du4822 2015-04-15 10:09
浏览 1917

PHP脚本不会下载我的epub

I run 2 scripts, one after the other, the first one creates the ebook and stores it on the server, the second one downloads it and deletes all the files that were used to create the ebook. The scripts work perfectly, except for the download part, its not downloading the book :(

Here is the download script:

$file = "../FYP/eBook.epub";
if (file_exists($file)) {
    header('Content-Description: File Transfer');
    //header('Content-Type: application/zip');
    header('Content-Disposition: attachment; filename='.basename($file));
    readfile($file);
    echo "file does exist";
unlink($file);
}

As you can see, ive commented out the header, because it doesnt work, i even tried 'application/octet-stream'and 'application/epub+zip' but no success.

And here is what is being outputted on the console log:

PK�X�F���Ҭ�OEBPS/title.xhtmlM���0�w��Zb(J����u���D�E���? �����le%xX���F+�D�<W��z����ih�2hN�r�ob��ij  ��@�mQt�G���    R"k^���{�Y��l��&��j���F�:�x������(Fȩ�x�ș.u������q E��N; +u}�|PK�X�F"���*OEBPS/characters.xhtmlm�1�0E���[�
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OEBPS/toc.ncx���n�0��y
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D�file does exist 

Here is the html/jquery code:

        $(document).ready(function(){
            retrievePlays();      
        })

        function retrievePlays(){
            $.post("getPlays.php",{
                'uID' : <?php echo $_SESSION['userID']; ?>,
            },function(result){
                for (i =0;i<result.length;i++) {
                 $('<tr/>').attr({'id':'play'+result[i].playid}).appendTo("#myPlays");
                 $('<td/>').html(i+1).appendTo("#play" +result[i].playid);
                 $('<td/>').html(result[i].name).appendTo("#play" +result[i].playid);
                 var app= '<td><button class="edit btn btn-warning" onclick=editPlay(this);>Edit</button></td><td></form><button class="edit btn btn-primary" onclick=downloadPlay(this);>Download</button><td><button class="erase btn btn-danger" onclick=deletePlay(this);>Delete</button></td>';
                 $('#play' +result[i].playid).append(app);
                }
                },"json");
        }

      function editPlay(sender){
        var tr = sender.parentNode.parentNode;
        var idstring = tr.getAttribute('id');
        var id = idstring.substr(4,idstring.length);
        console.log(id);
        location.href = "playwrite.php?playID=" + id;
        }

        function deletePlay(sender) {
        if (confirm('Are you sure you want to remove this play?')) {
        var tr = sender.parentNode.parentNode;
        var idstring = tr.getAttribute('id');
        var id = idstring.substr(4,idstring.length);
        console.log(id);

        $.post("deletePlay.php",{
            'pID' : id,
        },function(){
            $('#play'+id).remove();
        });
        } 
        }

        function downloadPlay(sender) {
            var tr = sender.parentNode.parentNode;
        var idstring = tr.getAttribute('id');
        var id = idstring.substr(4,idstring.length);

      $.post("filetest.php",{
            'pID' : id,},
            function(response){
                console.log(response);
                $.post("deleteFiles.php",{'pID' : id,},function(){});
                });
        }
    </script>
</head>
<body>
    <nav class="navbar navbar-default navbar-fixed-top">
    <ul class="nav navbar-nav">
      <li><a href="main.php">Homepage</a></li>
      <li><a href="settings.html">Settings</a></li>
      <li><a href="playwrite.php">New Play</a></li>
      <li class="Logout"><a href="Login.html">Log Out(<?php echo $_SESSION['username']; ?>)</a></li>
    </ul>
    </nav>
    <div class="mainbox">
        <input id="search_input" placeholder="Type to filter">
        <table id="myPlays" border="1" class="table table-hover table-bordered">
            <th>Number</th>
            <th id="pnames">Play Name</th>
            <th>Edit</th>
            <th>Download</th>
            <th>Delete</th>
        </table>
    </div>
</body>
</html>
  • 写回答

2条回答 默认 最新

  • dongnai2804 2015-04-15 10:17
    关注

    I'm using this snippet to download pdf or doc files in my server.

    if ($fd = fopen ($fullPath, "r")) {
        $fsize = filesize($fullPath);
        $path_parts = pathinfo($fullPath);
        $ext = strtolower($path_parts["extension"]);
        switch ($ext) {
            case "pdf":
            header("Content-type: application/pdf"); // add here more headers for diff. extensions
            header("Content-Disposition: attachment; filename=\"".$path_parts["basename"]."\""); // use 'attachment' to force a download
            break;
            default;
            header("Content-type: application/octet-stream");
            header("Content-Disposition: filename=\"".$path_parts["basename"]."\"");
        }
        header("Content-length: $fsize");
        header("Cache-control: private"); //use this to open files directly
        while(!feof($fd)) {
            $buffer = fread($fd, 2048);
            echo $buffer;
        }
    }
    fclose ($fd);
    exit;
    
    评论

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