添加商品来源from_id;0其他，2微把，3够吧

js/details.js

@@ -256,6 +256,7 @@ mui.plusReady(function() {
 	var isMiaosha = self.isMiaosha;
 	var MiaoshaSaleSpec = self.MiaoshaSaleSpec;
 	var specsId = '';
+	from_id = self.from_id?self.from_id:0
 //	//console.log(isMiaosha)
 	//	isMiaosha = 1;
 	//	MiaoshaSaleSpec = '0';
@@ -662,8 +663,8 @@ mui.plusReady(function() {
 				goodsType:goodsType,
 				goodsId: goodsId,
 				buyNum: buyNum,
-				goodsSpecId: goodsSpecId
-
+				goodsSpecId: goodsSpecId,
+				from: from_id
 			},
 			dataType: 'json', //服务器返回json格式数据  
 			type: 'post', //HTTP请求类型  
@@ -686,7 +687,7 @@ mui.plusReady(function() {
 							},
 							extras: {
 								//						goodsId: goodsId
-
+								from: from_id,
 								type: 1
 
 								//					..... //自定义扩展参数，可以用来处理页面间传值