卡券购买数量限制

src/pagesB/directCharge/coupon.vue

@@ -17,7 +17,7 @@
             <div class="card">
                 <div class="li flex_r flex_jb">
                     <span>购买数量</span>
-                    <numbox v-model="count" :min="1" @change="countchange" />
+                    <numbox v-model="count" :min="1" :max.sync="stock_num" @change="countchange" />
                 </div>
             </div>
             <div class="money card">
@@ -66,6 +66,7 @@ export default {
             deduction: 0,
             actuallypaid: 0,
             chabao: 0,
+            stock_num: 1,
         };
     },
     methods: {
@@ -96,6 +97,7 @@ export default {
             da[key].checked = true;
             this.selectitem = da[key];
             this.egralf();
+            this.getproductInfo(da[key].product_no);
         },
         egralf() {
             let i1 = this.egral.integral,
@@ -130,6 +132,14 @@ export default {
                 }
             })
         },
+        // 获取产品详情
+        getproductInfo(va){
+            post("local/coupon/productInfo", { product_no: va, type: 0 }).then(res => {
+                if (res.code == 0 && res.data.code == 200) {
+                    this.stock_num = res.data.data.stock_num;
+                }
+            })
+        }
     },
     created() {
         this.getIntegral();
@@ -145,6 +155,9 @@ export default {
 };
 </script>
 <style scoped lang='scss'>
+.discountCoupon{
+    padding-bottom: 130rpx;
+}
 .products {
     background-color: #fff;
     padding: 0 30rpx 28rpx;