search

Home  >  Article  >  php教程  >  PHP无刷新上传文件

PHP无刷新上传文件

PHP中文网
PHP中文网Original
2016-05-25 17:13:20897browse

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(&#39;processing&#39;).innerHTML = &#39;loding...&#39;; 
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(&#39;processing&#39;).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(&#39;jpg&#39;,&#39;png&#39;,&#39;gif&#39;,&#39;bmp&#39;); 
$result = null; 
$uploadDir = &#39;./upfiles&#39;; 
$maxSize = 1 * pow(2,20); 
if ($_SERVER[&#39;REQUEST_METHOD&#39;] == &#39;POST&#39; && isset($_POST[&#39;sub&#39;])) { 
$myfile = $_FILES[&#39;myfile&#39;]; 
$myfileType = substr($myfile[&#39;name&#39;], strrpos($myfile[&#39;name&#39;], ".") + 1); 
if ($myfile[&#39;size&#39;] > $maxSize) { 
$result = 1; 
} else if (!in_array($myfileType, $fileTypes)) { 
$result = 2; 
} elseif (is_uploaded_file($myfile[&#39;tmp_name&#39;])) { 
$toFile = $uploadDir . &#39;/&#39; . $myfile[&#39;name&#39;]; 
if (@move_uploaded_file($myfile[&#39;tmp_name&#39;], $toFile)) { 
$result = 0; 
} else { 
$result = -1; 
} 
} else { 
$result = 1; 
} 
} 
?> 
<script type="text/javascript"> 
window.top.window.stopUpload(<?php echo $result; ?>); 
</script>


Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：有意思的一个操作实例(需要在linux环境下跑)-PHPNext article：php 文件缓存

Related articles

See more