购物车数据结构

@@ -767,4 +767,111 @@
             price: '',
             discount: ''
         }
+    }
+
+
+## 购物车
+
+    {
+        shoppingCart: {
+            cartNav: true, //显示预售和普通switch导航
+            commonGoodsCount: 2,
+            presellGoodsCount: 2, //普通商品和预售商品数目，显示在导航中
+            showLoginInfo: true, //是否显示登录提示
+            commonCart: {
+                goods: [
+                    //购物车商品（见下）,
+                    ...
+                ],
+                freebieOrAdvanceBuy: true, //是否显示赠品和加价购
+                freebie: {
+                    url: '',
+                    count: 2
+                },
+                advanceBuy: {
+                    url: '',
+                    count: 1
+                },
+                price: 322,
+                activityPrice: 223, //活动价
+                count: 8,
+                sumPrice: 400
+            },
+            preSellCart: {
+                //同普通购物车
+                ...
+            }
+        }
+    }
+
+### 选择尺码、数目、颜色面板
+
+    {
+        thumb: '',
+        name: '',
+        price: '',
+        salePrice: '',
+        colors: [
+            {
+                id: 1,
+                chosed: true,
+                name: '黄色'
+            },
+            ...
+        ],
+        sizes: [
+            {
+                id: 2,
+                chosed: true,
+                name: 'X'
+            },
+            ...
+        ],
+        num: 2
+    }
+
+### 购物车商品
+
+    {
+        id: 1,
+        thumb: '',
+        name: '',
+        color: '黄色',
+        size: 'L',
+        appearDate: '12月', //上市期
+        price: 200,
+        count: 2,
+        soldOut: true, //售罄
+        lowStocks: true, //库存不足
+    }
+
+### 赠品和加价购
+
+    {
+        shoppingCart: {
+            gift: [
+                //赠品（见下）
+            ],
+            //or
+            advance: [
+                {
+                    title: '',
+                    goods: [
+                        //加价购商品（见下）
+                    ]
+                }
+            ]
+        }
+    }
+
+### 赠品和加价购商品
+
+    {
+        id: 1,
+        thumb: '',
+        name: '',
+        color: '黄色',
+        size: 'L', //颜色和尺寸需要显示就传，不显示不传
+        price: 562,
+        count: 3
     }
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