multipart/form-data 提交数据 form 里面元素 id无法辨认 必须有name才可以
版本号:<input type='text' id='version'> 提交后无法得到 $_POST['version']
版本号:<input type='text' name='version' >才正确
多附件 Multiple Attachments
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>E-mail with Attachment</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<?php
if ($_SERVER['REQUEST_METHOD']=="POST"){
// we'll begin by assigning the To address and message subject
$to="somebody@example.com";
$subject="E-mail with attachment";
// get the sender's name and email address
// we'll just plug them a variable to be used later
$from = stripslashes($_POST['fromname'])."<".stripslashes($_POST['fromemail']).">";
// generate a random string to be used as the boundary marker
$mime_boundary="==Multipart_Boundary_x".md5(mt_rand())."x";
// now we'll build the message headers
$headers = "From: $from/r/n" .
"MIME-Version: 1.0/r/n" .
"Content-Type: multipart/mixed;/r/n" .
" boundary=/"{$mime_boundary}/"";
// here, we'll start the message body.
// this is the text that will be displayed
// in the e-mail
$message="This is an example";
// next, we'll build the invisible portion of the message body
// note that we insert two dashes in front of the MIME boundary
// when we use it
$message = "This is a multi-part message in MIME format./n/n" .
"--{$mime_boundary}/n" .
"Content-Type: text/plain; charset=/"iso-8859-1/"/n" .
"Content-Transfer-Encoding: 7bit/n/n" .
$message . "/n/n";
// now we'll process our uploaded files
foreach($_FILES as $userfile){
// store the file information to variables for easier access
$tmp_name = $userfile['tmp_name'];
$type = $userfile['type'];
$name = $userfile['name'];
$size = $userfile['size'];
// if the upload succeded, the file will exist
if (file_exists($tmp_name)){
// check to make sure that it is an uploaded file and not a system file
if(is_uploaded_file($tmp_name)){
// open the file for a binary read
$file = fopen($tmp_name,'rb');
// read the file content into a variable
$data = fread($file,filesize($tmp_name));
// close the file
fclose($file);
// now we encode it and split it into acceptable length lines
$data = chunk_split(base64_encode($data));
}
// now we'll insert a boundary to indicate we're starting the attachment
// we have to specify the content type, file name, and disposition as
// an attachment, then add the file content.
// NOTE: we don't set another boundary to indicate that the end of the
// file has been reached here. we only want one boundary between each file
// we'll add the final one after the loop finishes.
$message .= "--{$mime_boundary}/n" .
"Content-Type: {$type};/n" .
" name=/"{$name}/"/n" .
"Content-Disposition: attachment;/n" .
" filename=/"{$fileatt_name}/"/n" .
"Content-Transfer-Encoding: base64/n/n" .
$data . "/n/n";
}
}
// here's our closing mime boundary that indicates the last of the message
$message.="--{$mime_boundary}--/n";
// now we just send the message
if (@mail($to, $subject, $message, $headers))
echo "Message Sent";
else
echo "Failed to send";
} else {
?>
<p>Send an e-mail with an attachment:</p>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post"
enctype="multipart/form-data" name="form1">
<p>From name: <input type="text" name="fromname"></p>
<p>From e-mail: <input type="text" name="fromemail"></p>
<p>File: <input type="file" name="file1"></p>
<p>File: <input type="file" name="file2"></p>
<p><input type="submit" name="Submit" value="Submit"></p>
</form>
<?php } ?>
</body>
</html>
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