->log_write("Connected to mx host ".$host."\n"); 
      return TRUE; 
    } 
    $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n"); 
    return FALSE; 
  } 
 
  function smtp_message($header, $body) 
  { 
    fputs($this->sock, $header."\r\n".$body); 
    $this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> ")); 
     
    return TRUE; 
  } 
 
  function smtp_eom() 
  { 
    fputs($this->sock, "\r\n.\r\n"); 
    $this->smtp_debug(". [EOM]\n"); 
     
    return $this->smtp_ok(); 
  } 
 
  function smtp_ok() 
  { 
    $response = str_replace("\r\n", "", fgets($this->sock, 512)); 
    $this->smtp_debug($response."\n"); 
     
    if (!preg_match("/^[23]/", $response)) { 
      fputs($this->sock, "QUIT\r\n"); 
      fgets($this->sock, 512); 
      $this->log_write("Error: Remote host returned \"".$response."\"\n"); 
      return FALSE; 
    } 
    return TRUE; 
  } 
 
  function smtp_putcmd($cmd, $arg = "") 
  { 
    if ($arg != "") { 
      if($cmd=="") $cmd = $arg; 
      else $cmd = $cmd." ".$arg; 
    } 
 
    fputs($this->sock, $cmd."\r\n"); 
    $this->smtp_debug("> ".$cmd."\n"); 
 
    return $this->smtp_ok(); 
  } 
 
  function smtp_error($string) 
  { 
    $this->log_write("Error: Error occurred while ".$string.".\n"); 
    return FALSE; 
  } 
 
  function log_write($message) 
  { 
    $this->smtp_debug($message); 
     
    if ($this->log_file == "") { 
      return TRUE; 
    } 
 
    $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message; 
    if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) { 
      $this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n"); 
      return FALSE; 
    } 
    flock($fp, LOCK_EX); 
    fputs($fp, $message); 
    fclose($fp); 
     
    return TRUE; 
  } 
 
  function strip_comment($address) 
  { 
    $comment = "/\\([^()]*\\)/"; 
    while (preg_match($comment, $address)) { 
      $address = preg_replace($comment, "", $address); 
    } 
     
    return $address; 
  } 
 
  function get_address($address) 
  { 
    $address = preg_replace("/([ \t\r\n])+/", "", $address); 
    $address = preg_replace("/^.*<(.+)>.*$/", "\\1", $address); 
     
    return $address; 
  } 
 
  function smtp_debug($message) 
  { 
    if ($this->debug) { 
      echo $message."
"; 
    } 
  } 
 
function get_attach_type($image_tag) { // 
 
  $filedata = array(); 
   
  $img_file_con=fopen($image_tag,"r"); 
  unset($image_data); 
  while ($tem_buffer=AddSlashes(fread($img_file_con,filesize($image_tag)))) 
  $image_data.=$tem_buffer; 
  fclose($img_file_con); 
 
  $filedata['context'] = $image_data; 
  $filedata['filename']= basename($image_tag); 
  $extension=substr($image_tag,strrpos($image_tag,"."),strlen($image_tag)-strrpos($image_tag,".")); 
  switch($extension){ 
    case ".gif": 
      $filedata['type'] = "image/gif"; 
      break; 
    case ".gz": 
      $filedata['type'] = "application/x-gzip"; 
      break; 
    case ".htm": 
      $filedata['type'] = "text/html"; 
      break; 
    case ".html": 
      $filedata['type'] = "text/html"; 
      break; 
    case ".jpg": 
      $filedata['type'] = "image/jpeg"; 
      break; 
    case ".tar": 
      $filedata['type'] = "application/x-tar"; 
      break; 
    case ".txt": 
      $filedata['type'] = "text/plain"; 
      break; 
    case ".zip": 
      $filedata['type'] = "application/zip"; 
      break; 
    default: 
      $filedata['type'] = "application/octet-stream"; 
      break; 
  } 
  return $filedata; 
  } 
 
} // end class 
?>

这类的邮件发送类网上有许多，可以挑一款自己喜欢的就行，将以上的代码保存为 ZC_Email.class.php 文件，然后在使用的时候直接 include_once("ZC_Email.class.php") 就可以了，代码如下:

<?php 
include_once("ZC_Email.class.php");
?>

这是将邮件的发送类已经嵌入到页面中了，下一步就要在页面进行内容的发送了，我这里的系统是用户购买成功后进行发送，实例代码如下:

//空间购买成功发送邮件
    $smtpserver = "smtp.163.com";//SMTP服务器 
    $smtpserverport =25;//SMTP服务器端口 
    $smtpusermail = "xiariboke@163.com";//SMTP服务器的用户邮箱 
    $smtpemailto = "xiariboke@qq.com";//发送给谁 
    $smtpuser = "xiariboke@163.com";//SMTP服务器的用户帐号 
    $smtppass = "xiariboke";//SMTP服务器的用户密码 
    $mailsubject = "精品门业网香港空间购买";//邮件主题 
    $mailbody = "成功购买香港空间 $size M空间，购买域名为：$domain 购买时间为:".format_date(time(),2)." 到期时间为: $lasttime ".format_date(time(),5);//邮件内容 
    $mailtype = "TXT";//邮件格式（HTML/TXT）,TXT为文本邮件 
    ########################################## 
    $smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证. 
    $smtp->debug = false;//是否显示发送的调试信息 
    $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype); 
    //邮件发送结束
 
    showmsg('购买成功！','ZC_Link_List.php?sort=2');

其中 SMTP 服务器的用户邮箱和密码自己要设置好，这是发给指定的一个邮箱，当然可以自定义改成自己的，这里面的变量都是我站点内使用的，如果不需要可以自己稍微修改一下，这里不多讲了。
希望本文所述对大家学习php程序设计有所帮助。

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