[英]How to upload multiple images to a folder using ajax php and jquery
我正在嘗試使用AJAX,JQuery和PHP一次將多個圖像上傳到一個文件夾。 該代碼僅用於單個文件上傳,但不用於多個圖像上傳。 如果我上載沒有循環的單個圖像,則可以正常工作,但如果循環,則無法正常工作。
我正在使用以下代碼。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Upload Iamge</title>
<link href="style.css" rel="stylesheet" type="text/css">
<script src="jquery-1.12.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#but_upload").click(function(){
var fd = new FormData();
//following code is working fine in for single image upload
// var files = $('#file')[0].files[0];
// fd.append('file',files);
//this code not working for multiple image upload
var names = [];
for (var i = 0; i < $('#file').get(0).files.length; ++i) {
names.push($('#file').get(0).files[i].name);
}
fd.append('file[]',names);
/*var ins = document.getElementById('file').files.length;
for (var x = 0; x <ins; x++) {
fd.append("file", document.getElementById('file').files[x]);
}*/
$.ajax({
url:'upload.php',
type:'post',
data:fd,
contentType: false,
processData: false,
success:function(response){
if(response != 0){
$("#img").attr("src",response);
}
},
error:function(response){
alert('error : ' + JSON.stringify(response));
}
});
});
});
</script>
</head>
//HTML Part
<body>
<div class="container">
<h1>AJAX File upload</h1>
<form method="post" action="" id="myform">
<div>
<img src="" id="img" width="100" height="100">
</div>
<div>
<input type="file" id="file" name="file" multiple="multiple" />
<input type="button" class="button" value="Upload"
id="but_upload">
</div>
</form>
</div>
</body>
</html>
//PHP Code
<?php
/* Getting file name */
echo "<script>alert('yes');</script>";
//without loop working fine
$count = count($_FILES['file']['name']);
for ($i = 0; $i < $count; $i++) {
$filename = $_FILES['file']['name'][$i];
/* Location */
$location = "upload/".$filename;
/* Upload file */
if(move_uploaded_file($_FILES['file']['tmp_name'],$location)){
echo $location;
} else {
echo 0;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Upload Iamge</title>
<script type="text/javascript">
$(document).ready(function(){
$("#but_upload").click(function(){
var fd = new FormData();
//following code is working fine in for single image upload
// var files = $('#file')[0].files[0];
// fd.append('file',files);
//this code not working for multiple image upload
var names = [];
var file_data = $('input[type="file"]')[0].files;
// for multiple files
for(var i = 0;i<file_data.length;i++){
fd.append("file_"+i, file_data[i]);
}
fd.append('file[]',names);
/*var ins = document.getElementById('file').files.length;
for (var x = 0; x <ins; x++) {
fd.append("file", document.getElementById('file').files[x]);
}*/
$.ajax({
url:'upload.php',
type:'post',
data:fd,
contentType: false,
processData: false,
success:function(response){
if(response != 0){
$("#img").attr("src",response);
}
},
error:function(response){
alert('error : ' + JSON.stringify(response));
}
});
});
});
</script>
</head>
//HTML Part
<body>
<div class="container">
<h1>AJAX File upload</h1>
<form method="post" action="" id="myform">
<div>
<img src="" id="img" width="100" height="100">
</div>
<div>
<input type="file" id="file" name="file" multiple="multiple" />
<input type="button" class="button" value="Upload"
id="but_upload">
</div>
</form>
</div>
</body>
</html>
在以下代碼中進行了更改
var file_data = $('input[type="file"]')[0].files; // for multiple files
for(var i = 0;i<file_data.length;i++){
fd.append("file_"+i, file_data[i]);
}
fd.append('file[]',names);
PHP代碼也有變化
<?php
/* Getting file name */
//without loop working fine
$count = count($_FILES);
for ($i = 0; $i < $count; $i++) {
$filename = $_FILES['file_'.$i];
/* Location */
echo $location = "upload/".$filename['name'];
/* Upload file */
if(move_uploaded_file($filename['tmp_name'],$location)){
echo $location;
} else {
echo 0;
}
}
?>
文件計數和文件名以不同的方式出現,因此我根據需要進行了更改,而不是是否給出文件數組,例如$_FILE['file_0']
, $_FILE['file_1']
等, 我也進行了更改上傳目錄的權限,請檢查您的目錄是否具有讀寫權限(777) ,此代碼對我有效,您可以嘗試,希望它也對您有效:-)
在循環中,您需要添加特定文件的index
move_uploaded_file($_FILES['file']['tmp_name'][$i],$location); // $i is index
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