怎麼解決imap php 亂碼問題

2020-08-12 12:00:24

imap php亂碼問題的解決辦法:首先開啓相應的PHP檔案;然後新增iconv進行字元編碼格式轉換即可解決亂碼問題,其語句如「iconv('gb2312','utf8',imap_base64($text));」。

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php imap/pop3 接收郵件類,解決中文亂碼

小弟目的想在嵌入式開發板上實現接收郵件,當然谷歌了一下,發現還是有很多實現方法的:php最簡單,C socket實現效率最高(我是這麼感覺),當然也少不了python實現(不過還沒動手測試)等等。

今天先介紹一下php 接受郵件類,這個類最初是老外Mitul Koradia寫的,感覺實現功能也很完整:

該類的主要方法如下:

class receiveMail
{
    ...
    function receiveMail($username,$password,$EmailAddress,$mailserver='localhost',$servertype='pop',$port='110',$ssl = false) //Constructure
    function getHeaders($mid) // Get Header info
    function getTotalMails() //Get Total Number off Unread Email In Mailbox
    function getUnreadMails() //Get Number of Unread Mail from Mailbox
    function searchUnreadMails() //Find Numbers of Unread Mail by imap_search Method
    function GetAttach($mid,$path) // Get Atteced File from Mail
    function getBody($mid) // Get Message Body
    function deleteMails($mid) // Delete That Mail
    function close_mailbox() //Close Mail Box

不過有些瑕疵,我閱讀後稍作修改,主要是郵件頭沒進行MIME解碼,郵件中文內容亂碼。

首先關於郵件頭的解碼過程,Mitul Koradia的處理方法如下:

function getHeaders($mid) // Get Header info
{
if(!$this->marubox)
return false;
$mail_header=imap_header($this->marubox,$mid);
$sender=$mail_header->from[0];
$sender_replyto=$mail_header->reply_to[0];
if(strtolower($sender->mailbox)!='mailer-daemon' && strtolower($sender->mailbox)!='postmaster')
{
$mail_details=array(
'from'=>strtolower($sender->mailbox).'@'.$sender->host,
'fromName'=>$sender->personal,
'subject'=>$mail_header->subject,
'to'=>$mail_header->toaddress
);
}
return $mail_details;
}

但是返回結果是MIME編碼字元,顯然不行,於是新增了imap_mime_header_decode方法後就可以了。

function getHeaders($mid) // Get Header info
{
if(!$this->marubox)
return false;
$mail_header=imap_header($this->marubox,$mid);
$sender=$mail_header->from[0];
$sender_replyto=$mail_header->reply_to[0];
if(strtolower($sender->mailbox)!='mailer-daemon' && strtolower($sender->mailbox)!='postmaster')
{
$mail_details=array(
'from'=>strtolower($sender->mailbox).'@'.$sender->host,
'fromName'=>imap_mime_header_decode($sender->personal)[0]->text,
'subject'=>imap_mime_header_decode($mail_header->subject)[0]->text,
'to'=>imap_mime_header_decode($mail_header->toaddress)[0]->text
);
}
return $mail_details;
}

最後關於郵件中文內容亂碼的問題,老外肯定不會去考慮啦,其實也是比較簡單,新增iconv進行字元編碼格式轉換即可:

function get_part($stream, $msg_number, $mime_type, $structure = false, $part_number = false) //Get Part Of Message Internal Private Use
{ 
if(!$structure) { 
$structure = imap_fetchstructure($stream, $msg_number); 
} 
if($structure) { 
if($mime_type == $this->get_mime_type($structure))
{ 
if(!$part_number) 
{ 
$part_number = "1"; 
} 
$text = imap_fetchbody($stream, $msg_number, $part_number); 
if($structure->encoding == 3) 
{ 
return iconv('gb2312','utf8',imap_base64($text)); 
} 
else if($structure->encoding == 4) 
{ 
return iconv('gb2312','utf8',imap_qprint($text)); 
} 
else
{ 
return iconv('gb2312','utf8',$text); 
} 
} 
if($structure->type == 1) /* multipart */ 
{ 
while(list($index, $sub_structure) = each($structure->parts))
{ 
if($part_number)
{ 
$prefix = $part_number . '.'; 
} 
$data = $this->get_part($stream, $msg_number, $mime_type, $sub_structure, $prefix . ($index + 1)); 
if($data)
{ 
return $data; 
} 
} 
} 
} 
return false; 
}

初學PHP,感覺很多還不懂,希望能再接再厲

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