在PHP中使用多个文件上传按钮上传Ajax文件

This is my code:

这是我的代码:

<script type="text/javascript">    
 $(function(){
   var btnUpload=$('#browse');
   var adinfoid=$('#adinfoid').val();

   new AjaxUpload(btnUpload, {
     action: '<?php echo base_url()?>index.php/post/upload_editmainimage/'+adinfoid,
     name: 'uploadfile',
     onSubmit: function(file, ext){
       if (! (ext && /^(jpg|png|jpeg|gif|JPG|PNG|JPEG|GIF)$/.test(ext))){
         $("#mainphotoerror").html('Only JPG, PNG, GIF, files are allowed');
         $("#mainphotoerror").css('display','block');
         return false;
       }        
     },
     onComplete: function(file, response){
       //alert(response);
       if(response){
         alert('success');
       }else{
         alert("error");
       }
     }
   });  
 });    
</script>
<script type="text