在目录中保存php后强制下载文件?
我正在创建一个大型的mysql数据库,它有很多公司的业务。 我终于能够创建代码,允许将结果以csv格式保存在名为“/上传”的特定目录中。一切正常。现在我需要有一个按钮,下载文件后,查询和保存csv文件的文件 代码如下:在目录中保存php后强制下载文件?,php,mysql,csv,download,vps,Php,Mysql,Csv,Download,Vps,我正在创建一个大型的mysql数据库,它有很多公司的业务。 我终于能够创建代码,允许将结果以csv格式保存在名为“/上传”的特定目录中。一切正常。现在我需要有一个按钮,下载文件后,查询和保存csv文件的文件 代码如下: <?php include 'includes/connection.php'; if(isset($_POST['submit'])) { $cap = $_POST ['cap']; $prov = $_POST ['provincia']; $citta = $_
<?php
include 'includes/connection.php';
if(isset($_POST['submit']))
{
$cap = $_POST ['cap'];
$prov = $_POST ['provincia'];
$citta = $_POST ['citta'];
$filename = 'uploads/'.strtotime ("now").'.csv';
$sql = mysql_query("SELECT * FROM business_total WHERE cap LIKE'%$cap%' AND provincia LIKE '%$prov%' AND citta LIKE '%$citta%'") or die(mysql_error());
$num_rows = mysql_num_rows($sql);
echo 'totale risultato: '.'<b>'.$num_rows.'</b>'.'<br/>';
if($num_rows >= 1)
{
$row = mysql_fetch_assoc($sql);
$fp = fopen($filename,"w");
$seperator = "";
$comma = "";
//$name è la prima righa, quella dei valori
foreach($row as $name => $value)
{
$seperator.= $comma.''.str_replace('','""',$name);
$comma =",";
}
$seperator .="\n";
fputs($fp,$seperator);
mysql_data_seek($sql, 0);
//Primo row per le testate, questo row per il contenuto query
while($row = mysql_fetch_assoc($sql))
{
$seperator = "";
$comma = "";
//$name è la prima righa, quella dei valori
foreach($row as $name => $value)
{
$seperator.= $comma.''.str_replace('','""',$value);
$comma =",";
}
$seperator .="\n";
fputs($fp,$seperator);
}
fclose($fp);
}
else
{
echo 'Non ci sono risultati compatibili con la tua ricerca';
}
}
?>
<HTML>
<head>
</head>
<body>
<br>
<br>
<br>
<br>
<form method="post" action="index.php">
<input type="text" name="cap" placeholder="Cerca per cap"/><br>
<input type="text" name="provincia" placeholder="Cerca per prov"/><br>
<input type="text" name="citta" placeholder="Cerca per citta"/><br>
<input type="submit" name="submit" value="submit"/>
</form>
</body>
</HTML>
我解决了这个问题。
在php关闭标记(?>)之前添加了此项
代码如下:
$qfile = $filename;
echo $qfile;
if (file_exists($qfile)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($qfile));
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($qfile));
readfile($qfile);
exit;
}
?>