自定义条件查询商品

src/main/java/cn/chjyj/szwh/controller/admin/AdminGoodsController.java

@@ -70,4 +70,19 @@ public class AdminGoodsController extends BaseController {
        // jsonObject.put("data",goodsDetail);
         return jsonObject;
     }
+
+    /**
+     * 筛选不同类型的商品排名
+     * @param type
+     * @return
+     */
+    @PostMapping("/rankingList")
+    public JSONObject rankingList(@RequestParam(value = "type",defaultValue = "1") String type){
+        int itype = Integer.valueOf(type);
+        Map retmap = goodsService.getMapDataByTyep(itype);
+        jsonObject.put("data",retmap);
+        jsonObject.put("code",200);
+        jsonObject.put("msg","成功");
+        return jsonObject;
+    }
 }

src/main/java/cn/chjyj/szwh/mapper/GoodsMapper.java

@@ -42,4 +42,12 @@ public interface GoodsMapper {
      * @return
      */
     List<Goods> isliRankList(@Param("dtzone") String dtzone,@Param("limit") int limit);
+
+    /**
+     * 根据where 条件查询
+     * 排序、集合等均可以
+     * @param con
+     * @return
+     */
+    List<Goods> getGoodsByCondition(String con);
 }

src/main/java/cn/chjyj/szwh/service/GoodsService.java

@@ -3,6 +3,7 @@ package cn.chjyj.szwh.service;
 import cn.chjyj.szwh.bean.Goods;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * 商品信息
@@ -26,4 +27,11 @@ public interface GoodsService {
      * @return
      */
     int getApiGoods();
+
+    /**
+     * 根据点击类型筛选商品
+     * @param type
+     * @return
+     */
+    Map<String,Object> getMapDataByTyep(int type);
 }

src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java

@@ -67,4 +67,30 @@ public class GoodsServiceImpl implements GoodsService {
 
         return count;
     }
+
+    @Override
+    public Map<String, Object> getMapDataByTyep(int type) {
+        Map retmap = new HashMap();
+
+        String where="goods.is_deleted=0 ";//排序
+        int limit=10;
+        // 点击量倒序
+        if (type==1){
+            where+="goods.click_count desc";
+        }
+
+        // 销售量
+        if(type==2){
+            where+="goods.sale_count desc";
+        }
+
+        //推荐,just 8
+        if(type==3){
+            limit=8;
+            where+="goods.recommend_sort desc";
+        }
+
+
+        return null;
+    }
 }

src/main/resources/mapper/szwh/GoodsMapper.xml

@@ -23,6 +23,7 @@
             </foreach>
         </where>
     </select>
+
     <!--查询记录列表-->
     <select id="getGoodsList" parameterType="java.lang.Integer" resultType="cn.chjyj.szwh.bean.Goods">
         select * from (
@@ -45,6 +46,13 @@
         limit #{limit};
     </select>
 
+    <!-- 条件查询-->
+    <select id="getGoodsByCondition" resultType="cn.chjyj.szwh.bean.Goods">
+        select <include refid="column"/>
+        from <include refid="tbName"/>
+        where #{con};
+    </select>
+
     <!--根据uid查询用户-->
     <select id="getUserByUid" parameterType="java.lang.Integer" resultType="cn.chjyj.szwh.bean.Goods">
         select

src/test/java/cn/chjyj/szwh/mapper/GoodsMapperTest.java

@@ -54,4 +54,11 @@ public class GoodsMapperTest {
         List<Goods> grank =goodsMapper.isliRankList(dtzone,limit);
         System.out.println(grank.size());
     }
+
+    @Test
+    public void getGoodsByCon(){
+        String wcon="is_deleted=0 order by click_count desc";
+        List glist = goodsMapper.getGoodsByCondition(wcon);
+        System.out.println(glist.size());
+    }
 }