Question

但是我也会在下面的代码中得到同样的错误......你能否请你分享你的建议..

错误：

警告：无法修改标头信息 - 已发送的标头   （输出从/home/stthohuu/public_html/sp/announcements.php:1开始）   在第45行的/home/stthohuu/public_html/sp/announcements.php

警告：无法修改标头信息 - 已发送的标头   （输出从/home/stthohuu/public_html/sp/announcements.php:1开始）   在/home/stthohuu/public_html/sp/announcements.php第46行

<?php
if(isset($_GET['id'])) 
{
ob_start();
// if id is set then get the file with the id from database
$con = mysql_connect('localhost', abc’, 'abc') or die(mysql_error());
$db = @mysql_select_db('stthohuu_church', $con);
$id    = $_GET['id'];
$query = "SELECT name, type, size, content " .
         "FROM newsletter WHERE id = '$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();
echo $content;
mysql_close();
 exit;
}
?>
</head>
<body>

    <?php
        //database connection
        $con = mysql_connect('localhost', abc', 'abc') or die(mysql_error());
        //select database
        $db = mysql_select_db('stthohuu_church', $con);
        $query = "SELECT id, name FROM newsletter order by id desc";
        $result = mysql_query($query) or die('Error, query failed');
        if(mysql_num_rows($result) == 0)
        {
        echo "No files found in DB<br>";
        } 
        else
        {
        while(list($id, $name) = mysql_fetch_array($result))
        {
        ?>
        <a href="../archive_newsletter.php?id=<?php echo urlencode($id);?>"
        ><?php echo urlencode($name);?></a> <br>
        <?php 
        }
        }
        mysql_close();
    ?>
</body>
</html>

文件下载无法在php中运行

0 个答案: