Javascript 一键下载MySql上的所有文件-PHP、HTML
我刚学了三个星期的网络。我还没有学过PHP。所以我有一个PHP脚本下载文件的问题 我想要的是：我上传文件到mysql。我想用一个按钮把所有的文件下载下来，然后在下载的时候制作一个zip文件 这是我的密码： upload.phpJavascript 一键下载MySql上的所有文件-PHP、HTML,javascript,php,jquery,html,mysql,Javascript,Php,Jquery,Html,Mysql,我刚学了三个星期的网络。我还没有学过PHP。所以我有一个PHP脚本下载文件的问题 我想要的是：我上传文件到mysql。我想用一个按钮把所有的文件下载下来，然后在下载的时候制作一个zip文件 这是我的密码： upload.php <html> <body> <form method="post" enctype="multipart/form-data"> <table width="350" bor
<html>
<body>
<form method="post" enctype="multipart/form-data">
<table width="350" border="0" cellpadding="1"
cellspacing="1" class="box">
<tr>
<td>please select a file</td></tr>
<tr>
<td>
<input type="hidden" name="MAX_FILE_SIZE"
value="16000000">
<input name="userfile" type="file" id="userfile">
</td>
<td width="80"><input name="upload"
type="submit" class="box" id="upload" value=" Upload "></td>
</tr>
</table>
</form>
</body>
</html>
<?php
if (isset($_POST['upload']) && $_FILES['userfile']['size'] > 0) {
$fileName = $_FILES['userfile']['name'];
$tmpName = $_FILES['userfile']['tmp_name'];
$fileSize = $_FILES['userfile']['size'];
$fileType = $_FILES['userfile']['type'];
$fileType = (get_magic_quotes_gpc() == 0 ? mysql_real_escape_string(
$_FILES['userfile']['type']) : mysql_real_escape_string(
stripslashes($_FILES['userfile'])));
$fp = fopen($tmpName, 'r');
$content = fread($fp, filesize($tmpName));
$content = addslashes($content);
fclose($fp);
if (!get_magic_quotes_gpc()) {
$fileName = addslashes($fileName);
}
$con = mysql_connect('localhost', 'root', '','demo') or die(mysql_error());
$db = mysql_select_db('demo', $con);
if ($db) {
$query = "INSERT INTO upload (name, size, type, content ) " .
"VALUES ('$fileName', '$fileSize', '$fileType', '$content')";
mysql_query($query) or die('Error, query failed');
mysql_close();
echo "<br>File $fileName uploaded<br>";
} else {
echo "file upload failed";
}
}
?>
<html>
<head>
<title>Download File From MySQL Database</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
</head>
<body>
<?php
$con = mysql_connect('localhost', 'root', '','demo') or die(mysql_error());
$db = mysql_select_db('demo', $con);
$query = "SELECT id, name FROM upload";
$result = mysql_query($query) or die('Error, query failed');
if (mysql_num_rows($result) == 0) {
echo "Database is empty <br>";
} else {
?>
<form action="phpdown.php" method="post">
<input type="submit" name="someAction" value="GO" />
</form>
<?php
while (list($id, $name) = mysql_fetch_array($result)) {?>
<a href="download.php?id=<?php echo urlencode($id); ?>"><?php echo urlencode($name); ?></a> <br>
<?php
}
}
mysql_close();
?>
</body>
</html>
<?php
if (isset($_GET['id'])) {
$con = mysql_connect('localhost', 'root', '','demo') or die(mysql_error());
$db = mysql_select_db('demo', $con);
$id = $_GET['id'];
$query = "SELECT name, type, size, content " . "FROM upload WHERE id = '$id'";
$result = mysql_query($query) or die('Error, query failed');
list($name, $type, $size, $content) = mysql_fetch_array($result);
header("Content-length: $size");
header("Content-type: $type");
header("Content-Disposition: attachment; filename=$name");
ob_clean();
flush();
echo $content;
mysql_close();
exit;
}
?>
<?php
function zipFilesDownload($file_names,$archive_file_name,$file_path)
{
$zip = new ZipArchive();
if ($zip->open($archive_file_name, ZIPARCHIVE::CREATE )!==TRUE)
{
exit("cannot open <$archive_file_name>\n");
}
foreach($file_names as $files)
{
$zip->addFile($file_path.$files,$files);
}
$zip->close();
header("Content-type: application/zip");
header("Content-Disposition: attachment; filename=$archive_file_name");
header("Pragma: no-cache");
header("Expires: 0");
readfile("$archive_file_name");
exit;
}
$fileNames=array('files/file1.docx','files/file1.pdf');
$zip_file_name='myFile.zip';
$file_path=dirname(__FILE__).'/';
if($_SERVER['REQUEST_METHOD'] == "POST" and isset($_POST['someAction']))
{
zipFilesDownload($fileNames,$zip_file_name,$file_path);
}
?>
请选择一个文件
这段代码有什么问题吗？我不知道当我点击GO按钮时，我可以关闭mysql上的所有文件。因为我只是通过点击文件名在mysql上下载文件。当我点击GO按钮时，站点返回zip文件和我在计算机上直接指向的2个本地文件。对不起，我的英语不好，所以我解释的太难了，无法理解我的问题（我有两张图片要描述。这是mysql:。因为button GO可以压缩和下载。所以我想把我mysql上的数据填充到GO button的URL中。我下载的压缩文件是一个.docx+.pdf文件，我存储在我计算机的本地文件夹中，而不是mysql文件。