欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  php教程

PHP无刷新上传文件

程序员文章站 2022-05-24 14:06:00
...
PHP无刷新上传文件实现代码,使用php的朋友可以参考下。

index.html

<html> 
<head> 
<title>无刷新上传文件</title> 
<meta Content-type="text/html" charset="utf-8" /> 
<script type="text/javascript"> 
function startUpload() { 
document.getElementById('processing').innerHTML = 'loding...'; 
return true; 
} 
function stopUpload(rel){ 
var msg; 
switch (rel) { 
case 0: 
msg = "上传成功"; 
break; 
case 1: 
msg = "上传的文件超过限制"; 
break; 
case 2: 
msg = "只能上传图片文件"; 
break; 
default: 
msg = "上传文件失败"; 
} 
document.getElementById('processing').innerHTML = msg; 
} 
</script> 
</head> 
<body> 
<div style="text-align:center"> 
<div id="processing"></div> 
<form action="upload.php" method="post" enctype="multipart/form-data" target="form-target" onsubmit="startUpload();"> 
<input type="hidden" name="MAX_FILE_SIZE" value="1000000" /> 
<input type="file" name="myfile" /> 
<input type="submit" name="sub" value="upload" /> 
</form> 
<iframe style="width:0; height:0; border:0;" name="form-target"></iframe> 
</div> 
</body> 
</html>

upload.php

<?php 
sleep(2); 
$fileTypes = array('jpg','png','gif','bmp'); 
$result = null; 
$uploadDir = './upfiles'; 
$maxSize = 1 * pow(2,20); 
if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['sub'])) { 
$myfile = $_FILES['myfile']; 
$myfileType = substr($myfile['name'], strrpos($myfile['name'], ".") + 1); 
if ($myfile['size'] > $maxSize) { 
$result = 1; 
} else if (!in_array($myfileType, $fileTypes)) { 
$result = 2; 
} elseif (is_uploaded_file($myfile['tmp_name'])) { 
$toFile = $uploadDir . '/' . $myfile['name']; 
if (@move_uploaded_file($myfile['tmp_name'], $toFile)) { 
$result = 0; 
} else { 
$result = -1; 
} 
} else { 
$result = 1; 
} 
} 
?> 
<script type="text/javascript"> 
window.top.window.stopUpload(<?php echo $result; ?>); 
</script>
相关标签: PHP