PHP jquery multiple file upload implementation code

Upload

<script>  </li>
<li>$(document).ready(function()  </li>
<li>{</li>
<li>var settings = {  </li>
<li>    url: "upload.php",  </li>
<li>    method: "POST",  </li>
<li>    allowedTypes:"jpg,png,gif,doc,pdf,zip",  </li>
<li>    fileName: "myfile",  </li>
<li>    multiple: true,  </li>
<li>    onSuccess:function(files,data,xhr)  </li>
<li>    {  </li>
<li>        $("#status").html("<font color='green'>Upload is success</font>"); </p></li>
<li><p>    },  </li>
<li>    onError: function(files,status,errMsg)  </li>
<li>    {         </li>
<li>        $("#status").html("<font color='red'>Upload is Failed</font>");  </li>
<li>    }  </li>
<li>}  </li>
<li>$("#mulitplefileuploader").uploadFile(settings); </p></li>
<li><p>});  </li>
<li></script>

2，php多文件上传代码 upload.php

//If directory doesnot exists create it.
$output_dir = "../upload";
if(isset($_FILES["myfile"]))
{
   $ret = array();
   $error =$_FILES["myfile"]["error"];
   {
        if(!is_array($_FILES["myfile"]['name'])) //single file
        {
            $fileName = $_FILES["myfile"]["name"];
            move_uploaded_file($_FILES["myfile"]["tmp_name"],$output_dir. $_FILES["myfile"]["name"]);
             //echo " Error: ".$_FILES["myfile"]["error"];
             $ret[$fileName]= $output_dir.$fileName;
        }
        else
        {
              $fileCount = count($_FILES["myfile"]['name']);
              for($i=0; $i < $fileCount; $i++)
              {
                $fileName = $_FILES["myfile"]["name"][$i];
                 $ret[$fileName]= $output_dir.$fileName;
                move_uploaded_file($_FILES["myfile"]["tmp_name"][$i],$output_dir.$fileName );
              }
        }
    }
    echo json_encode($ret);
}
?>

3，效果图，如下：

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