完善备课资料字段

sclass/src/main/java/com/xhkjedu/sclass/controller/classroom/ClassroomController.java

                     votestuList.add(stuvote);
                 } else if("profileteacher".equals(rtype)){//资料
                     TClassroomProfile profile = JSON.parseObject(jsonstr,TClassroomProfile.class);
+                    if(N_Utils.isEmpty(profile.getProfilesuffix())){
+                        profile.setProfilesuffix("doc");
+                    }
                     profileList.add(profile);
                 } else if("profilestudent".equals(rtype)){//资料--学生
                     TClassroomProfileStudent stuProfile = JSON.parseObject(jsonstr,TClassroomProfileStudent.class);
                 votestuList.add(stuvote);
             } else if("profileteacher".equals(rtype)){//资料
                 TClassroomProfile profile = JSON.parseObject(jsonstr,TClassroomProfile.class);
+                if(N_Utils.isEmpty(profile.getProfilesuffix())){
+                    profile.setProfilesuffix("doc");
+                }
+
                 if(N_Utils.isNotEmpty(nodename)) {
                     profile.setProfileurl(nodename + "/" + profile.getProfileurl());
                 }