如图5.1显示的就是用户信息管理页面，此页面提供给管理员的功能有：用户信息的查询管理，可以删除用户信息、修改用户信息、新增用户信息，

还进行了对用户名称的模糊查询的条件

图5.1 用户信息管理页面

如图5.2显示的就是商品信息管理页面，此页面提供给管理员的功能有：查看已发布的商品信息数据，修改商品信息，商品信息作废，即可删除，还进行了对商品信息名称的模糊查询 商品信息信息的类型查询等等一些条件。

主要代码

package com.controller;import java.io.File;
import java.math.BigDecimal;
import java.net.URL;
import java.text.SimpleDateFormat;
import com.alibaba.fastjson.JSONObject;
import java.util.*;
import org.springframework.beans.BeanUtils;
import javax.servlet.http.HttpServletRequest;
import org.springframework.web.context.ContextLoader;
import javax.servlet.ServletContext;
import com.service.TokenService;
import com.utils.*;
import java.lang.reflect.InvocationTargetException;import com.service.DictionaryService;
import org.apache.commons.lang3.StringUtils;
import com.annotation.IgnoreAuth;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.entity.*;
import com.entity.view.*;
import com.service.*;
import com.utils.PageUtils;
import com.utils.R;
import com.alibaba.fastjson.*;/*** 商品* 后端接口* @author* @email
*/
@RestController
@Controller
@RequestMapping("/goods")
public class GoodsController {private static final Logger logger = LoggerFactory.getLogger(GoodsController.class);@Autowiredprivate GoodsService goodsService;@Autowiredprivate TokenService tokenService;@Autowiredprivate DictionaryService dictionaryService;//级联表service@Autowiredprivate YonghuService yonghuService;/*** 后端列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));String role = String.valueOf(request.getSession().getAttribute("role"));if(false)return R.error(511,"永不会进入");else if("用户".equals(role))params.put("yonghuId",request.getSession().getAttribute("userId"));params.put("goodsDeleteStart",1);params.put("goodsDeleteEnd",1);if(params.get("orderBy")==null || params.get("orderBy")==""){params.put("orderBy","id");}PageUtils page = goodsService.queryPage(params);//字典表数据转换List<GoodsView> list =(List<GoodsView>)page.getList();for(GoodsView c:list){//修改对应字典表字段dictionaryService.dictionaryConvert(c, request);}return R.ok().put("data", page);}/*** 后端详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id, HttpServletRequest request){logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);GoodsEntity goods = goodsService.selectById(id);if(goods !=null){//entity转viewGoodsView view = new GoodsView();BeanUtils.copyProperties( goods , view );//把实体数据重构到view中//修改对应字典表字段dictionaryService.dictionaryConvert(view, request);return R.ok().put("data", view);}else {return R.error(511,"查不到数据");}}/*** 后端保存*/@RequestMapping("/save")public R save(@RequestBody GoodsEntity goods, HttpServletRequest request){logger.debug("save方法:,,Controller:{},,goods:{}",this.getClass().getName(),goods.toString());String role = String.valueOf(request.getSession().getAttribute("role"));if(false)return R.error(511,"永远不会进入");Wrapper<GoodsEntity> queryWrapper = new EntityWrapper<GoodsEntity>().eq("goods_name", goods.getGoodsName()).eq("goods_types", goods.getGoodsTypes()).eq("goods_price", goods.getGoodsPrice()).eq("goods_kucun_number", goods.getGoodsKucunNumber()).eq("goods_clicknum", goods.getGoodsClicknum()).eq("shangxia_types", goods.getShangxiaTypes()).eq("goods_delete", goods.getGoodsDelete());logger.info("sql语句:"+queryWrapper.getSqlSegment());GoodsEntity goodsEntity = goodsService.selectOne(queryWrapper);if(goodsEntity==null){goods.setGoodsClicknum(1);goods.setShangxiaTypes(1);goods.setGoodsDelete(1);goods.setCreateTime(new Date());goodsService.insert(goods);return R.ok();}else {return R.error(511,"表中有相同数据");}}/*** 后端修改*/@RequestMapping("/update")public R update(@RequestBody GoodsEntity goods, HttpServletRequest request){logger.debug("update方法:,,Controller:{},,goods:{}",this.getClass().getName(),goods.toString());String role = String.valueOf(request.getSession().getAttribute("role"));
//        if(false)
//            return R.error(511,"永远不会进入");//根据字段查询是否有相同数据Wrapper<GoodsEntity> queryWrapper = new EntityWrapper<GoodsEntity>().notIn("id",goods.getId()).andNew().eq("goods_name", goods.getGoodsName()).eq("goods_types", goods.getGoodsTypes()).eq("goods_price", goods.getGoodsPrice()).eq("goods_kucun_number", goods.getGoodsKucunNumber()).eq("goods_clicknum", goods.getGoodsClicknum()).eq("shangxia_types", goods.getShangxiaTypes()).eq("goods_delete", goods.getGoodsDelete());logger.info("sql语句:"+queryWrapper.getSqlSegment());GoodsEntity goodsEntity = goodsService.selectOne(queryWrapper);if("".equals(goods.getGoodsPhoto()) || "null".equals(goods.getGoodsPhoto())){goods.setGoodsPhoto(null);}if(goodsEntity==null){goodsService.updateById(goods);//根据id更新return R.ok();}else {return