java里自定义分页查询的尝试

 public String list(){
      try {
          LoginUser loginUser = getLoginUser();//获取当前登录用户
          if(curpage<=0){
              curpage=1;
          }
          pagesize=15;
          RunParam runParam = runParamService.getTzrqrq();

          if(faccountDate == null){
             faccountDate = runParam.getfItemDouDate();
             if(faccountDate == null){
                 faccountDate = MyUtils.nowYmDate();
             }
         }

         String s1=faccountDate.substring(0, 4);
         String s2=faccountDate.substring(5, 7);
         s1+=s2;

            String sql = "SELECT FContainerNO,FHappenCompanyNO,FHappenCompanyName,FContainerTypeNO,FContainerTypeName,";
                     sql += "FContainerName,FAccountDate,SUM(FQuantity_K) AS FQuantity_K,SUM(FQuantity_QC) AS FQuantity_QC,SUM(FQuantity_RK) AS FQuantity_RK,SUM(FQuantity_CK) AS FQuantity_CK,";
                     sql += "SUM(FQuantity_BS) AS FQuantity_BS,SUM(FQuantity_FX) AS FQuantity_FX,SUM(FQuantity_PC) AS FQuantity_PC FROM V_Bus_StoConAIAOAcc";
                     sql += " WHERE FAccountDate='"+s1+"'";
                     if(fhappenCompanyNO!=null&&!"".equals(fhappenCompanyNO)){
                         sql+=" and FHappenCompanyNO='"+fhappenCompanyNO+"'or FHappenCompanyName='"+fhappenCompanyNO+"'";
                     }
                     if("2".equals(loginUser.getUserType())){
                         sql+=" and FHappenCompanyNO='"+loginUser.getSupplierCode()+"'";
                     }
                     if(fcontainerNO!=null&&!"".equals(fcontainerNO)){
                         sql+=" and FContainerNO='"+fcontainerNO+"' or FContainerName='"+fcontainerNO+"'";
                     }
                     sql += " GROUP BY FContainerTypeNO,FContainerTypeName,FHappenCompanyNO,FHappenCompanyName,FContainerNO,FContainerName,FAccountDate ";
                     sql += " ORDER BY FHappenCompanyNO,FContainerTypeNO,FContainerNO ";
                    // sql = " SELECT TOP "+15 +" og.* FROM (SELECT ROW_NUMBER() OVER(ORDER BY FHappenCompanyNO,FContainerTypeNO,FContainerNO) AS rownumber,o.* FROM ("+sql+") AS o) AS og WHERE og.rownumber>"+pagesize*(curpage-1);
                 stoConAIAOAccList = dbHelper.query(sql);
                 List<StoConAIAOAcc> list=new ArrayList<StoConAIAOAcc>();
                 int i=1;
                 for(Map map:stoConAIAOAccList){
                     if(i>pagesize*(curpage-1)&&i<=pagesize*curpage){
                         StoConAIAOAcc stoConAIAOAcc=new StoConAIAOAcc();
                         stoConAIAOAcc.setFcontainerNO(map.get("FContainerNO")==null?"":map.get("FContainerNO").toString());
                         stoConAIAOAcc.setFcontainerName(map.get("FContainerName")==null?"":map.get("FContainerName").toString());
                         stoConAIAOAcc.setFhappenComNO(map.get("FHappenCompanyNO")==null?"":map.get("FHappenCompanyNO").toString());
                         stoConAIAOAcc.setFhappenComName(map.get("FHappenCompanyName")==null?"":map.get("FHappenCompanyName").toString());
                         stoConAIAOAcc.setFcontainerTypeNO(map.get("FContainerTypeNO")==null?"":map.get("FContainerTypeNO").toString());
                         stoConAIAOAcc.setFcontainerTypeName(map.get("FContainerTypeName")==null?"":map.get("FContainerTypeName").toString());
                         stoConAIAOAcc.setFaccountDate(map.get("FAccountDate")==null?"":map.get("FAccountDate").toString());
                         stoConAIAOAcc.setFquantityk(map.get("FQuantity_K")==null?"":map.get("FQuantity_K").toString());
                         stoConAIAOAcc.setFquantityQC(map.get("FQuantity_QC")==null?"":map.get("FQuantity_QC").toString());
                         stoConAIAOAcc.setFquantityRK(map.get("FQuantity_RK")==null?"":map.get("FQuantity_RK").toString());
                         stoConAIAOAcc.setFquantityCK(map.get("FQuantity_CK")==null?"":map.get("FQuantity_CK").toString());
                         stoConAIAOAcc.setFquantityBS(map.get("FQuantity_BS")==null?"":map.get("FQuantity_BS").toString());
                         stoConAIAOAcc.setFquantityFX(map.get("FQuantity_FX")==null?"":map.get("FQuantity_FX").toString());
                         stoConAIAOAcc.setFquantityPC(map.get("FQuantity_PC")==null?"":map.get("FQuantity_PC").toString());
                         list.add(stoConAIAOAcc);
                     }
                     i++;
                 }
                 PageModel<StoConAIAOAcc> stoConAIAOAccPage1=new PageModel<StoConAIAOAcc>();
                 stoConAIAOAccPage1.setReList(list);
                 stoConAIAOAccPage1.setCurPage(curpage);
                 stoConAIAOAccPage1.setPerindex(curpage>1?(curpage-1):-1);
                 stoConAIAOAccPage1.setNextindex(curpage<(stoConAIAOAccList.size()%pagesize>0?(stoConAIAOAccList.size()/pagesize+1):(stoConAIAOAccList.size()/pagesize))?(curpage+1):-1);
                 stoConAIAOAccPage1.setItemCount(stoConAIAOAccList.size());
                 stoConAIAOAccPage1.setTotalPage(stoConAIAOAccList.size()%pagesize>0?(stoConAIAOAccList.size()/pagesize+1):(stoConAIAOAccList.size()/pagesize));
                 stoConAIAOAccPage1.setPageSize(pagesize);
                 stoConAIAOAccPage=stoConAIAOAccPage1;

          supplierList = supplierService.getAllIsp();

         } catch (Exception e) {
             e.printStackTrace();
         }
             return "stoConAIAOAccList";
  }