郵件發送類 · 后端程序猿的知識儲備

```php <?php /** * 郵件發送類 * 支持發送純文本郵件和HTML格式的郵件，可以多收件人，多抄送，多秘密抄送，帶附件的郵件 * 需要的php擴展，sockets和Fileinfo。 * @example * $mail = new MySendMail(); * $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 設置smtp服務器 * $mail->setFrom("XXXXX"); 設置發件人 * $mail->setReceiver("XXXXX"); 設置收件人，多個收件人，調用多次 * $mail->setCc("XXXX"); 設置抄送，多個抄送，調用多次 * $mail->setBcc("XXXXX"); 設置秘密抄送，多個秘密抄送，調用多次 * $mail->setMailInfo("test", "test"); 設置郵件主題、內容 * $mail->sendMail(); 發送 */ class MySendMail { /** * @var string 郵件傳輸代理用戶名 * @access private */ private $_userName; /** * @var string 郵件傳輸代理密碼 * @access private */ private $_password; /** * @var string 郵件傳輸代理服務器地址 * @access protected */ protected $_sendServer; /** * @var int 郵件傳輸代理服務器端口 * @access protected */ protected $_port=25; /** * @var string 發件人 * @access protected */ protected $_from; /** * @var string 收件人 * @access protected */ protected $_to; /** * @var string 抄送 * @access protected */ protected $_cc; /** * @var string 秘密抄送 * @access protected */ protected $_bcc; /** * @var string 主題 * @access protected */ protected $_subject; /** * @var string 郵件正文 * @access protected */ protected $_body; /** * @var string 附件 * @access protected */ protected $_attachment; /** * @var reource socket資源 * @access protected */ protected $_socket; /** * @var string 錯誤信息 * @access protected */ protected $_errorMessage; /** * 設置郵件傳輸代理，如果是可以匿名發送有郵件的服務器，只需傳遞代理服務器地址就行 * @access public * @param string $server 代理服務器的ip或者域名 * @param string $username 認證賬號 * @param string $password 認證密碼 * @param int $port 代理服務器的端口，smtp默認25號端口 * @return boolean */ public function setServer($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; } /** * 設置發件人 * @access public * @param string $from 發件人地址 * @return boolean */ public function setFrom($from) { $this->_from = $from; return true; } /** * 設置收件人，多個收件人，連續調用多次. * @access public * @param string $to 收件人地址 * @return boolean */ public function setReceiver($to) { if(isset($this->_to)) { if(is_string($this->_to)) { $this->_to = array($this->_to); $this->_to[] = $to; return true; } elseif(is_array($this->_to)) { $this->_to[] = $to; return true; } else { return false; } } else { $this->_to = $to; return true; } } /** * 設置抄送，多個抄送，連續調用多次. * @access public * @param string $cc 抄送地址 * @return boolean */ public function setCc($cc) { if(isset($this->_cc)) { if(is_string($this->_cc)) { $this->_cc = array($this->_cc); $this->_cc[] = $cc; return true; } elseif(is_array($this->_cc)) { $this->_cc[] = $cc; return true; } else { return false; } } else { $this->_cc = $cc; return true; } } /** * 設置秘密抄送，多個秘密抄送，連續調用多次 * @access public * @param string $bcc 秘密抄送地址 * @return boolean */ public function setBcc($bcc) { if(isset($this->_bcc)) { if(is_string($this->_bcc)) { $this->_bcc = array($this->_bcc); $this->_bcc[] = $bcc; return true; } elseif(is_array($this->_bcc)) { $this->_bcc[] = $bcc; return true; } else { return false; } } else { $this->_bcc = $bcc; return true; } } /** * 設置郵件信息 * @access public * @param string $body 郵件主題 * @param string $subject 郵件主體內容，可以是純文本，也可是是HTML文本 * @param string $attachment 附件，文件地址 * @return boolean */ public function setMailInfo($subject, $body, $attachment="") { $this->_subject = $subject; $this->_body = base64_encode($body); if(!empty($attachment)) { $this->_attachment = $attachment; } return true; } /** * 發送郵件 * @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; } } //其實這里也沒必要關閉，smtp命令：QUIT發出之后，服務器就關閉了連接，本地的socket資源會自動釋放 $this->close(); echo 'Mail OK!'; return true; } /** * 返回錯誤信息 * @return string */ public function error(){ if(!isset($this->_errorMessage)) { $this->_errorMessage = ""; } return $this->_errorMessage; } /** * 返回mail命令 * @access protected * @return array */ protected function getCommand() { $command = array( array("HELO sendmail\r\n", 250) ); if(!empty($this->_userName)){ $command[] = array("AUTH LOGIN\r\n", 334); $command[] = array($this->_userName . "\r\n", 334); $command[] = array($this->_password . "\r\n", 235); } $command[] = array("MAIL FROM:<" . $this->_from . ">\r\n", 250); $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符 //設置發件人 $header = "FROM: test<" . $this->_from . ">\r\n"; //設置收件人 if(is_array($this->_to)) { $count = count($this->_to); for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_to[$i] . ">\r\n", 250); if($i == 0){ $header .