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利用php中mail函数发送带有附件的邮件

时间：2022-06-24 22:04:40 编辑：袖梨 来源：一聚教程网

mail函数,发送邮件

语法： mail(to,subject,message,headers,parameters)

to 规定邮件的接收者
subject 规定邮件的主题。该参数不能包含任何换行字符
message 规定要发送的消息
headers 规定额外的报头，比如 From, Cc 以及 Bcc
parameters 规定 sendmail 程序的额外参数。
碰到的主要问题是乱码问题，刚开始是某些客户端接收邮件时好(比如QQ邮箱，估计带自动那个识别编码)的有些不foxmail、ipad显示乱码，解决方式正确的设置这个mail的headers就行了，下面是我使用的完美的无乱码的例子。


 在PHP中配置php.ini文件过程分为两个步骤：

1.先找到你放置所有PHP，Apache，MySQL文件的地方，在PHP文件夹里你可以发现有一个文件：php.ini，打开后，找到mail function地方，将原来的配置代码改为如下（仅对windows系统）：

[mail function]
; For Win32 only.
SMTP =smtp.sohu.com   
mtp_port=25


; For Win32 only.
sendmail_from = 填上你的电子邮件全称。

   此处为以sohu的邮件服务器设置，如果你用163的邮箱，则设置为：smtp.163.com

2.在C盘搜索php.ini，选择不是快捷方式的那一个php.ini，应该在C/WINDOWS里面的，打开它，如上面一样修改它，保存。

设置完后，记得重启Apache服务器，然后mail()函数就可以用了。

例

 代码如下 复制代码

// 当发送 HTML 电子邮件时，请始终设置 content-type
$headers = "MIME-Version: 1.0" . "rn";

$headers .= "Content-type:text/html; charset=utf-8";

mail($to,$subject,$message,$headers);
?>

上面函数不可以带附件了，下面我们升级一下

 

 代码如下 复制代码

class Mail {
private $topic;
private $toaddr;
private $fromaddr;
private $cc;
private $content;
private $attach;
private $header;
private $domain;//邮箱域
private $msg;

private $filename;
private $filemime;
private $filestr;

private $boundary;
private $uniqid;

private $eol; //每行末尾所加的换行符类型


function __construct(){
$this->getEOT();//生成结尾换行符
$this->getUniq_id();
$this->header='';
$this->attach='';
$this->cc='';
$this->msg='';


}


public function getFromaddr() {
return $this->fromaddr;
}

public function setFromaddr($fromaddr) {
$this->fromaddr = $fromaddr;
}

public function getTopic() {
return $this->topic;
}


public function getToaddr() {
return $this->toaddr;
}


public function getCc() {
return $this->cc;
}

public function getContent() {
return $this->content;
}


public function getAttach() {
return $this->attach;
}


public function setTopic($topic) {
$this->topic = mb_convert_encoding(trim($topic),'UTF-8','auto');
}

public function setToaddr($toaddr) {
$this->toaddr = trim($toaddr);
}


public function setCc($cc) {
$this->cc = trim($cc);
}


public function setContent($content) {
$this->content = mb_convert_encoding(trim($content),'UTF-8','auto');
}


public function setAttach($attach) {
$this->attach = trim($attach);
}

public function getDomain() {
return $this->domain;
}

public function setDomain($domain) {
$this->domain = $domain;//输入的值为'@domain.com'
}


/*
* 根据系统类型设置换行符
*/
private function getEOT() {
if (strtoupper ( substr ( PHP_OS, 0, 3 ) == 'WIN' )) {
$this->eol = "rn";
} elseif (strtoupper ( substr ( PHP_OS, 0, 3 ) == 'MAC' )) {
$this->eol= "r";
} else {
$this->eol = "n";
}
}


private function getBoundary(){

$this->boundary= '--'.substr(md5(time().rand(1000,2000)),0,16);

}

private function getUniq_id(){

$this->uniqid= md5(microtime().time().rand(1,100));

}

private function outputCommonHeader(){
$this->header .= 'From: '.$this->fromaddr.$this->eol;
//$this->header .= 'To: '.$this->toaddr.$this->eol;
//$this->header .= 'Subject: '.$this->topic.$this->eol;
$this->header .= 'Message-ID: <'.$this->uniqid.$this->domain.'>'.$this->eol;
$this->header .= 'MIME-Version: 1.0'.$this->eol;
$this->header .= 'Reply-To: '.$this->fromaddr.$this->eol;
$this->header .= 'Return-Path: '.$this->fromaddr.$this->eol;
$this->header .= 'X-Mailer: Xmail System'.$this->eol;
$this->header .= 'Content-Disposition: inline'.$this->eol;
}

private function mime_content_type ( $f )
{
$temp = trim ( exec ('file -bi ' . escapeshellarg ( $f ) ) ) ;
$temp = preg_replace('/s+/',' ',$temp);
$temp = explode(' ',$temp);
return $temp[0];
}//判断文件的mime类型


