Fix：3416 【礼品功能】送礼页面手动删除数量后，该数量框显示空白，删除数量后，默认为1

components/ProductWindow.vue

@@ -51,7 +51,7 @@
             type="number"
             :min="1"
             :max="attrObj.productSelect.stock"
-            @input="inputNumer"
+            @blur="inputNumer(cartNumber)"
             v-model="cartNumber" 
             style="height: 55rpx !important; width:80rpx !important"
             class="item v12-font-36 v12-font-bold v12-dark-text cart-btn" />
@@ -139,16 +139,8 @@ export default {
     },
     cartNumber(val) {
       console.log(+val <= 1 || val === '', 'cartNumber');
-      if(+val <= 1 || val === '') {
-        this.cartNumber = 1
-        this.$forceUpdate()
-        this.$emit('input', 1)
-        this.$emit("changeFun", { action: "ChangeCartNum", value: 1 })
-        return
-      } else {
-        this.$emit('input', +val)
-        this.$emit("changeFun", { action: "ChangeCartNum", value: +val })
-      }
+      this.$emit('input', +val)
+      this.$emit("changeFun", { action: "ChangeCartNum", value: +val })
     }
   },
   created() {
@@ -157,7 +149,11 @@ export default {
   },
   methods: {
     inputNumer(e) {
-      
+      console.log(e);
+      if(e === '') {
+        this.cartNumber = 1
+        this.$forceUpdate()
+      }
     },
     reRender(data) {
       this.$set(this, 'attrObj', JSON.parse(JSON.stringify(data)))