= "TO: <" . $this->_to[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_to[$i] .">\r\n"; } else{ $header .= ",<" . $this->_to[$i] .">"; } } } else{ $command[] = array("RCPT TO: <" . $this->_to . ">\r\n", 250); $header .= "TO: <" . $this->_to . ">\r\n"; } //設置抄送 if(isset($this->_cc)) { if(is_array($this->_cc)) { $count = count($this->_cc); for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_cc[$i] . ">\r\n", 250); if($i == 0){ $header .= "CC: <" . $this->_cc[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_cc[$i] .">\r\n"; } else{ $header .= ",<" . $this->_cc[$i] .">"; } } } else{ $command[] = array("RCPT TO: <" . $this->_cc . ">\r\n", 250); $header .= "CC: <" . $this->_cc . ">\r\n"; } } //設置秘密抄送 if(isset($this->_bcc)) { if(is_array($this->_bcc)) { $count = count($this->_bcc); for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_bcc[$i] . ">\r\n", 250); if($i == 0){ $header .= "BCC: <" . $this->_bcc[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_bcc[$i] .">\r\n"; } else{ $header .= ",<" . $this->_bcc[$i] .">"; } } } else{ $command[] = array("RCPT TO: <" . $this->_bcc . ">\r\n", 250); $header .= "BCC: <" . $this->_bcc . ">\r\n"; } } $header .= "Subject: " . $this->_subject ."\r\n"; if(isset($this->_attachment)) { //含有附件的郵件頭需要聲明成這個 $header .= "Content-Type: multipart/mixed;\r\n"; } elseif(false){ //郵件體含有圖片資源的需要聲明成這個 $header .= "Content-Type: multipart/related;\r\n"; } else{ //html或者純文本的郵件聲明成這個 $header .= "Content-Type: multipart/alternative;\r\n"; } //郵件頭分隔符 $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 .= "--" . $separator . "\r\n"; //加入附件 if(isset($this->_attachment)){ $header .= "\r\n--" . $separator . "\r\n"; $header .= "Content-Type: " . $this->getMIMEType() . '; name="' . basename($this->_attachment) . '"' . "\r\n"; $header .= "Content-Transfer-Encoding: base64\r\n"; $header .= 'Content-Disposition: attachment; filename="' . basename($this->_attachment) . '"' . "\r\n"; $header .= "\r\n"; $header .= $this->readFile(); $header .= "\r\n--" . $separator . "\r\n"; } $header .= "\r\n.\r\n"; $command[] = array("DATA\r\n", 354); $command[] = array($header, 250); $command[] = array("QUIT\r\n", 221); return $command; } /** * 發送命令 * @access protected * @param string $command 發送到服務器的smtp命令 * @param int $code 期望服務器返回的響應嗎 * @return boolean */ protected function sendCommand($command, $code) { echo 'Send command:' . $command . ',expected code:' . $code . ' '; //發送命令給服務器 try{ if(socket_write($this->_socket, $command, strlen($command))){ //當郵件內容分多次發送時，沒有$code，服務器沒有返回 if(empty($code)) { return true; } //讀取服務器返回 $data = trim(socket_read($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:" . $e->getMessage(); } } /** * 讀取附件文件內容，返回base64編碼后的文件內容 * @access protected * @return mixed */ protected function readFile() { if(isset($this->_attachment) && file_exists($this->_attachment)) { $file = file_get_contents($this->_attachment); return base64_encode($file); } else { return false; } } /** * 獲取附件MIME類型 * @access protected * @return mixed */ protected function getMIMEType() { if(isset($this->_attachment) && file_exists($this->_attachment)) { $mime = mime_content_type($this->_attachment); if(! preg_match("/gif|jpg|png|jpeg/", $mime)){ $mime = "application/octet-stream"; } return $mime; } else { return false; } } /** * 建立到服務器的網絡連接 * @access private * @return boolean */ private function socket() { if(!function_exists("socket_create")) { $this->_errorMessage = "Extension sockets must be enabled"; return false; } //創建socket資源 $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp')); if(!