Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package edu.pitt.sis.infsci2730.finalProject.web; import edu.pitt.sis.infsci2730.finalProject.model.CustomerDBModel; import edu.pitt.sis.infsci2730.finalProject.model.TransactionDBModel; import edu.pitt.sis.infsci2730.finalProject.service.TransactionService; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.http.HttpSession; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; /** * * @author Wu */ @Controller @RequestMapping("/orderhistory") public class OrderHistoryController { private TransactionService transactionServie = new TransactionService(); @RequestMapping(value = "", method = RequestMethod.GET) public ModelAndView mypage(HttpSession session) { try { CustomerDBModel customer = (CustomerDBModel) session.getAttribute("customer"); Map<String, Object> myModel = new HashMap<String, Object>(); if (customer == null) { return new ModelAndView("index"); } else { List<TransactionDBModel> l = this.transactionServie .GetTransactionByCustomerID(customer.getCustomer_id() + ""); for (int i = 0; i < l.size(); i++) { TransactionDBModel t = l.get(i); t.setTotoalAmount(this.transactionServie.GetTranactionTotalAmount(t.getTransaction_id() + "")); } myModel.put("transactionList", l); return new ModelAndView("orderHistory", "modelMap", myModel); } } catch (Exception ex) { Logger.getLogger(OrderHistoryController.class.getName()).log(Level.SEVERE, null, ex); return new ModelAndView("500"); } } }