public boolean getReport(BillManagementPO po) { return bm.getReport(po); }
public void save(BillManagementPO po) { // TODO Auto-generated method stub bm.save(po); }
public ArrayList<BillManagementPO> getBillManagementPO(String date) { return bm.getBillManagementPO(date); }
public BillManagementPO create() { return bm.create(); }