步进器步长为0的话改为1

packageA/activity/selectProduct/cart/index.wxml

@@ -31,7 +31,7 @@
 				<view class="check label-class">
 					起订量:{{item.orderminqty}}，增减量:{{item.orderaddqty}}
 				</view>
-				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty}}" input-class='input-class' data-index="{{index}}" bind:minus='stepperChange' bind:plus='stepperChange' bind:blur='inputBlur' />
+				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty||1}}" input-class='input-class' data-index="{{index}}" bind:minus='stepperChange' bind:plus='stepperChange' bind:blur='inputBlur' />
 			</view>
 		</view>
 		<view slot="right" class="cell-right">删 除</view>

packageA/activity/selectProduct/index.wxml

@@ -33,7 +33,7 @@
 						起订量:{{item.orderminqty}}，增减量:{{item.orderaddqty}}
 					</view>
 				</view>
-				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" max="{{item.maxQty||'99999999'}}" disabled="{{item.groupqty!=0 && item.maxQty<=0}}" step="{{item.orderaddqty}}" input-class='input-class' data-index="{{index}}" data-iscatch="catch" catch:minus='stepperChange' catch:plus='stepperChange' catch:blur='inputBlur' />
+				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" max="{{item.maxQty||'99999999'}}" disabled="{{item.groupqty!=0 && item.maxQty<=0}}" step="{{item.orderaddqty||1}}" input-class='input-class' data-index="{{index}}" data-iscatch="catch" catch:minus='stepperChange' catch:plus='stepperChange' catch:blur='inputBlur' />
 			</view>
 	</navigator>
 	<view style="height: 100rpx;" />

pages/index/collect/index.wxml

@@ -30,7 +30,7 @@
 				<view class="check label-class">
 					起订量:{{item.orderminqty}}，增减量:{{item.orderaddqty}}
 				</view>
-				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty}}" input-class='input-class' data-index="{{index}}" bind:minus='stepperChange' bind:plus='stepperChange' bind:blur='inputBlur' />
+				<van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty||1}}" input-class='input-class' data-index="{{index}}" bind:minus='stepperChange' bind:plus='stepperChange' bind:blur='inputBlur' />
 			</view>
 		</view>
 		<view slot="right" class="cell-right">删 除</view>

select/product/index.wxml

@@ -48,7 +48,7 @@
                     起订量:{{item.orderminqty}}，增减量:{{item.orderaddqty}}，包装量:{{item.packageqty}}
                 </view>
             </view>
-            <van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty}}" input-class='input-class' data-index="{{index}}" data-iscatch="catch" catch:minus='stepperChange' catch:plus='stepperChange' catch:blur='inputBlur' />
+            <van-stepper value="{{ item.qty }}" min="{{item.orderminqty}}" step="{{item.orderaddqty||1}}" input-class='input-class' data-index="{{index}}" data-iscatch="catch" catch:minus='stepperChange' catch:plus='stepperChange' catch:blur='inputBlur' />
         </view>
     </view>
     <view wx:if="{{!radio}}" style="height: 130rpx;" />