fix修改购物车行为

泉州测试
1 parent c4d1d430
Showing 1 changed file with 29 additions and 19 deletions
packageA/pages/goodsInfo/goodsInfo.js
@@ -847,6 +847,12 @@ Page({
         return false;
     };
+		// 库存
+		var redisNums = 0;
+		// 限购数
+		var limitNum = 0;
+		// 已购买数量
+		var boughtNum = 0;
 		// 秒杀活动
 		if(this.data.prom_type == 1) {
@@ -859,6 +865,7 @@ Page({
 				// 如果数量为0，设置和显示已抢光
 				// 否则，进一步判断是否超出限购或超出库存
 				await this.getactLen().then(async function(res) {
+					redisNums = res;
 					let curNum = th.data.goodsInputNum;
 					// res: redis可购买数量
 					console.log('当前可以购买的数量:', res);
@@ -883,7 +890,9 @@ Page({
 							let promcardbuynum = data.data.data.promcardbuynum;
 							let buyedNum = promcardbuynum; // 自己已经购买的数量b
 							let canBuyNum = limited - buyedNum; // 自己还可购买的数量c
-							
+							limitNum = limited;
+							boughtNum = buyedNum;
+
 							if(canBuyNum <= 0) {
 								canBuyNum = 0;
 							};
@@ -925,18 +934,6 @@ Page({
 		};
-		
-		
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-		
-		
 	if(action=="buy"){
@@ -965,9 +962,6 @@ Page({
 		// console.log('newd++++++++', newd);
 		th.buyNow(newd);
 	} else {
-		    
-		
-			 
         var newd = {
             service_id: th.data.data.id,
@@ -1008,10 +1002,26 @@ Page({
                 //-------如果购物车中有相关的数据---------
                 if (re.data.data.total > 0) {
-                    var item = re.data.data.pageData[0];
+										var item = re.data.data.pageData[0];
+										var totalNum = th.data.goodsInputNum + item.goods_num;
+										if (th.data.prom_type == 1 && !th.data.is_normal) {
+											var snum = limitNum - boughtNum;
+
+											if (totalNum >= redisNums){
+												if (redisNums > snum) {
+													totalNum = snum;
+												} else {
+													totalNum = redisNums;
+												}
+											} else {
+												if (totalNum > snum)
+														totalNum = snum;
+												}
+										}
+
                     var updata = {
                         id: item.id,
-                        goods_num: th.data.goodsInputNum + item.goods_num,
+                        goods_num: totalNum,
                         money: th.data.data.shop_price,
                         store_id: os.stoid,
                     };
@@ -1038,7 +1048,7 @@ Page({
                             getApp().my_warnning('加入购物车成功', 1, th, 450);
                             var c_num = th.data.cartGoodsNum + th.data.goodsInputNum;
                             th.setData({
-                                cartGoodsNum: c_num
+                                cartGoodsNum: totalNum
                             });
                             th.closeSpecModal();
                         }