1） 当我点击下载按钮时，只有文件被下载...
2）当我添加" onClick="return sendMail（'. $id .'）"时 在标签和"返回假"在脚本中只发送邮件
how can get both the facility on a single click ?
// DOWNLOAD LINK
echo '<a href="'.$path.'" onClick="sendMail('. $id .')" class="links">Download</a>';
//SCRIPT for sending mail
<script>
function sendMail(str)
{alert(str);
if (str=="")
{
document.getElementById("txtHint").innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("POST","sendMail.php?q="+str,true);
xmlhttp.send();
//return false;
}
</script>
// sendMail.php
<?php include_once("includes/connection.php");
$q = ($_REQUEST['q']);
$sqlid="SELECT * FROM files_table WHERE id = '".$q."'";
$result = mysqli_query($conn,$sqlid);
$row=mysqli_fetch_array($result);
//collect data from table
$id=$row['id'];
$email =$row['user_email'];
$message=$row['message'];
$file_type=$row['file_type'];
$download=$row['file_name'];
$time=$row['time'];
$to=$email;
$from = "support@print.com"; // sender
$subject = $id.' '.$message;
$message = "
'Dear Sir,
Greetings from Printing! India's leading Printing company.
Please let us know for any queries or concerns. We are here to serve you better.
Assuring you of our best services at all times and looking forward to a long and pleasant association
Regards,
Team Printing";
// message lines should not exceed 70 characters (PHP rule), so wrap it
$message = wordwrap($message, 70);
// send mail
mail($to,$subject,$message,"From: $from'n");
echo "Mail Sent";
?>
//download.php
<?php
//Set the time out to 0
set_time_limit(0);
//Path to the download file
$Location_to_download_files = 'downloads/'.$_REQUEST['file_to_download'];
function File_Downloads($file, $name, $mime_type='')
{
//Check premission for the file
if(!is_readable($file)) die('Sorry, the file could not found or its inaccessible.');
$size = filesize($file);
$name = rawurldecode($name);
/* Find out the MIME type. You can add any other required download file format of your choice or remove if necessary */
$known_mime_types = array(
//Programs Extensions
"html" => "text/html",
"htm" => "text/html",
//Archives
"zip" => "application/zip",
//Documents
"pdf" => "application/pdf",
"doc" => "application/msword",
"docx" => "application/msword",
"xls" => "application/vnd.ms-excel",
"ppt" => "application/vnd.ms-powerpoint",
"txt" => "text/plain",
//Executables
"exe" => "application/octet-stream",
//Images
"gif" => "image/gif",
"png" => "image/png",
"jpeg"=> "image/jpg",
"jpg" => "image/jpg",
"php" => "text/plain",
//Audio
"mp3" => "audio/mpeg",
"wav" => "audio/x-wav",
//Video
"mpeg" => "video/mpeg",
"mpg" => "video/mpeg",
"mpe" => "video/mpeg",
"mov" => "video/quicktime",
"avi" => "video/x-msvideo"
);
if($mime_type == "")
{
$file_extension = strtolower(substr(strrchr($file,"."),1));
if(array_key_exists($file_extension, $known_mime_types))
{
$mime_type=$known_mime_types[$file_extension];
}
else
{
$mime_type="application/force-download";
};
};
//turn off output buffering to decrease cpu usage
@ob_end_clean();
// required for IE, otherwise Content-Disposition may be ignored
if(ini_get("zlib.output_compression"))
ini_set("zlib.output_compression", "Off");
header("Content-Type: " . $mime_type);
header("Content-Disposition: attachment; filename='".$name."'");
header("Content-Transfer-Encoding: binary");
header("Accept-Ranges: bytes");
/* The three lines below basically make the
download non-cacheable */
header("Cache-control: private");
header("Pragma: private");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// multipart-download and download resuming support
if(isset($_SERVER['HTTP_RANGE']))
{
list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
list($range) = explode(",",$range,2);
list($range, $range_end) = explode("-", $range);
$range=intval($range);
if(!$range_end) {
$range_end=$size-1;
} else {
$range_end=intval($range_end);
}
$new_length = $range_end-$range+1;
header("HTTP/1.1 206 Partial Content");
header("Content-Length: $new_length");
header("Content-Range: bytes $range-$range_end/$size");
} else {
$new_length=$size;
header("Content-Length: ".$size);
}
/* Will output the file itself */
$chunksize = 1*(1024*1024); //You can change this if you wish
$bytes_send = 0;
if ($file = fopen($file, 'r'))
{
if(isset($_SERVER['HTTP_RANGE']))
fseek($file, $range);
while(!feof($file) && (!connection_aborted()) && ($bytes_send<$new_length))
{
$buffer = fread($file, $chunksize);
print($buffer);
flush();
$bytes_send += strlen($buffer);
}
fclose($file);
}
else
//If no permissiion
die('Error - The file you attempted to download can not be openned at the moment. Please try again or contact the site admin if this problem persist.');
//die
die();
}
//Call the function to download with file path,file name and file type
File_Downloads($Location_to_download_files, $_REQUEST['file_to_download'], 'text/plain');
?>
从Donwload link（href）中删除Onclick，
并将该函数调用到 PHP 函数
function File_Downloads($file, $name, $mime_type='')
{
//Your send mail function
echo '<script> function sendMail(str) { //your content } </script>';
}