优惠券加字段 剩余数量

@@ -97,7 +97,7 @@ Page({
     },
     // 提交订单
     submitOrder() {
-        if(this.data.detail.grant_num==this.data.num || this.data.detail.grant_num=='0'){
+        if(this.data.detail.grant_num=='0'){
             return wx.showToast({
                 title:'您来晚了，当前优惠券已经售罄，请与商家联系！',
                 duration:2000,
@@ -105,6 +105,14 @@ Page({
                 icon:'none'
             })
         }
+        if((this.data.detail.grant_num*1)<(this.data.num*1)){
+            return wx.showToast({
+                title:'优惠券剩余数量不足！',
+                duration:2000,
+                mask:true,
+                icon:'none'
+            })
+        }
         if(this.data.num=='0'){
             return wx.showToast({
                 title:'最少需要购买一个！',

@@ -77,11 +77,11 @@
 <view class="fixed_box">
 	<view class="shoppingCart_img">
 		<image src="https://qn.colorcun.com/WechatIMG711.png" mode="" />
-		<view wx:if="{{num}}">{{num}}</view>
+		<view wx:if="{{num && num!='0'}}">{{num}}</view>
 	</view>
 	<view class="content font24r">
 		总计：<text>￥{{totalize}}</text>元
 	</view>
-	<button class="font32r {{detail.grant_num=='0' || detail.grant_num==num?'btns btnsDisabled':'btns'}}" bindtap="submitOrder">提交订单
+	<button class="font32r {{detail.grant_num=='0' || (detail.grant_num*1)<(num*1)?'btns btnsDisabled':'btns'}}" bindtap="submitOrder">提交订单
 	</button>
 </view>
\ No newline at end of file

@@ -116,6 +116,7 @@ page {
 	display: flex;
 	align-items: center;
 	justify-content: center;
+	font-size: 24rpx;
 }
 
 .content {