我终于拼凑出了一个代码，该代码允许我将FDF文件从服务器发送到电子邮件，而不会将我的文件缩减为0kb附件。问题是，我必须摆脱电子邮件的主体才能做到这一点
我希望能够在发送的电子邮件中添加HTML（或纯文本）正文。有点像：
<h2>DWR Submittal</h2>
<p>Process the attachment in the system.</p>
STEP 1. Download file
STEP 2. Open with Adobe Acrobat
STEP 3. Verify form data
STEP 4. etc...
STEP 5. etc...
在不影响附件的情况下，在哪里或如何做到这一点
<?php
$fileatt = './dwrdocuments/dwr.fdf'; // Path to the file
$fileatt_type = "application/octet-sdiveam"; // File Type
$fileatt_name = date(mdy_his).'_dwr.fdf';
$email_from = $_POST['From']; // Who the email is from
$email_subject = 'DWR Submittal'; // The Subject of the email
$email_txt = $_POST['Comments']; // Message that the email has in it
$email_to = 'admin@example.com'; // Who the email is to
$headers = "From: ".$email_from;
$file = fopen($fileatt,'rb');
$data = fread($file,filesize($fileatt));
fclose($file);
$semi_rand = md5(time());
$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";
$headers .= "'nMIME-Version: 1.0'n" .
"Content-Type: multipart/mixed;'n" .
" boundary='"{$mime_boundary}'"";
$email_message .= "This is a multi-part message in MIME format.'n'n" .
"--{$mime_boundary}'n" .
"Content-Type:text/html; charset='"iso-8859-1'"'n" .
"Content-divansfer-Encoding: 7bit'n'n" .
$email_message . "'n'n";
$data = chunk_split(base64_encode($data));
$email_message .= "--{$mime_boundary}'n" .
"Content-Type: {$fileatt_type};'n" .
" name='"{$fileatt_name}'"'n" .
//"Content-Disposition: attachment;'n" .
//" filename='"{$fileatt_name}'"'n" .
"Content-Transfer-Encoding: base64'n'n" .
$data . "'n'n" .
"--{$mime_boundary}--'n";
$ok = @mail($email_to, $email_subject, $email_message, $headers);
header ("Location: ../confirm.html");
?>
尝试添加：
$email_message .= '<h2>DWR Submittal</h2>
<p>Process the attachment in the system.</p>
STEP 1. Download file
STEP 2. Open with Adobe Acrobat
STEP 3. Verify form data
STEP 4. etc...
STEP 5. etc...';
就在前面：
$data = chunk_split(base64_encode($data));