PHP邮件发送类【精简版】-php手册-php.cn

一般发系统通知之类的邮件，这个版本就足够.
<?php /** * 邮件发送类 * 仅支持发送纯文本和HTML内容邮件 * 需要的php扩展，sockets * @example * $mail = new MySendMail(); * $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 设置smtp服务器 * $mail->setFrom("XXXXX"); 设置发件人 * $mail->setReceiver("XXXXX"); 设置收件人 * $mail->setMailInfo("test", "test"); 设置邮件主题、内容 * $mail->sendMail(); 发送 */ class MySendMail { /** * @var string 邮件传输代理用户名 * @access private */ private $_userName; /** * @var string 邮件传输代理密码 * @access private */ private $_password; /** * @var string 邮件传输代理服务器地址 * @access private */ private $_sendServer; /** * @var int 邮件传输代理服务器端口 * @access protected */ protected $_port=25; /** * @var string 发件人 * @access protected */ protected $_from; /** * @var string 收件人 * @access protected */ protected $_to; /** * @var string 主题 * @access protected */ protected $_subject; /** * @var string 邮件正文 * @access protected */ protected $_body; /** * @var reource socket资源 * @access protected */ protected $_socket; /** * @var string 错误信息 * @access protected */ protected $_errorMessage; /** * 设置邮件传输代理，如果是可以匿名发送有邮件的服务器，只需传递代理服务器地址就行 * @access public * @param string $server 代理服务器的ip或者域名 * @param string $username 认证账号 * @param string $password 认证密码 * @param int $port 代理服务器的端口，smtp默认25号端口 * @return boolean */ public function setServer($server, $username="", $password="", $port=25) { $this->_sendServer = $server; $this->_port = $port; if(!empty($username)) { $this->_userName = base64_encode($username); } if(!empty($password)) { $this->_password = base64_encode($password); } return true; } /** * 设置发件人 * @access public * @param string $from 发件人地址 * @return boolean */ public function setFrom($from) { $this->_from = $from; return true; } /** * 设置收件人 * @access public * @param string $to 收件人地址 * @return boolean */ public function setReceiver($to) { $this->_to = $to; return true; } /** * 设置邮件信息 * @access public * @param string $body 邮件主题 * @param string $subject 邮件主体内容，可以是纯文本，也可是是HTML文本 * @return boolean */ public function setMailInfo($subject, $body) { $this->_subject = $subject; $this->_body = base64_encode($body); if(!empty($attachment)) { $this->_attachment = $attachment; } return true; } /** * 发送邮件 * @access public * @return boolean */ public function sendMail() { $command = $this->getCommand(); $this->socket(); foreach ($command as $value) { if($this->sendCommand($value[0], $value[1])) { continue; } else{ return false; } } //其实这里也没必要关闭，smtp命令：QUIT发出之后，服务器就关闭了连接，本地的socket资源会自动释放 $this->close(); echo 'Mail OK!'; return true; } /** * 返回错误信息 * @return string */ public function error(){ if(!isset($this->_errorMessage)) { $this->_errorMessage = ""; } return $this->_errorMessage; } /** * 返回mail命令 * @access protected * @return array */ protected function getCommand() { $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符 $command = array( array("HELO sendmail\r\n", 250) ); if(!empty($this->_userName)){ $command[] = array("AUTH LOGIN\r\n", 334); $command[] = array($this->_userName . "\r\n", 334); $command[] = array($this->_password . "\r\n", 235); } //设置发件人 $command[] = array("MAIL FROM: _from . ">\r\n", 250); $header = "FROM: _from . ">\r\n"; //设置收件人 $command[] = array("RCPT TO: _to . ">\r\n", 250); $header .= "TO: _to . ">\r\n"; $header .= "Subject: " . $this->_subject ."\r\n"; $header .= "Content-Type: multipart/alternative;\r\n"; //邮件头分隔符 $header .= "\t" . 'boundary="' . $separator . '"'; $header .= "\r\nMIME-Version: 1.0\r\n"; $header .= "\r\n--" . $separator . "\r\n"; $header .= "Content-Type:text/html; charset=utf-8\r\n"; $header .= "Content-Transfer-Encoding: base64\r\n\r\n"; $header .= $this->_body . "\r\n"; $header .= "--" . $separator . "\r\n"; //结束数据 $header .= "\r\n.\r\n"; $command[] = array("DATA\r\n", 354); $command[] = array($header, 250); $command[] = array("QUIT\r\n", 221); return $command; } /** * 发送命令 * @access protected * @param string $command 发送到服务器的smtp命令 * @param int $code 期望服务器返回的响应吗 * @return boolean */ protected function sendCommand($command, $code) { echo 'Send command:' . $command . ',expected code:' . $code . ' '; //发送命令给服务器 try{ if(socket_write($this->_socket, $command, strlen($command))){ //当邮件内容分多次发送时，没有$code，服务器没有返回 if(empty($code)) { return true; } //读取服务器返回 $data = trim(socket_read($this->_socket, 1024)); echo 'response:' . $data . ' '; if($data) { $pattern = "/^".$code."/"; if(preg_match($pattern, $data)) { return true; } else{ $this->_errorMessage = "Error:" . $data . "|**| command:"; return false; } } else{ $this->_errorMessage = "Error:" . socket_strerror(socket_last_error()); return false; } } else{ $this->_errorMessage = "Error:" . socket_strerror(socket_last_error()); return false; } }catch(Exception $e) { $this->_errorMessage = "Error:" . $e->getMessage(); } } /** * 建立到服务器的网络连接 * @access private * @return boolean */ private function socket() { if(!function_exists("socket_create")) { $this->_errorMessage = "Extension sockets must be enabled"; return false; } //创建socket资源 $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp')); if(!$this->_socket) { $this->_errorMessage = socket_strerror(socket_last_error()); return false; } socket_set_block($this->_socket);//设置阻塞模式 //连接服务器 if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) { $this->_errorMessage = socket_strerror(socket_last_error()); return false; } socket_read($this->_socket, 1024); return true; } /** * 关闭socket * @access private * @return boolean */ private function close() { if(isset($this->_socket) && is_object($this->_socket)) { $this->_socket->close(); return true; } $this->_errorMessage = "No resource can to be close"; return false; } } /**************************** Test ***********************************/ $mail = new MySendMail(); $mail->setServer("XXXX", "XXX@XXX", "XXX"); $mail->setFrom("XXX@XX"); $mail->setReceiver("XXX@XX"); $mail->setMailInfo("test", "test"); $mail->sendMail();

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