Ext 复选框 封存

Ext 复选框 保存
这是前台页面..

public MtStaffArchives saveMtStaffArchivesByDwr(MtStaffArchives obj,List areas){  String area="";if(null!=areas&&!areas.isEmpty()){for(Iterator iterator=areas.iterator();iterator.hasNext();){String str = (String)iterator.next();if(iterator.hasNext()){area += str+",";}else{area += str;}}}obj.setDataState(DatabaseConstants.DATA_STATE_DEFAULT);obj.setSharesMannerCd(area);saveMtStaffArchives(obj);return obj;}