R.error(511,"表中有相同数据");}}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Integer[] ids){logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());ArrayList<GoodsEntity> list = new ArrayList<>();for(Integer id:ids){GoodsEntity goodsEntity = new GoodsEntity();goodsEntity.setId(id);goodsEntity.setGoodsDelete(2);list.add(goodsEntity);}if(list != null && list.size() >0){goodsService.updateBatchById(list);}return R.ok();}/*** 批量上传*/@RequestMapping("/batchInsert")public R save( String fileName){logger.debug("batchInsert方法:,,Controller:{},,fileName:{}",this.getClass().getName(),fileName);try {List<GoodsEntity> goodsList = new ArrayList<>();//上传的东西Map<String, List<String>> seachFields= new HashMap<>();//要查询的字段Date date = new Date();int lastIndexOf = fileName.lastIndexOf(".");if(lastIndexOf == -1){return R.error(511,"该文件没有后缀");}else{String suffix = fileName.substring(lastIndexOf);if(!".xls".equals(suffix)){return R.error(511,"只支持后缀为xls的excel文件");}else{URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径File file = new File(resource.getFile());if(!file.exists()){return R.error(511,"找不到上传文件，请联系管理员");}else{List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件dataList.remove(0);//删除第一行，因为第一行是提示for(List<String> data:dataList){//循环GoodsEntity goodsEntity = new GoodsEntity();
//                            goodsEntity.setGoodsName(data.get(0));                    //商品名称 要改的
//                            goodsEntity.setGoodsPhoto("");//照片
//                            goodsEntity.setGoodsTypes(Integer.valueOf(data.get(0)));   //商品类型 要改的
//                            goodsEntity.setGoodsPrice(Integer.valueOf(data.get(0)));   //购买获得积分 要改的
//                            goodsEntity.setGoodsKucunNumber(Integer.valueOf(data.get(0)));   //商品库存 要改的
//                            goodsEntity.setGoodsOldMoney(data.get(0));                    //商品原价 要改的
//                            goodsEntity.setGoodsNewMoney(data.get(0));                    //现价 要改的
//                            goodsEntity.setGoodsClicknum(Integer.valueOf(data.get(0)));   //点击次数 要改的
//                            goodsEntity.setShangxiaTypes(Integer.valueOf(data.get(0)));   //是否上架 要改的
//                            goodsEntity.setGoodsDelete(1);//逻辑删除字段
//                            goodsEntity.setGoodsContent("");//照片
//                            goodsEntity.setCreateTime(date);//时间goodsList.add(goodsEntity);//把要查询是否重复的字段放入map中}//查询是否重复goodsService.insertBatch(goodsList);return R.ok();}}}}catch (Exception e){return R.error(511,"批量插入数据异常，请联系管理员");}}/*** 前端列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params, HttpServletRequest request){logger.debug("list方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));// 没有指定排序字段就默认id倒序if(StringUtil.isEmpty(String.valueOf(params.get("orderBy")))){params.put("orderBy","id");}PageUtils page = goodsService.queryPage(params);//字典表数据转换List<GoodsView> list =(List<GoodsView>)page.getList();for(GoodsView c:list)dictionaryService.dictionaryConvert(c, request); //修改对应字典表字段return R.ok().put("data", page);}/*** 前端详情*/@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id, HttpServletRequest request){logger.debug("detail方法:,,Controller:{},,id:{}",this.getClass().getName(),id);GoodsEntity goods = goodsService.selectById(id);if(goods !=null){//点击数量加1goods.setGoodsClicknum(goods.getGoodsClicknum()+1);goodsService.updateById(goods);//entity转viewGoodsView view = new GoodsView();BeanUtils.copyProperties( goods , view );//把实体数据重构到view中//修改对应字典表字段dictionaryService.dictionaryConvert(view, request);return R.ok().put("data", view);}else {return R.error(511,"查不到数据");}}/*** 前端保存*/@RequestMapping("/add")public R add(@RequestBody GoodsEntity goods, HttpServletRequest request){logger.debug("add方法:,,Controller:{},,goods:{}",this.getClass().getName(),goods.toString());Wrapper<GoodsEntity> queryWrapper = new EntityWrapper<GoodsEntity>().eq("goods_name", goods.getGoodsName()).eq("goods_types", goods.getGoodsTypes()).eq("goods_price", goods.getGoodsPrice()).eq("goods_kucun_number", goods.getGoodsKucunNumber()).eq("goods_clicknum", goods.getGoodsClicknum()).eq("shangxia_types", goods.getShangxiaTypes()).eq("goods_delete", goods.getGoodsDelete());logger.info("sql语句:"+queryWrapper.getSqlSegment());GoodsEntity goodsEntity = goodsService.selectOne(queryWrapper);if(goodsEntity==null){goods.setGoodsDelete(1);goods.setCreateTime(new Date());goodsService.insert(goods);return R.ok();}else {return R.error(511,"表中有相同数据");}}}

图5.2 商品信息管理页面

如图5.3显示的就是商品评论管理页面，此页面提供给管理员的功能有：根据商品评论进行条件查询，还可以对商品评论进行新增、修改、查询操作等等。

图5.3 商品评论管理页面

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