Uploadify删除列表文件后恢复uploadLimit上传数量限制

1. 定义一个上传限制数量 var uploadLimit = 3;

2. 点击页面的删除图片成功后，将uploadLimit++操作

3. 通过uploadify的settings方式重置上传限制数量,例如

$('#file_upload').uploadify('settings','uploadLimit', ++uploadLimit);