断点续上传 http://jsfiddle.net/gh/get/extjs/4.2/icattlecoder/jsfiddle/tree/master/resumbleupload
上传凭证 http://jsfiddle.net/gh/get/extjs/4.2/icattlecoder/jsfiddle/tree/master/uptoken
表单上传 http://jsfiddle.net/gh/get/library/pure/icattlecoder/jsfiddle/tree/master/formupload
异步上传 http://jsfiddle.net/gh/get/jquery/1.9.1/icattlecoder/jsfiddle/tree/master/ajaxupload