feat(tenpayv3): 新增服务商扫码支付下单接口

test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/_Partner/PayTransactions/CreatePayPartnerTransactionScannedPosRequest.json

@@ -0,0 +1,45 @@
+{
+    "sp_appid": "wx8888888888888888",
+    "sp_mchid": "1230000109",
+    "sub_appid": "wxd678efh567hg6999",
+    "sub_mchid": "1900000109",
+    "description": "Image形象店-深圳腾大-QQ公仔",
+    "out_trade_no": "1217752501201407033233368018",
+    "time_expire": "2018-06-08T10:34:56+08:00",
+    "attach": "自定义数据",
+    "notify_url": " https://www.weixin.qq.com/wxpay/pay.php",
+    "goods_tag": "WXG",
+    "support_fapiao": true,
+    "amount": {
+        "total": 888,
+        "currency": "CNY"
+    },
+    "payer": {
+        "sp_openid": "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o\t",
+        "sub_openid": "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o\t"
+    },
+    "detail": {
+        "cost_price": 1,
+        "invoice_id": "wx123",
+        "goods_detail": [
+            {
+                "merchant_goods_id": "由半角的大小写字母、数字、中划线、下划线中的一 种或几种组成 ",
+                "wechatpay_goods_id": "微信支付定义的统一商品编号（没有可不传）",
+                "goods_name": "iPhone6s 16G",
+                "quantity": 1,
+                "unit_price": 528800
+            }
+        ]
+    },
+    "scene_info": {
+        "payer_client_ip": "14.23.150.211",
+        "device_id": "013467007045764",
+        "store_info": {
+            "id": "0001",
+            "out_id": "example_out_id"
+        }
+    },
+    "settle_info": {
+        "profit_sharing": false
+    }
+}

test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/_Partner/PayTransactions/CreatePayPartnerTransactionScannedPosResponse.json

@@ -0,0 +1,3 @@
+{
+    "prepay_id": "wx201410272009395522657a690389285100"
+}