javaweb期末大作业课程设计二手闲置物品交易系统源码.zip

package com.bupt.controller; import com.bupt.config.GgeeConst; import com.bupt.dto.AjaxResult; import com.bupt.pojo.*; import com.bupt.service.*; import com.bupt.util.DateUtil; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.io.File; import java.io.IOException; import java.util.*; import java.util.stream.Collectors; @Controller @RequestMapping(value = "/goods") public class GoodsController { private static Log LOG = LogFactory.getLog(GoodsController.class); @Autowired private GoodsService goodsService; @Autowired private ImageService imageService; @Autowired private CatelogService catelogService; @Autowired private UserService userService; @Autowired private CommentsService commentsService; /** * 首页显示商品，每一类商品查询6件，根据最新上架排序 key的命名为catelogGoods1、catelogGoods2.... * * @return * @throws Exception */ @RequestMapping(value = "/homeGoods") public ModelAndView homeGoods(HttpServletRequest request) throws Exception { ModelAndView modelAndView = new ModelAndView(); User cur_user = (User) request.getSession().getAttribute("cur_user"); modelAndView.addObject("cur_user", cur_user); //商品种类数量 int catelogSize = 7; //每个种类显示商品数量 int goodsSize = 6; for (int i = 1; i <= catelogSize; i++) { List<Goods> goodsList = null; List<GoodsExtend> goodsAndImage = null; goodsList = goodsService.getGoodsByCatelogOrderByDate(i, goodsSize); goodsAndImage = new ArrayList<GoodsExtend>(); for (int j = 0; j < goodsList.size() ; j++) { //将用户信息和image信息封装到GoodsExtend类中，传给前台 GoodsExtend goodsExtend = new GoodsExtend(); Goods goods = goodsList.get(j); List<Image> images = imageService.getImagesByGoodsPrimaryKey(goods.getId()); goodsExtend.setGoods(goods); goodsExtend.setImages(images); goodsAndImage.add(j, goodsExtend); } String key = "catelog" + "Goods" + i; modelAndView.addObject(key, goodsAndImage); } modelAndView.setViewName("/goods/homeGoods"); return modelAndView; } @RequestMapping(value = "/search") public ModelAndView searchGoods(HttpServletRequest request, @RequestParam(value = "str",required = false) String str)throws Exception { List<Goods> goodsList = goodsService.searchGoods(str,str); List<GoodsExtend> goodsExtendList = new ArrayList<GoodsExtend>(); for(int i = 0;i<goodsList.size();i++) { GoodsExtend goodsExtend = new GoodsExtend(); Goods goods = goodsList.get(i); List<Image> imageList = imageService.getImagesByGoodsPrimaryKey(goods.getId()); goodsExtend.setGoods(goods); goodsExtend.setImages(imageList); goodsExtendList.add(i,goodsExtend); } ModelAndView modelAndView = new ModelAndView(); User cur_user = (User) request.getSession().getAttribute("cur_user"); modelAndView.addObject("cur_user", cur_user); modelAndView.addObject("goodsExtendList", goodsExtendList); modelAndView.addObject("search",str); modelAndView.setViewName("/goods/searchGoods"); return modelAndView; } /** * 查询该类商品 * @param id * 要求该参数不为空 * @return * @throws Exception */ @RequestMapping(value = "/catelog/{id}") public ModelAndView catelogGoods(HttpServletRequest request, @PathVariable("id") Integer id, @RequestParam(value = "str",required = false) String str) throws Exception { List<Goods> goodsList = goodsService.getGoodsByCatelog(id,str,str); Catelog catelog = catelogService.selectByPrimaryKey(id); List<GoodsExtend> goodsExtendList = new ArrayList<GoodsExtend>(); for(int i = 0;i<goodsList.size();i++) { GoodsExtend goodsExtend = new GoodsExtend(); Goods goods = goodsList.get(i); List<Image> imageList = imageService.getImagesByGoodsPrimaryKey(goods.getId()); goodsExtend.setGoods(goods); goodsExtend.setImages(imageList); goodsExtendList.add(i,goodsExtend); } ModelAndView modelAndView = new ModelAndView(); User cur_user = (User) request.getSession().getAttribute("cur_user"); modelAndView.addObject("cur_user", cur_user); modelAndView.addObject("goodsExtendList", goodsExtendList); modelAndView.addObject("catelog", catelog); modelAndView.addObject("search",str); modelAndView.setViewName("/goods/catelogGoods"); return modelAndView; } /** * 根据商品id查询该商品详细信息 * @param id * @return * @throws Exception */ @RequestMapping(value = "/goodsId/{id}") public ModelAndView getGoodsById(HttpServletRequest request, @PathVariable("id") Integer id,@RequestParam(value = "str",required = false) String str) throws Exception { Goods goods = goodsService.getGoodsByPrimaryKey(id); User seller = userService.selectByPrimaryKey(goods.getUserId()); Catelog catelog = catelogService.selectByPrimaryKey(goods.getCatelogId()); GoodsExtend goodsExtend = new GoodsExtend(); List<Image> imageList = imageService.getImagesByGoodsPrimaryKey(id); goodsExtend.setGoods(goods); goodsExtend.setImages(imageList); ModelAndView modelAndView = new ModelAndView(); User cur_user = (User) request.getSession().getAttribute("cur_user"); List<Comments> commentsList = commentsService.getCommentsByGoodsId(id); Set<Integer> userIds = new HashSet<>(); for (Comments comments : commentsList) { userIds.add(comments.getUserId()); if (comments.getAtuserId() != 0){ userIds.add(comments.getAtuserId()); } } List<User> users = userService.getUsersByIds(userIds); Map<Integer, User> id2user = users.stream(). collect(Collectors.toMap(User::getId, user -> user)); for (Comments comments : commentsList) { comments.setUser(id2user.get(comments.getUserId())); if (comments.getAtuserId() != 0){ comments.setAtuser(id2user.get(comments.getAtuserId())); } } modelAndView.addObject("cur_user", cur_user); modelAndView.addObject("goodsExtend", goodsExtend); modelAndView.addObject("seller", seller); modelAndView.addObject("search",str); modelAndView.addObject("catelog", catelog); modelAndView.addObject("commentsList", commentsList); modelAndView.setViewName("/goods/detailGoods"); return modelAndView; } /** * 修改商品信息 * * @return * @throws Exception */ @RequestMapping(value = "/editGoods/{id}") public ModelAndView editGoods(HttpServletRequest request, @PathVariable("id") Integer id) throws Exception { Goods goods = goodsService.getGoodsByPrimaryKey(id); List<Image> imageList = imageService.getImagesByGoodsPrimaryKey(id); GoodsExtend goodsExtend = new GoodsExtend(); goodsExtend.setGoods(goods); goodsExtend.setImages(imageList); ModelAndView mo