pre name="code" class="php">?php 
$ele = $_GET['ele']; 
$file = $_FILES['thumb_'.$ele]; 
$pathinfo = pathinfo($file['name']); 
$filedir = 'uploads/' . date('Y'); 
if (!is_dir($filedir)) 
{ 
  mkdir($filedir); 
} 
$filedir .= '/' . date('md'); 
if (!is_dir($filedir)) 
{ 
  mkdir($filedir); 
} 
$filedir .= '/' . time() . '_' . mt_rand(1000, 9999) . '.' . $pathinfo['extension']; 
$msg = ''; 
if (!move_uploaded_file($file['tmp_name'], $filedir)) 
{ 
  $msg = '上传失败'; 
} 
$data = array('msg' => $msg, 'filedir' => $filedir); 
sleep(2); 
echo json_encode($data); 
?>/pre>br> 
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">html xmlns="http://www.w3.org/1999/xhtml">head>meta http-equiv="Content-Type" content="text/html; charset=gbk" />title>Ajax上传/title>script 
 src="jquery-1.4.4.min.js" type="text/javascript">/script>script src="ajaxfileupload.js" type="text/javascript">/script>script type="text/javascript">function fileupload( ele ){$("#loading").ajaxStart(function() {jQuery("#photoImg").hide();jQuery(this).show();}).ajaxComplete(function() 
 {jQuery(this).hide();jQuery("#photoImg").show();});$.ajaxFileUpload({url: "index.php?ele="+ele,secureuri: false,fileElementId: "thumb_"+ele,dataType: "json",success: function(data, status) {if(data.msg != '') {alert(data.msg);}else {$("[name='photo_"+ele+"']").val(data.filedir);$("#photoImg_"+ele).attr("src", 
 data.filedir);}},error: function (data, status, e) {alert(e);}})return false;}/script>/head>body>!-- 第一个ajax上传 -->input type="file" id="thumb_1" name="thumb_1" onchange="return fileupload('1');" />div>img src="ajaxLoading.gif" id="loading" style="display: 
 none" />img src="" id="photoImg_1" width="200px" height="150px" />input type="text" name="photo_1" size=100/>/div>hr/>!-- 第二个ajax上传 -->input type="file" id="thumb_2" name="thumb_2" onchange="return fileupload('2');" />div>img src="ajaxLoading.gif" 
 id="loading" style="display: none" />img src="" id="photoImg_2" width="200px" height="150px" />input type="text" name="photo_2" size=100 />/div>!-- 第二个ajax上传 -->input type="file" id="thumb_2" name="thumb_2" onchange="return fileupload('2');" />div>img 
 src="ajaxLoading.gif" id="loading" style="display: none" />img src="" id="photoImg_2" width="200px" height="150px" />input type="text" name="photo_2" size=100 />/div>a>添加/a>/body>/html> 
pre>/pre> 
p>br> 
/p> 
p>br> 
/p> 
p>br> 
/p> 
br>