gouwch

src/main/java/cn/chjyj/szwh/utils/SzCarUtils.java

@@ -0,0 +1,39 @@
+package cn.chjyj.szwh.utils;
+
+import com.alibaba.fastjson2.JSONArray;
+import com.alibaba.fastjson2.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 购物车操作
+ */
+public class SzCarUtils {
+    /**
+     * add goods to shop car
+     * @param carkey
+     * @param ugmap goods_isli and user_isli map
+     * @return
+     */
+    public static JSONObject addCart(String carkey,String userIsli, Map ugmap){
+        // get shopping car from redis
+        Object shopCar = RedisUtil.get(carkey);
+        JSONObject shopCarJson = JSONObject.parseObject(shopCar.toString());
+        JSONArray jsonArray = shopCarJson.getJSONArray("data");
+        // good list
+        List<JSONObject> carlist =new ArrayList<>();
+        if(jsonArray.size()>0){
+            for (int i=0;i<jsonArray.size();i++){
+                carlist.add(jsonArray.getJSONObject(i));
+            }
+        }else{
+            carlist.add(new JSONObject(ugmap));
+        }
+        JSONObject outjson = new JSONObject();
+        outjson.put("user_isli",userIsli);
+        outjson.put("data",carlist);
+        return outjson;
+    }
+}