供应链金融项目的一个小功能

package bill.controller; import bill.dao.TicketTransferDao; import bill.dao.impl.TicketTransferDaoImpl; import bill.entity.Enterprise; import bill.entity.Transfer; import bill.entity.Voucher; import bill.pojo.TicketTransfer; import bill.pojo.TranSers; import bill.seivice.EnterpriseService; import bill.seivice.TicketTransferService; import bill.seivice.TransferService; import bill.seivice.VoucherService; import bill.seivice.impl.EnterpriseServiceImpl; import bill.seivice.impl.TicketTransferServiceImpl; import bill.seivice.impl.TransferServiceImpl; import bill.seivice.impl.VoucherServiceImpl; import com.google.gson.Gson; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.UUID; @WebServlet("/tictran/*") public class TicketTranServlet extends HttpServlet { private static int sequence = 0; // 序列号 private static final int SEQUENCE_LENGTH = 6; // 序列号的长度 private static final int NUMBER_LENGTH = 15; // 编号的总长度 @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //处理乱码 request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); response.setContentType("application/json;charset=utf-8"); //获得请求路径 String url = request.getRequestURI(); String methodName = url.substring(url.lastIndexOf("/") + 1); Class cla = TicketTranServlet.class; try { Method method = cla.getMethod(methodName, HttpServletRequest.class, HttpServletResponse.class); method.invoke(cla.newInstance(), request, response); } catch (NoSuchMethodException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } } //查询凭证基本信息 public void ticTranQuery(HttpServletRequest request, HttpServletResponse response) throws IOException { String vNo = request.getParameter("vNo"); HttpSession session=request.getSession(); session.setAttribute("vNo",vNo); TicketTransferDao tic = new TicketTransferDaoImpl(); ArrayList<TicketTransfer> ticketTransfers = tic.selectAll(vNo); Gson gson = new Gson(); response.getWriter().println(gson.toJson(ticketTransfers)); } //查询收单企业的社会信用代码 public void ticTranQuerySD(HttpServletRequest request, HttpServletResponse response) throws IOException { String ename = request.getParameter("receiveName"); TicketTransferService tts = new TicketTransferServiceImpl(); System.out.println(ename); if (!"".equals(ename) && !ename.equals(null) && !"0".equals(ename)) { String rsCode = tts.queryRsCode(ename); Gson gson = new Gson(); response.getWriter().println(gson.toJson(rsCode)); } } //提交功能 public void tickSubmit(HttpServletRequest request, HttpServletResponse response) throws IOException { Transfer transfer = new Transfer(); Voucher voucher = new Voucher(); String vNo = (String) request.getSession().getAttribute("vNo"); double money = Double.parseDouble(request.getParameter("money")); String sdname = request.getParameter("sdname");//收单企业 String textarea = request.getParameter("textarea"); TicketTransferDao tic = new TicketTransferDaoImpl(); ArrayList<TicketTransfer> ticketTransfers = tic.selectAll(vNo); EnterpriseService enterpriseService = new EnterpriseServiceImpl(); //A公司的转让表 transfer.settNo(generateVoucherNumber1());//编号 ArrayList<Enterprise> select1 = enterpriseService.select(ticketTransfers.get(0).geteName());//获得转单企业id for (Enterprise i : select1) { transfer.setTransferId(i.geteId()); } ArrayList<Enterprise> select2 = enterpriseService.select(ticketTransfers.get(0).getoName());//获得开单企业id for (Enterprise i : select2) { transfer.setOpenId(i.geteId()); } transfer.setiId(ticketTransfers.get(0).getiId());//获得金融机构id transfer.setReceiveId(enterpriseService.select(sdname).get(0).geteId());//获得收单企业id transfer.settAmount(ticketTransfers.get(0).getvAmount());//转单金额 transfer.setoTime(ticketTransfers.get(0).getoTime());//开单日期 transfer.setdTime(ticketTransfers.get(0).getdTime());//过期日期 transfer.setUpAddress(UUID.randomUUID().toString().substring(20));//上链地址 transfer.setStatus("A");//处理状态 transfer.setProgressStatus("A");//进度状态 transfer.setvId(ticketTransfers.get(0).getvId());//凭证id transfer.setPayType(ticketTransfers.get(0).getPayType());//付息方式 transfer.setRemark(textarea);//备注 TransferService transferService = new TransferServiceImpl(); boolean b = transferService.insertTransfer(transfer); //B公司的凭证表 voucher.setvNo(generateVoucherNumber());//凭证编号 voucher.setvAmount(money);//B公司凭证金额 voucher.seteId(enterpriseService.select(sdname).get(0).geteId());//B公司id voucher.setOpenId(enterpriseService.select(ticketTransfers.get(0).getoName()).get(0).geteId());//获得开单企业id voucher.setiId(ticketTransfers.get(0).getiId());//获得金融机构id voucher.setoTime(ticketTransfers.get(0).getoTime());//获得开单时间 voucher.setdTime(ticketTransfers.get(0).getdTime());//获得到期时间 voucher.setUpAddress(UUID.randomUUID().toString().substring(20));//上链地址 voucher.setSource("A");//凭证来源 voucher.setStatus("A");//处理状态 //voucher.setSourceId();//凭证来源id(不要) voucher.setPayType(ticketTransfers.get(0).getPayType());//付息方式 voucher.setvRemark(ticketTransfers.get(0).geteName()+"转让给"+sdname+money+"元");//凭证表备注 VoucherService voucherService = new VoucherServiceImpl(); voucherService.insertVoucher(voucher); //修改功能 voucherService.updateVoucher(ticketTransfers.get(0).getvId()); //A公司的凭证表 if (ticketTransfers.get(0).getvAmount() > money) { voucher.setvNo(generateVoucherNumber());//凭证编号 voucher.setvAmount(ticketTransfers.get(0).getvAmount() - money);//A公司凭证金额 voucher.seteId(enterpriseService.select(ticketTransfers.get(0).geteName()).get(0).geteId());//A公司id voucher.setOpenId(enterpriseService.select(ticketTransfers.get(0).getoName()).get(0).geteId());//获得开单企业id voucher.setiId(ticketTransfers.get(0).getiId());//获得金融机构id voucher.setoTime(ticketTransfers.get(0).getoTime());//获得开单时间 voucher.setdTime(ticketTransfers.get(0).getdTime());//获得到期时间 voucher.setUpAddress(UUID.randomUUID().toString().substring(20));//上链地址 voucher.setSource("B");//凭证来源 voucher.setStatus("A");//处理状态