[fix]购物车下单，检查是否有数量

pages/views/order/orderDetails.vue

@@ -109,21 +109,19 @@
         {{ goods.createTime }}
       </view>
     </view>
-	<view class="tips margin0" v-if="goods.dispacherRemark || goods.financeRemark || goods.materialRemark">
+	<view class="tips margin0" v-if="goods.state == 5 && (goods.financeRemark ||goods.materialRemark || goods.dispacherRemark)">
 	  <view class="tips_name">退单原因</view>
 	  <view class="textarea_box"  v-if="goods.materialRemark">
 	    <textarea disabled="true" placeholder-class="font-size: 24upx" maxlength="-1" 
 			  v-model="goods.materialRemark">
-			
 		</textarea>
 	  </view>
-	  <view class="textarea_box"  v-if="goods.dispacherRemark">
+	  <view class="textarea_box"  v-else-if="goods.dispacherRemark">
 	    <textarea disabled="true" placeholder-class="font-size: 24upx" maxlength="-1" 
 			  v-model="goods.dispacherRemark">
-			
 		</textarea>
 	  </view>
-	  <view class="textarea_box"  v-if="goods.financeRemark">
+	  <view class="textarea_box"  v-else-if="goods.financeRemark">
 	    <textarea disabled="true" placeholder-class="font-size: 24upx" maxlength="-1" 
 	  			  v-model="goods.financeRemark">
 	  		</textarea>

pages/views/tabBar/cart.vue

@@ -384,6 +384,7 @@
 			},
 			settlement() { //结算
 				if (this.sum == 0) {
+					this.$toast('您还没选择商品')
 					return
 				}