0

我正在使用 while 循环上传多个文件，以下是我的代码，move_uploaded_file 总是失败并且我收到消息“上传文件时出错！”。我正在使用相同的代码（没有 $counter 的 while 循环内的代码）在其他用例中上传单个文件，效果很好，但是当我在 while 循环中使用相同的代码时，我认为代码看起来不错，但在move_uploaded_file. ..请建议我有什么问题，我该如何解决？

$counter = 0;
while ($_FILES) {

if (!isset($_FILES['album_pics'])) {
    //required variables are empty
    die("File is empty!");
}
if ($_FILES['album_pics']['error'][$counter]) {
    //File upload error encountered
    die(upload_errors($_FILES['album_pics']['error'][$counter]));
}

$FileName = strtolower($_FILES['album_pics']['name'][$counter]); //uploaded file name
$ImageExt = substr($FileName, strrpos($FileName, '.')); //file extension
$FileType = $_FILES['album_pics']['type'][$counter]; //file type
$FileSize = $_FILES['album_pics']["size"][$counter]; //file size
$RandNumber = rand(0, 9999999999); //Random number to make each filename unique.
$uploaded_date = date("Y-m-d H:i:s");
$FileTitle = current(explode('.', $FileName));

switch (strtolower($FileType)) {
    case 'image/png':
    case 'image/gif':
    case 'image/jpeg':
    case 'application/pdf':
    case 'application/msword':
    case 'application/vnd.ms-excel':
    case 'application/x-zip-compressed':
    case 'text/plain':
    case 'text/html':
        break;
    default:
        die('Unsupported File!'); //output error
}

//File Title will be used as new File name
$NewFileName = preg_replace(array('/\s/', '/\.[\.]+/', '/[^\w_\.\-]/'), array('_', '.', ''), strtolower(substr($FileTitle, 0, 10)));
$NewFileName = $NewFileName.'_'.$RandNumber.$ImageExt;
$UploadDirectory = 'ajax/'; 


if (move_uploaded_file($_FILES['album_pics']['tmp_name'][$counter], $UploadDirectory.$NewFileName)) {
    // here I will insert image metadata to database with the new image name

    $counter = (if result is true) ? $counter + 1 : $counter;// increase counter if insert returns true
} else {
    die('error uploading File!');
}

function upload_errors($err_code) {
    switch ($err_code) {
        case UPLOAD_ERR_INI_SIZE:
            return 'The uploaded file exceeds the upload_max_filesize directive in php.ini'.ini_get("upload_max_filesize");
        case UPLOAD_ERR_FORM_SIZE:
            return 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form';
        case UPLOAD_ERR_PARTIAL:
            return 'The uploaded file was only partially uploaded';
        case UPLOAD_ERR_NO_FILE:
            return 'No file was uploaded';
        case UPLOAD_ERR_NO_TMP_DIR:
            return 'Missing a temporary folder';
        case UPLOAD_ERR_CANT_WRITE:
            return 'Failed to write file to disk';
        case UPLOAD_ERR_EXTENSION:
            return 'File upload stopped by extension';
        default:
            return 'Unknown upload error';
    }
} //function upload_erros() close   
} //while loop close
4

3 回答 3

1

我找到了答案，我发布了这个，以便任何想要解决多个文件上传的人都可以参考这个

我没有使用while循环，而是以这种方式将其更改为foreach循环

foreach($_FILES['album_pics']['error'] as $key => $error){
  all code remains the same as above in while loop, except every reference to $counter will be replaced by $key 
}
于 2013-05-07T12:08:16.297 回答
0

最初重新排列文件以更好地循环它们。

https://gist.github.com/lukeoliff/5531772

可能会使这个函数的基础更容易充实。

<?php
  if (!empty($_FILES)) {
    $_FILES = rearrangeFiles($_FILES);
  }
?>

转以下...

Array
(
    [name] => Array
        (
            [0] => foo.txt
            [1] => bar.txt
        )

    [type] => Array
        (
            [0] => text/plain
            [1] => text/plain
        )

    [tmp_name] => Array
        (
            [0] => /tmp/phpYzdqkD
            [1] => /tmp/phpeEwEWG
        )

    [error] => Array
        (
            [0] => 0
            [1] => 0
        )

    [size] => Array
        (
            [0] => 123
            [1] => 456
        )
)

进入....

Array
(
    [0] => Array
        (
            [name] => foo.txt
            [type] => text/plain
            [tmp_name] => /tmp/phpYzdqkD
            [error] => 0
            [size] => 123
        )

    [1] => Array
        (
            [name] => bar.txt
            [type] => text/plain
            [tmp_name] => /tmp/phpeEwEWG
            [error] => 0
            [size] => 456
        )
)
于 2013-05-07T10:49:03.660 回答
0

请将函数移到 while 循环之外。然后再次运行它。

于 2013-05-07T11:03:41.450 回答