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package com.wsk.controller;
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import com.wsk.bean.ShopInformationBean;
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import com.wsk.pojo.*;
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import com.wsk.service.*;
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import com.wsk.tool.StringUtils;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Created by wsk1103 on 2017/5/11.
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*/
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@Controller
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public class HomeController {
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@Resource
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private ShopInformationService shopInformationService;
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@Resource
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private SpecificeService specificeService;
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@Resource
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private ClassificationService classificationService;
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@Resource
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private AllKindsService allKindsService;
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@Resource
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private ShopContextService shopContextService;
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@RequestMapping(value = {"/", "/home.do"})
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public String home(HttpServletRequest request, Model model) {
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UserInformation userInformation = (UserInformation) request.getSession().getAttribute("userInformation");
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// if user login,the session will have the "userInformation"
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if (!StringUtils.getInstance().isNullOrEmpty(userInformation)) {
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model.addAttribute("userInformation", userInformation);
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} else {
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userInformation = new UserInformation();
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model.addAttribute("userInformation", userInformation);
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}
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//一般形式进入首页
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try {
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List<ShopInformation> shopInformations = selectTen(1, 5);
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List<ShopInformationBean> list = new ArrayList<>();
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int counts = getShopCounts();
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model.addAttribute("shopInformationCounts", counts);
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String stringBuffer;
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for (ShopInformation shopInformation : shopInformations) {
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stringBuffer = getSortName(shopInformation.getSort());
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ShopInformationBean shopInformationBean = new ShopInformationBean();
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shopInformationBean.setId(shopInformation.getId());
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shopInformationBean.setName(shopInformation.getName());
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shopInformationBean.setLevel(shopInformation.getLevel());
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shopInformationBean.setPrice(shopInformation.getPrice().doubleValue());
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shopInformationBean.setRemark(shopInformation.getRemark());
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shopInformationBean.setSort(stringBuffer);
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shopInformationBean.setQuantity(shopInformation.getQuantity());
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shopInformationBean.setUid(shopInformation.getUid());
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shopInformationBean.setTransaction(shopInformation.getTransaction());
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shopInformationBean.setImage(shopInformation.getImage());
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list.add(shopInformationBean);
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}
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model.addAttribute("shopInformationBean", list);
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} catch (Exception e) {
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e.printStackTrace();
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return "page/login_page";
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}
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return "index";
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}
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//进入商城
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@RequestMapping(value = "/mall_page.do")
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public String mallPage(HttpServletRequest request, Model model) {
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UserInformation userInformation = (UserInformation) request.getSession().getAttribute("userInformation");
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if (StringUtils.getInstance().isNullOrEmpty(userInformation)) {
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userInformation = new UserInformation();
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model.addAttribute("userInformation", userInformation);
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} else {
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model.addAttribute("userInformation", userInformation);
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}
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try {
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List<ShopInformation> shopInformations = selectTen(1, 12);
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List<ShopInformationBean> list = new ArrayList<>();
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int counts = getShopCounts();
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model.addAttribute("shopInformationCounts", counts);
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String sortName;
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for (ShopInformation shopInformation : shopInformations) {
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int sort = shopInformation.getSort();
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sortName = getSortName(sort);
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ShopInformationBean shopInformationBean = new ShopInformationBean();
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shopInformationBean.setId(shopInformation.getId());
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shopInformationBean.setName(shopInformation.getName());
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shopInformationBean.setLevel(shopInformation.getLevel());
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shopInformationBean.setRemark(shopInformation.getRemark());
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shopInformationBean.setPrice(shopInformation.getPrice().doubleValue());
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shopInformationBean.setSort(sortName);
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shopInformationBean.setQuantity(shopInformation.getQuantity());
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shopInformationBean.setTransaction(shopInformation.getTransaction());
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shopInformationBean.setUid(shopInformation.getUid());
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shopInformationBean.setImage(shopInformation.getImage());
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list.add(shopInformationBean);
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}
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model.addAttribute("shopInformationBean", list);
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} catch (Exception e) {
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e.printStackTrace();
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return "page/login_page";
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}
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return "page/mall_page";
