[英]Specifying the correct directory for uploading files
我有一个名为uploads
的文件夹,以及一个名为upload.html
和upload.php
文件。 我的upload.html
看起来像这样(嗯,至少相关部分确实如此):
$(document).ready(function(){
$("#pictureUploadSubmit").submit(function(event) {
var file_data = $('#fileToUpload').prop('files')[0];
var form_data = new FormData();
form_data.append('fileToUpload', file_data);
alert(form_data);
$.ajax({
url: 'upload.php', // point to server-side PHP script
dataType: 'text', // what to expect back from the PHP script, if anything
cache: false,
contentType: false,
processData: false,
data: form_data,
type: 'post',
success: function(php_script_response){
alert(php_script_response); // display response from the PHP script, if any
}
});
event.preventDefault();
});
});
我的upload.php
看起来像这样:
<?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.";
}
}
?>
现在,该文件似乎正在上载,但我认为它正在上载到一个错误的目录中,因为当我尝试两次上载同一文件时,它会回显, Sorry, file already exists
并且在成功上载图像后,它会出现"The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded."
"The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded."
。 但是,我的FireFTP中已经存在的文件没有显示在我的uploads
文件夹中。
我相信我已经允许了适当的权限,即我允许对我的上载文件夹进行读取,写入和执行。
所以我认为这是我的target directory
的错误方向。 我尝试搜索上载的文件,我想我检查了所有目录,但找不到它们。 有人对此问题有解决方案吗?
您正在使用相对目录进行上传,
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
# ...
move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)
这会将文件移动到相对于此脚本运行位置的上载目录。 查看upload.php所在的目录,其中可能有一个包含文件的上载目录。
如果不是这种情况,建议您为$target_dir
使用绝对路径,这样您就可以确定最终文件将放置在何处。
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