Question

尝试在我的服务器上运行文件上传。文件上传一直失败。到目前为止我做了什么：
我指定了临时目录（/ var / tmp / aptemp。）我将所有权分配给www-data，因此Web服务器可以写入它。我也在php.ini中设置它并在phpinfo（）中检查它。到目前为止一切都很好（我认为）。

我在表单提交后在$ _FILES中看到该文件，但该文件没有进入/ uploads文件夹。

以下是文件夹的权限：

    <?php
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
// Check if image file is a actual image or fake image
if(isset($_POST["submit"])) {
    $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
    if($check !== false) {
        echo "File is an image - " . $check["mime"] . ".";
        $uploadOk = 1;
    } else {
        echo "File is not an image.";
        $uploadOk = 0;
    }
}
// Check if file already exists
if (file_exists($target_file)) {
    echo "Sorry, file already exists.";
    $uploadOk = 0;
}
// Check file size
if ($_FILES["fileToUpload"]["size"] > 500000) {
    echo "Sorry, your file is too large.";
    $uploadOk = 0;
}
// Allow certain file formats
if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
&& $imageFileType != "gif" ) {
    echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
    $uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
    echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
    if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
        echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
    } else {
        echo " Sorry, there was an error uploading your file.";
    }
}
var_dump($_FILES); 
?>

这是上传脚本：

    <!DOCTYPE html>
<html>
<body>

<form action="upload.php" method="post" enctype="multipart/form-data">
    Select image to upload:
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload Image" name="submit">
</form>

</body>
</html>

这是表格：

    File is an image - image/png. Sorry, there was an error uploading your file.
array (size=1)
  'fileToUpload' => 
    array (size=5)
      'name' => string '1ERJFa2kBsjhxssQb6gdhu9AtwYQwA7Xhd.png' (length=38)
      'type' => string 'image/png' (length=9)
      'tmp_name' => string '/var/tmp/aptemp/phpf2NewO' (length=25)
      'error' => int 0
      'size' => int 11063

这是尝试失败后的输出：

{{1}}

Answer 1

在以下情况下，

move_uploaded_file()将返回false：

a）文件名尚未通过POST上传

b）无法将文件复制到目标目录

看起来b是最可能的罪魁祸首。在这种情况下，还应该有一个警告in your server logs来解释问题。检查目标目录的权限，并确认已配置SELinux / AppArmor以允许Web服务器写入目录。

上传未到达目标文件夹

1 个答案: