增加接口

@@ -5,9 +5,255 @@
 | 接口名称 | 接口描述 |
 |----------|----------|
 | [app.change.submit](#1) | 提交换货申请 |
-| [app.change.detail](#2) | 换货详情     |
-| [app.change.setexpress](#3) | 设置物流信息 |
-| [app.change.getDelivery](#4) | 加载商品返回方式列表 |
-| [app.change.goodsList](#5) | 订单可换货商品列表 |
+| [app.change.setexpress](#2) | 设置物流信息 |
+| [app.change.getDelivery](#3) | 加载用户可选择退货方式列表 |
+| [app.change.goodsList](#4) | 订单可换货商品列表 |
+| [app.change.detail](#5) | 换货详情     |
 
+## 接口描述
 
+### 1、提交换货申请
+
+### 入参
+
+```json
+{
+    "uid":"8041520",
+    "order_code":"160177031",
+    "area_code":"150202",
+    "consignee_name":"测试三测试",
+    "address":"这里是详细地里是详细地",
+    "mobile":"18260001111",
+    "zip_code":"334455",
+    "delivery_tpye":"10",
+    "receipt_time":"",
+    "goods":[{
+        "product_skn":"51164694",
+        "product_skc":"292788",
+        "product_sku":"926307",
+        "goods_type":"1",
+        "last_price":"149.00",
+        "exchange_reason":"11",
+        "new_goods_id":"376673",
+        "new_product_sku":"926306"
+    }]
+}
+```
+
+### 返回
+
+```json
+
+```
+
+### 3. 加载用户可选择退货方式列表
+
+| Param Name | Param Type | Required | Param Value | Desc  |
+| :--        | --:        | --:      | --:         | --:   |
+| method     | string     | true     | app.change.getDelivery | 请求方法 不可变 |
+| area_code  | string     | true     | 210000  | 地区信息 |
+| uid        | int        | true     | 3703860 | 用户 ID  |
+
+#### 返回 
+
+```json
+{
+  "alg": "SALT_MD5",
+  "code": 200,
+  "data": [
+    {
+      "id": 10,
+      "is_default": "Y",
+      "name": "寄回换货"
+    },
+    {
+      "id": 20,
+      "is_default": "N",
+      "name": "上门换货(白金会员专享服务)"
+    }
+  ],
+  "md5": "0555567ba54421187652e086524e6daf",
+  "message": "change type"
+}
+```
+### 4.订单可换货商品列表
+
+| Param Name | Param Type | Required | Param Value | Desc  |
+| :--        | --:        | --:      | --:         | --:   |
+| method     | string     | true     | app.change.goodsList | 请求方法 不可变 |
+| order_code | string     | true     | 16051520 | 订单号  |
+| uid        | int        | true     | 5986981  | 用户 ID  |
+
+#### 返回
+
+```json
+{
+  "address": {
+    "address": "2",
+    "address_id": 0,
+    "area": "北京市 北京市 东城区",
+    "area_code": "110101",
+    "consignee": "啊六00",
+    "mobile": "13000000000",
+    "zip_code": "0"
+  },
+  "exchange_reason": [
+    {
+      "id": 3,
+      "name": "不喜欢"
+    },
+    {
+      "id": 2,
+      "name": "性价比不高"
+    },
+    {
+      "id": 11,
+      "name": "价格变化"
+    },
+    {
+      "id": 4,
+      "name": "质量瑕疵"
+    },
+    {
+      "id": 1,
+      "name": "尺寸不合适"
+    },
+    {
+      "id": 7,
+      "name": "商品有色差"
+    },
+    {
+      "id": 8,
+      "name": "图片与实物不符"
+    },
+    {
+      "id": 6,
+      "name": "发错货"
+    },
+    {
+      "id": 5,
+      "name": "快递延迟"
+    }
+  ],
+  "goods_list": [
+    {
+      "changeNum": 3,
+      "colorId": 2,
+      "color_name": "黑色",
+      "erpSkuId": 834063,
+      "goodsPrice": 139,
+      "goods_id": 314411,
+      "goods_image": "http://img11.static.yhbimg.com/goodsimg...",
+      "goods_type": "ordinary",
+      "goods_type_id": 1,
+      "hasShoes": 0,
+      "isChangeFlag": 1,
+      "last_price": "139.00",
+      "num": 3,
+      "orderId": 5531831,
+      "productSkc": 258548,
+      "productSkn": 51134695,
+      "productSku": 834063,
+      "product_id": 239715,
+      "product_name": "CLOTtee camouflage Printing Coat Tech Jacket",
+      "product_skc": "258548",
+      "product_skn": "51134695",
+      "product_sku": "834063",
+      "sales_price": 139,
+      "size_name": "M"
+    }
+  ]
+}
+```
+
+### 5. 换货详情
+
+| Param Name | Param Type | Required | Param Value | Desc  |
+| :--        | --:        | --:      | --:         | --:   |
+| method     | string     | true     | app.change.detail | 请求方法 不可变 |
+| area_code  | string     | true     | 210000  | 地区信息 |
+| uid        | int        | true     | 3703860 | 用户 ID  |
+
+#### 返回
+
+```json
+{
+  "alg": "SALT_MD5",
+  "code": 200,
+  "data": {
+    "address": "金兴路10号长安花园1层警卫室",
+    "city": "北京市",
+    "consignee_name": "曹苒",
+    "county": "朝阳区",
+    "create_time": "2013-09-01 08:02:41",
+    "delivery_tpye": "20",
+    "delivery_tpye_name": "上门换货",
+    "goods_list": [
+      {
+        "color_name": "白",
+        "evidence_images": [],
+        "goods_image": "http://img11.static.yhbimg.com/goodsimg/2013/08/...",
+        "goods_type": "ordinary",
+        "goods_type_id": 1,
+        "id": 1,
+        "new_color_name": "白",
+        "new_product_skc": "109629",
+        "new_product_skn": "51019282",
+        "new_product_sku": "382155",
+        "new_size_name": "37码",
+        "product_name": "Onitsuka Tiger经典中帮休闲鞋 MEXICO 66 MIDRUNNER ",
+        "product_skc": "109629",
+        "product_skn": "51019282",
+        "product_sku": "382156",
+        "reason": "1",
+        "reason_name": "尺寸不合适",
+        "remark": "尺寸不合适",
+        "sales_price": "0.00",
+        "size_name": "38码",
+        "src_goods_id": 72525,
+        "src_product_id": 47953
+      }
+    ],
+    "mobile": "13521322804",
+    "notice": {
+      "id": 40,
+      "remark": "请您耐心等待换货商品发出，客服电话：400-889-9646",
+      "title": "您寄回的商品已收到"
+    },
+    "order_code": "309557854",
+    "province": "北京市",
+    "source_order_code": 308550118,
+    "status": 40,
+    "statusList": [
+      {
+        "act": "Y",
+        "key": 0,
+        "name": "提交申请"
+      },
+      {
+        "act": "Y",
+        "key": 10,
+        "name": "审核通过"
+      },
+      {
+        "act": "Y",
+        "key": 20,
+        "name": "上门取货"
+      },
+      {
+        "act": "Y",
+        "key": 30,
+        "name": "商品入库"
+      },
+      {
+        "act": "N",
+        "key": 50,
+        "name": "换货完成"
+      }
+    ],
+    "status_name": "换货发出"
+  },
+  "md5": "e49188e6fb7b0c9e626e14ddf8a158d3",
+  "message": "换货详情"
+}
+```