[英]PHP code for asynchronous file upload
I cannot find what is the right PHP code as to send to the server an image file... Consider the following: 我找不到将图像文件发送到服务器的正确的PHP代码。请考虑以下事项:
<form id="upload" action="upload.php" method="POST" enctype="multipart/form-data">
<div id="dragarea"></div>
<input type="file" id="fileselect" name="fileselect[]" multiple="multiple"/>
</form>
and the JS code which is executed upon a click event on the file I have dropped inside the dragarea
: 以及在我拖放到dragarea
内的文件上单击事件后执行的JS代码:
var fd = new FormData($('#upload')[0]);
$.ajax({
method:"POST",
url:"upload.php",
dataType:"json",
data:{fd1:fd},
contentType: false,
cache: false,
processData:false,
success: function(data) {
alert(data);
}
})
and my upload.php
和我的upload.php
$filename = $_FILES['fd1']['name'];
echo json_encode( $filename);
While fd is not empty, $filename is null. 当fd不为空时,$ filename为null。 Why that? 为什么?
Thank you 谢谢
Try replacing this line : 尝试替换此行:
data:{fd1:fd},
With this : 有了这个 :
data:fd,
So your file would be accessible with : 因此,您的文件可以通过以下方式访问:
$filename = $_FILES['fileselect'][0]['name'];
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