在后台获取Jmesa中被选中的行（check=true）
/** * To remove a AssayReturntypes * * @param request HttpServletRequest * @param response HttpServletResponse */@RequestMappingpublic void removeStudys(HttpServletRequest request, HttpServletResponse response) {WebContext webContext = new HttpServletRequestWebContext(request);WorksheetState state = new SessionWorksheetState("studysTable", webContext);Worksheet worksheet = state.retrieveWorksheet();Collection<WorksheetRow> rows = worksheet.getRows();List<Study> studys = new ArrayList<Study>();StringBuffer buffer = new StringBuffer();for (WorksheetRow row : rows) {String idStr = row.getUniqueProperty().getValue();Study study = new Study();if(!StringUtils.isEmpty(idStr) && StringUtils.isNumeric(idStr)) {study.setId(Integer.parseInt(idStr));studys.add(study);}buffer.append(idStr);}if (!studyService.removeStudy(studys)) {MessageUtils.outputJSONResult(buffer.toString(), response);}}