java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast to org.springframework.web.multipart.MultipartHttpServletRequest >>>>>>>>>>>>>>>>>>>>>>>>>&
[上传]带进度条 view 注:添加easyui的js文件 <script type="text/javascript"> function fileSelected() { var file = document.getElementById('fileToUpload').files[0]; var fileName = file.name; var file_typename = fileName.substring(fileName.lastIndexOf('.'