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 controller; import entity.Chanel; import java.util.List; import java.util.Vector; import javax.servlet.http.HttpServletRequest; import model.ChanelModel; import model.MyUtils; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; /** * * @author Minh-IT */ @Controller @RequestMapping(value = "/admin/chanelManager") public class ChanelManagerController { private ChanelModel chanelModel = new ChanelModel(); @RequestMapping(method = RequestMethod.GET) public String chanelManager(ModelMap mm) { initData(mm); mm.put("title", "Chanel Manager"); return "chanelManager"; } private void initData(ModelMap mm) { Vector data = new Vector(); Vector column = new Vector(); List<Chanel> list = chanelModel.getAll(); column.add("ID"); column.add("Chanel Name"); column.add("Chanel Price"); column.add("Content"); for (Chanel cl : list) { Vector tmp = new Vector(); tmp.add(cl.getChanelId()); tmp.add(cl.getChanelName()); tmp.add(MyUtils.getCurrencyFormat().format(cl.getChanelPrice())); tmp.add(cl.getChanelContent()); tmp.add("id://" + cl.getChanelId()); data.add(tmp); } mm.put("column", column); mm.put("data", data); } @RequestMapping(value = "/edit/{id}", method = RequestMethod.GET) public String editCustomer(@PathVariable(value = "id") String id, ModelMap mm) { try { Chanel cl = chanelModel.getByID(Integer.parseInt(id)); if (cl == null) { cl = new Chanel(); } mm.addAttribute("chanel", cl); } catch (Exception ex) { ex.printStackTrace(); } return "editChanel"; } @RequestMapping(value = "/process", method = RequestMethod.POST) public String processChanel(HttpServletRequest req, @ModelAttribute(value = "chanel") Chanel cl, @RequestParam(value = "action") String action, ModelMap mm) { try { String contextPath = req.getContextPath(); if (action.equalsIgnoreCase("update")) { mm.put("check", chanelModel.addOrUpdate(cl)); mm.put("alert", "Chanel Updated"); } if (action.equalsIgnoreCase("add")) { cl.setChanelId(0); mm.put("check", chanelModel.addOrUpdate(cl)); mm.put("alert", "Chanel Added"); } if (action.equalsIgnoreCase("delete")) { mm.put("check", chanelModel.delete(cl)); mm.put("alert", "Chanel Deleted"); } mm.put("link", contextPath + "/admin/chanelManager.html"); } catch (Exception ex) { ex.printStackTrace(); mm.put("err", ex.getMessage()); } return "processChanel"; } }