调整购物车显示逻辑

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

@@ -671,39 +671,56 @@ public class GoodsServiceImpl implements GoodsService {
         //shop car infomation
         String shopRedisKey = "car_" + userIsli;
         JSONObject carjson = new JSONObject();
+        // 购物车列表
+        List carList = new ArrayList();
+        // car item
+        Map cimap = new HashMap();
+        // {"user_isli":"ssss",data:["sss","sss","sss"]}
         //object
         Object shopCar = RedisUtil.get(shopRedisKey);
+
+        // 购物车中有记录的
         if (shopCar != null) {
             JSONArray jsonArray = carjson.getJSONArray("data");
-            // 检查goods_isli
-            List goodsIsliList =new ArrayList();
+            if (jsonArray == null) { //为空需要添新的元素
+                cimap.put("goods_isli", goodsIsli);
+                cimap.put("use_years", userYears);
+                carList.add(cimap);
+            } else {
+                //抽取出goods_isli
+                List cgilist = new ArrayList();
                 for (int x = 0; x < jsonArray.size(); x++) {
                     JSONObject tmpjson = (JSONObject) jsonArray.get(x);
-                String tgoodsisli = tmpjson.getString("goods_islid");
-                goodsIsliList.add(tgoodsisli);
+                    cgilist.add(tmpjson.getString("goods_isli"));
                 }
-            //检查是否在列表中
-            if(goodsIsliList.contains(goodsIsli)){
+                // goods_isli has been exist in car?
+                if(cgilist.contains(goodsIsli)){
                     retmap.put("code", 400);
                     retmap.put("msg", "该标的已添加到购物车");
+                }else {
+                    cimap.put("goods_isli", goodsIsli);
+                    cimap.put("use_years", userYears);
+                    carList.add(cimap);
+                }
             }
-            List tmpCarItem = new ArrayList();
-            Map tmpcar = new HashMap();
-            tmpcar.put("goods_isli",goodsIsli);
-            tmpcar.put("use_years",userYears);
-            tmpCarItem.add(tmpcar);
-            carjson.put("data",tmpCarItem);
+            // 添加到购物车json
+            carjson.put("user_isli",userIsli);
+            carjson.put("data",carList);
             RedisUtil.set(shopRedisKey, carjson.toJSONString());
         } else {
-            Map tmpCar = new HashMap();
-            tmpCar.put("goods_islicode",goodsIsli);
-            tmpCar.put("use_years",userYears);
-            List carItem = new ArrayList();
-            carItem.add(tmpCar);
-            carjson.put("data",carItem);
-
+            //first biuld car item
+            cimap.put("user_isli",goodsIsli);
+            cimap.put("use_years",userYears);
+            // second add to carlist
+            carList.add(cimap);
+            //third add new wraper
+            carjson.put("user_isli",userIsli);
+            carjson.put("data",carList);
             RedisUtil.set(shopRedisKey, carjson.toJSONString());
         }
+        //购物车添加成功
+        retmap.put("code", 200);
+        retmap.put("msg", "成功");
         return retmap;
     }
 
@@ -727,6 +744,7 @@ public class GoodsServiceImpl implements GoodsService {
         AccountRatioSetting accountRatioSetting = acrlist.get(0);
         AccountRatioDetail accountRatioDetail = accountRatioDetailMapper.getAccRatioDetailByIdRole(accountRatioSetting.getId(), 2);
 
+        if (jsonArray.size() > 0) {
             //goods information
             for (int x = 0; x < jsonArray.size(); x++) {
                 JSONObject jsonObject = jsonArray.getJSONObject(x);
@@ -775,7 +793,7 @@ public class GoodsServiceImpl implements GoodsService {
                 //
                 retmap.put("goods", goods);
             }
-
+        }
         return retmap;
     }
 

src/test/java/cn/chjyj/szwh/OtherTest.java

@@ -3,13 +3,16 @@ package cn.chjyj.szwh;
 import cn.chjyj.szwh.utils.RedisKeys;
 import cn.chjyj.szwh.utils.RedisUtil;
 import cn.chjyj.szwh.utils.RedisUtils;
+import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @SpringBootTest
@@ -45,4 +48,31 @@ public class OtherTest {
         String ss =RedisKeys.getSysConfigKey("ss");
         System.out.println(ss);
     }
+
+    @Test
+    public void carTest(){
+        String user ="899998-000000001640-3";
+        String goodsIsli="010007-00000000348099999999-3";
+        List carList =new ArrayList();
+        carList.add(goodsIsli);
+        carList.add("010007-00000000348099999999-6");
+        //
+        Map itmap =new HashMap();
+        itmap.put("user_isli",user);
+        itmap.put("data",carList);
+        //
+        JSONObject oujson =new JSONObject(itmap);
+        System.out.println(oujson.toJSONString());
+    }
+
+    @Test
+    public void cartest2(){
+        String orstr ="{\"data\":[\"010007-00000000348099999999-3\",\"010007-00000000348099999999-6\"],\"user_isli\":\"899998-000000001640-3\"}\n";
+        JSONObject orjson = JSONObject.parseObject(orstr);
+        JSONArray jsonArray = orjson.getJSONArray("data");
+        //jsonArray.toJavaList(String.class);
+        for(int a=0;a<jsonArray.size();a++){
+            System.out.println(jsonArray.get(a));
+        }
+    }
 }