<form>
 <div id="queue"></div>
 <input id="file_upload" name="file_upload" type="file" multiple="true">
 </form>
 <div id="uploadfiles"></div> 
<div id="fileQueue" style="clear:both"></div>
<script type="text/javascript">
var timestamp = new Date().getTime();
var token = Math.floor(Math.random() * 1000) + timestamp;
$(function() {
 $('#file_upload').uploadify({
 'buttonText': '选择文件..',
 'fileObjName': 'simplefile',
 'method': 'post',
 'multi': true,
 'queueID': 'fileQueue',
 //'uploadLimit': 2,
 'fileTypeExts': '*.gif;*.png;*.jpg;*.bmp;*.jpeg;',
 'buttonImage': '/static/js/uploadify/select.png',
 'formData': {
 'timestamp': timestamp,
 'token': token
 },
 'swf': '/static/js/uploadify/uploadify.swf',
 'uploader': '/static/php/UploaderDemo.php',
 'onUploadStart': function() {
 $imgHtml = '<img class="upload_load" src="/static/images/upload.gif" align="absmiddle" />';
 $('#uploadfiles').append($imgHtml);
 },
 'onUploadSuccess': function(file, data, response) {
 $('.upload_load').remove();
 var json = $.parseJSON(data);
 if (json.state == 'success') {
 $imgHtml = '<span id="file_' + json.file_id + '">';
 $imgHtml += '<a href="' + json.file + '" target="_blank">';
 $imgHtml += '<img src="' + json.file + '" width="100" height="100" align="absmiddle"/>';
 $imgHtml += '</a>';
 $imgHtml += '<a href="javascript:uploadifyRemove("' + json.file + '")">删除</a>';
 $imgHtml += '</span>';
 $($imgHtml).appendTo('#uploadfiles');
 } else {
 alert(json.message);
 }
 },
 'onQueueComplete': function() {
 $('.upload_load').remove();
 }
 });
}); 
</script>