$this->_socket) { $this->_errorMessage = socket_strerror(socket_last_error()); return false; } socket_set_block($this->_socket);//設置阻塞模式 //連接服務器 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; } /** * 關閉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; } } <?php /** * 郵件發送類 * 僅支持發送純文本和HTML內容郵件 * 需要的php擴展，sockets * @example * $mail = new MySendMail(); * $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 設置smtp服務器 * $mail->setFrom("XXXXX"); 設置發件人 * $mail->setReceiver("XXXXX"); 設置收件人 * $mail->setMailInfo("test", "test"); 設置郵件主題、內容 * $mail->sendMail(); 發送 */ class MySendMail2 { /** * @var string 郵件傳輸代理用戶名 * @access private */ private $_userName; /** * @var string 郵件傳輸代理密碼 * @access private */ private $_password; /** * @var string 郵件傳輸代理服務器地址 * @access private */ private $_sendServer; /** * @var int 郵件傳輸代理服務器端口 * @access protected */ protected $_port=25; /** * @var string 發件人 * @access protected */ protected $_from; /** * @var string 收件人 * @access protected */ protected $_to; /** * @var string 主題 * @access protected */ protected $_subject; /** * @var string 郵件正文 * @access protected */ protected $_body; /** * @var reource socket資源 * @access protected */ protected $_socket; /** * @var string 錯誤信息 * @access protected */ protected $_errorMessage; /** * 設置郵件傳輸代理，如果是可以匿名發送有郵件的服務器，只需傳遞代理服務器地址就行 * @access public * @param string $server 代理服務器的ip或者域名 * @param string $username 認證賬號 * @param string $password 認證密碼 * @param int $port 代理服務器的端口，smtp默認25號端口 * @return boolean */ public function setServer($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; } /** * 設置發件人 * @access public * @param string $from 發件人地址 * @return boolean */ public function setFrom($from) { $this->_from = $from; return true; } /** * 設置收件人 * @access public * @param string $to 收件人地址 * @return boolean */ public function setReceiver($to) { $this->_to = $to; return true; } /** * 設置郵件信息 * @access public * @param string $body 郵件主題 * @param string $subject 郵件主體內容，可以是純文本，也可是是HTML文本 * @return boolean */ public function setMailInfo($subject, $body) { $this->_subject = $subject; $this->_body = base64_encode($body); if(!empty($attachment)) { $this->_attachment = $attachment; } return true; } /** * 發送郵件 * @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; } } //其實這里也沒必要關閉，smtp命令：QUIT發出之后，服務器就關閉了連接，本地的socket資源會自動釋放 $this->close(); echo 'Mail OK!'; return true; } /** * 返回錯誤信息 * @return string */ public function error(){ if(!isset($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); } //設置發件人 $command[] = array("MAIL FROM: <" . $this->_from . ">\r\n", 250); $header = "FROM: <" . $this->_from . ">\r\n"; //設置收件人 $command[] = array("RCPT TO: <" . $this->_to . ">\r\n", 250); $header .= "TO: <" . $this->_to . ">\r\n"; $header .= "Subject: " . $this->_subject ."\r\n"; $header .= "Content-Type: multipart/alternative;\r\n"; //郵件頭分隔符 $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"; //結束數據 $header .= "\r\n.\r\n"; $command[] = array("DATA\r\n", 354); $command[] = array($header, 250); $command[] = array("QUIT\r\n", 221); return $command; } /** * 發送命令 * @access protected * @param string $command 發送到服務器的smtp命令 * @param int $code 期望服務器返回的響應嗎 * @return boolean */ protected function sendCommand($command, $code) { echo 'Send command:' . $command . ',expected code:' . $code . ' '; //發送命令給服務器 try{ if(socket_write($this->_socket, $command, strlen($command))){ //當郵件內容分多次發送時，沒有$code，服務器沒有返回 if(empty($code)) { return true; } //讀取服務器返回 $data = trim(socket_read($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(); } } /** * 建立到服務器的網絡連接 * @access private * @return boolean */ private function socket() { if(!function_exists("socket_create")) { $this->_errorMessage = "Extension sockets must be enabled"; return false; } //創建socket資源 $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp')); if(!$this->_socket) { $this->_errorMessage = socket_strerror(socket_last_error()); return false; } socket_set_block($this->_socket);//設置阻塞模式 //連接服務器 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; } /** * 關閉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", "XXXXX@XXXXX", "XXXX"); // $mail->setFrom("XXXXX@XXXXX"); // $mail->setReceiver("XXXXX@XXXXX"); // $mail->setMailInfo("test", "test"); // $mail->sendMail(); ?> ```