Update addSellerProduct.md

+## 1、新增基础商品##
+
+新增基础商品（/SellerProductController/addProduct)
+
+#### 请求参数
+| 参数名称 | 参数类型 |  可否为空 | 示例 | 备注 | 
+|:-------| -----:|-----:|-----:|----:| 
+|productName|string|是|商品名称||
+|brandId|int|是|22|品牌的ID号|
+|maxSortId|int|否|1|1 日 2 周 3 月|
+|reqTime|string|是|20150306|日报 月报 日期|
+|beginTime|string|是|20150306|周报：开始日期|
+|endTime|string|是|20150308|周报：结束日期|
+|productSkn|int|是|1222|skn|
+|productSkc|int|是|1222|skc|
+|productSku|int|是|1222|sku|
+|factoryCode|string|是|234234|出厂编号|
+|sortId|int|是|12|产品分类 |
+|shopId|int|否|17|是|店铺ID |
+
+注意，通用的头部没有列出。  
+请求示例
+http://127.0.0.1:8088/platform/SellerProductController/addProduct
+
+## 请求样例数据
+``` json
+请求样例：
+{"productName":"商品名", "brandId":4, "maxSortId":12, "middleSortId" : 144, "smallSortId":145 , "gender" : "1", "retailPrice":"44.44", "salesPrice": "33.33",
+	"goodsYears":2019, "goodsSeason":1, "factoryCode":"厂家编号", "ageLevel":"1|2", "seasons":"1", "sellerGoodsInfoStr" : "[{\"factoryCode\":\"123123123\",\"factoryGoodsName\":\"蓝色1111\",\"goodsColorImage\":\"\",\"goodsName\":\"蓝色\",\"colorId\":36,\"goodsSizeList\":[{\"sizeId\":\"203\",\"factoryCode\":\"12dad%%\",\"isSuppled\":\"Y\",\"upmCode\":\"\",\"balanceTimeStr\":\"\",\"salePrice\":\"33.33\",\"sizeName\":\"M\"},{\"sizeId\":\"207\",\"factoryCode\":\"adasd%%\",\"isSuppled\":\"N\",\"upmCode\":\"\",\"balanceTimeStr\":\"\",\"salePrice\":\"33.33\",\"sizeName\":\"S\"}],\"isNew\":\"Y\",\"isAdd\":true,\"_num\":0,\"__index\":0},{\"factoryCode\":\"aas23123\",\"factoryGoodsName\":\"蓝色3333\",\"goodsColorImage\":\"\",\"goodsName\":\"蓝色\",\"colorId\":33,\"goodsSizeList\":[{\"sizeId\":\"207\",\"factoryCode\":\"asdasd$$\",\"isSuppled\":\"Y\",\"upmCode\":\"\",\"balanceTimeStr\":\"\",\"salePrice\":\"33.33\",\"sizeName\":\"S\"},{\"sizeId\":\"203\",\"factoryCode\":\"##sdasd\",\"isSuppled\":\"Y\",\"upmCode\":\"\",\"balanceTimeStr\":\"\",\"salePrice\":\"33.33\",\"sizeName\":\"M\"}],\"isNew\":\"Y\",\"isAdd\":true,\"_num\":1,\"__index\":1}]"
+}
+正常返回：
+{
+    "code": 200,
+    "data": [],
+    "md5": "d751713988987e9331980363e24189ce",
+    "message": "添加成功"
+}
+异常返回：
+{
+    "code": 1001,
+    "data": ["错误一", "错误二"],
+    "md5": "d751713988987e9331980363e24189ce",
+    "message": "参数校验错误"
+}
+
+```