<?php

$verifyToken = md5('unique_salt' . $_POST['timestamp']);

if (!empty($_FILES) && $_POST['token'] == $verifyToken) {

    $tempFile = $_FILES['Filedata']['tmp_name'];

    //生成新的文件名

    $filename = time().mt_rand(10,99).'.'.end(explode('.', $_FILES['Filedata']['name']));

    $fileTypes = array('jpg','jpeg','gif','png');

    $fileParts = pathinfo($_FILES['Filedata']['name']);

    if (in_array($fileParts['extension'],$fileTypes)) {

        //上传图片到云端 start

        require_once("qiniu/io.php");

        require_once("qiniu/rs.php");

        $bucket = "abc";//空间名
//截取原始文件后缀名

        $key1 = "Uploads/".$filename;

        $accessKey = 'X3X89F2xQlca63vmIfNtxmqPkJ9TKHNKE-XYzPjH'; //AK
$secretKey = 'O90SCQPjeONRFb1Ka15L1GK8qndACuo0C2lehngV'; //SK

        Qiniu_SetKeys($accessKey, $secretKey);

        $putPolicy = new Qiniu_RS_PutPolicy($bucket);

        $upToken = $putPolicy->Token(null);

        $putExtra = new Qiniu_PutExtra();

        $putExtra->Crc32 = 1;

        //$tempFile uploadify上传的临时文件路径

        list($ret, $err) = Qiniu_PutFile($upToken, $key1, $tempFile, $putExtra);

        //上传图片到云端 end

        //返回文件名给前台

        echo "http://abc.qiniudn.com/".$key1; //前台使用回调函数的data参数接收

    } else {

        echo 'Invalid file type.';

    }

}

<table style="border:none;" >

                <tr>

                    <td><img width="100" height="100" id="timg"/></td>

                    <td width=100%>

                        <script src="__STATIC__/uploadify/jquery.uploadify.js" type="text/javascript"></script>

                        <link rel="stylesheet" type="text/css" href="__STATIC__/uploadify/uploadify.css">

                        <div id="queue"></div>

                        <input id="file_upload" name="file_upload" type="file" multiple="true">

                        <script type="text/javascript">

                        <?php $timestamp = time();?>

                        $(function() {

                            $('#file_upload').uploadify({

                                'formData'     : {

                                    'timestamp' : '<?php echo $timestamp;?>',

                                    'token'     : '<?php echo md5('unique_salt' . $timestamp);?>'

                                },

                                'swf'      : '__STATIC__/uploadify/uploadify.swf',

                                'uploader' : '__STATIC__/uploadify/uploadify.php',

                                'onUploadSuccess' : function(file,data,response) {

                                    $("#timg").attr("src",data);

                                    $("#txtimg").val(data);

                                }

                            });

                        });

                        </script>

                    </td>

                </tr>

            </table>