/*
* 只带有抄送
*/
private function mailWithCC(){
$this->header .= 'Cc: '.$this->cc.$this->eol;
$this->header .= 'Content-type: text/html; charset=UTF-8'.$this->eol;
$this->header .= 'Content-Transfer-Encoding: 8bit'.$this->eol;
$this->msg = $this->content;
if(mail($this->toaddr,$this->topic,$this->msg,$this->header)){

return 1;
}else{
return 0;
}
}
/*
* $filedir需要是绝对地址
*/
private function attachmentToBase64($filedir){
$this->filename = basename($filedir);
@$fopen = fopen($filedir,'r');
$str = fread($fopen,filesize($filedir));
$str = base64_encode($str);
$this->filestr = $str;
}


/*
* 只带有附件
*/
private function mailWithAttach(){
$this->attachmentToBase64($this->attach);
$this->header .= 'Content-type: multipart/mixed; boundary="'.str_replace('--','',$this->boundary).'"'.$this->eol;
$this->msg .= $this->eol.$this->boundary.$this->eol;
$this->msg .= 'Content-Type: text/html; charset=utf-8'.$this->eol;
$this->msg .= 'Content-Disposition: inline'.$this->eol;
$this->msg .= $this->eol.$this->content.$this->eol;
$this->msg .= $this->boundary.$this->eol;
$this->msg .= 'Content-Type: '.$this->mime_content_type($this->attach).$this->eol;
$this->msg .= 'Content-Disposition: attachment; filename="'.$this->filename.'"'.$this->eol;
$this->msg .= 'Content-Transfer-Encoding: base64'.$this->eol;
$this->msg .= $this->eol.$this->filestr.$this->eol;
$this->msg .= $this->eol.$this->boundary.'--';

if(mail($this->toaddr,$this->topic,$this->msg,$this->header)){

return 1;
}else{
return 0;
}
}

/*
* 带有附件和抄送
*/
private function mailAll(){

$this->attachmentToBase64($this->attach);
$this->header .= 'Cc: '.$this->cc.$this->eol;
$this->header .= 'Content-type: multipart/mixed; boundary="'.str_replace('--','',$this->boundary).'"'.$this->eol;
$this->msg .= $this->eol.$this->boundary.$this->eol;
$this->msg .= 'Content-Type: text/html; charset=utf-8'.$this->eol;
$this->msg .= 'Content-Disposition: inline'.$this->eol;
$this->msg .= $this->eol.$this->content.$this->eol;
$this->msg .= $this->boundary.$this->eol;
$this->msg .= 'Content-Type: '.$this->mime_content_type($this->attach).$this->eol;
$this->msg .= 'Content-Disposition: attachment; filename="'.$this->filename.'"'.$this->eol;
$this->msg .= 'Content-Transfer-Encoding: base64'.$this->eol;
$this->msg .= $this->eol.$this->filestr.$this->eol;
$this->msg .= $this->eol.$this->boundary.'--';

if(mail($this->toaddr,$this->topic,$this->msg,$this->header)){

return 1;
}else{
return 0;
}

}
/*
* 不带抄送和附件
*/
private function mailSimple(){
$this->header .= 'Content-type: text/html; charset=UTF-8'.$this->eol;
$this->header .= 'Content-Transfer-Encoding: 8bit'.$this->eol;
$this->msg = $this->content;
if(mail($this->toaddr,$this->topic,$this->msg,$this->header)){

return 1;
}else{
return 0;
}
}

public function send(){

if(empty($this->attach)&&empty($this->cc)){
$this->outputCommonHeader();
return $this->mailSimple();

}else if(empty($this->attach)){
$this->outputCommonHeader();
return $this->mailWithCC();

}else if(empty($this->cc)){
$this->outputCommonHeader();
$this->getBoundary(); //有附件就生成boundary
return $this->mailWithAttach();

}else if(!empty($this->toaddr)&&!empty($this->topic)&&!empty($this->cc)&&!empty($this->content)&&!empty($this->attach)){
$this->outputCommonHeader();
$this->getBoundary(); //有附件就生成boundary
return $this->mailAll();
}
}
}


示例代码，有些变量需要上下文环境：

 代码如下 复制代码

$m = new Mail();
$m->setToaddr($this->temp['receipt_address']);
$m->setTopic($this->temp['mail_title']);
$m->setContent($this->temp['mail_content']);
$m->setFromaddr($_SESSION['user']['name'].' <'.$_SESSION['user']['name'].'@'.SystemDomain.'>');
$m->setDomain('@'.SystemDomain);
$m->setCc($this->temp['cc_address']);
$m->setAttach(PATH.'/temp/'.$this->temp['attachment_file']);
$m->send();


优点：使用方便就一个简单的函数
缺点：需要php.ini支持该函数，如果某些服务器不支持而又不能改环境那就不行了而且总是不稳定，发的有时能收到有时不能

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