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}
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//通过分类的第三层id获取全名
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private String getSortName(int sort) {
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StringBuilder stringBuffer = new StringBuilder();
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Specific specific = selectSpecificBySort(sort);
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int cid = specific.getCid();
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Classification classification = selectClassificationByCid(cid);
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int aid = classification.getAid();
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AllKinds allKinds = selectAllKindsByAid(aid);
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stringBuffer.append(allKinds.getName());
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stringBuffer.append("-");
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stringBuffer.append(classification.getName());
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stringBuffer.append("-");
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stringBuffer.append(specific.getName());
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// System.out.println(sort);
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return stringBuffer.toString();
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}
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//获得分类中的第一层
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@RequestMapping(value = "/getAllKinds.do")
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@ResponseBody
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public List<AllKinds> getAllKind() {
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return getAllKinds();
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}
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//获得分类中的第二层，通过第一层的id
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@RequestMapping(value = "/getClassification.do", method = RequestMethod.POST)
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@ResponseBody
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public List<Classification> getClassificationByAid(@RequestParam int id) {
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return selectAllClassification(id);
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}
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//通过第二层的id获取对应的第三层
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@RequestMapping(value = "/getSpecific.do")
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@ResponseBody
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public List<Specific> getSpecificByCid(@RequestParam int id) {
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return selectAllSpecific(id);
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}
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//get the shops counts
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@RequestMapping(value = "/getShopsCounts.do")
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@ResponseBody
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public Map getShopsCounts() {
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Map<String, Integer> map = new HashMap<>();
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int counts = 0;
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try {
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counts = shopInformationService.getCounts();
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} catch (Exception e) {
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e.printStackTrace();
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map.put("counts", counts);
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return map;
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}
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map.put("counts", counts);
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return map;
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}
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@RequestMapping(value = "/getShops.do")
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@ResponseBody
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public List getShops(@RequestParam int start) {
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List<ShopInformation> list = new ArrayList<>();
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try {
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int end = 12;
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list = selectTen(start, end);
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} catch (Exception e) {
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e.printStackTrace();
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return list;
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}
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return list;
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}
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//获取商品，分页,一次性获取end个
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private List<ShopInformation> selectTen(int start, int end) {
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Map map = new HashMap();
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map.put("start", (start - 1) * end);
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map.put("end", end);
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List<ShopInformation> list = shopInformationService.selectTen(map);
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return list;
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}
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//获取最详细的分类，第三层
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private Specific selectSpecificBySort(int sort) {
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return specificeService.selectByPrimaryKey(sort);
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}
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//获得第二层分类
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private Classification selectClassificationByCid(int cid) {
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return classificationService.selectByPrimaryKey(cid);
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}
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//获得第一层分类
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private AllKinds selectAllKindsByAid(int aid) {
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return allKindsService.selectByPrimaryKey(aid);
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}
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//获得第一层所有
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private List<AllKinds> getAllKinds() {
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return allKindsService.selectAll();
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}
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//根据第一层的id获取该层下的第二层
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private List<Classification> selectAllClassification(int aid) {
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return classificationService.selectByAid(aid);
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}
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//根据第二层的id获取其对应的第三层所有id
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private List<Specific> selectAllSpecific(int cid) {
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return specificeService.selectByCid(cid);
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}
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//获得商品总页数
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private int getShopCounts() {
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return shopInformationService.getCounts();
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}
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//获得商品留言总页数
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private int getShopContextCounts(int sid) {
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return shopContextService.getCounts(sid);
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}
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//获得商品留言，10条
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private List<ShopContext> selectShopContextBySid(int sid, int start) {
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return shopContextService.findById(sid, (start - 1) * 10);
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}
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}
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