优惠券购买页过期优惠券不可购买限制

@@ -20,6 +20,7 @@ Page({
         num: 1,
         totalize: '',
         sellername:'',
+		dataStr: Date.now() * 1 / 1000,
     },
 
     /**
@@ -144,6 +145,14 @@ Page({
     },
     // 提交订单
     submitOrder() {
+        if(this.data.dataStr>(this.data.detail.etime*1)){
+            return wx.showToast({
+                title:'优惠券已过期，不可购买！',
+                duration:2000,
+                mask:true,
+                icon:'none'
+            })
+        }
         if(this.data.num && !/(^[1-9]\d*$)/.test(this.data.num)){
             return wx.showToast({
                 title:'请输入正确的购买数量',

@@ -98,6 +98,8 @@
 	<view class="content font24r">
 		总计：<text>￥{{totalize}}</text>元
 	</view>
-	<button class="font32r {{(detail.grant_last=='0' || (this.data.detail.grant_last && (detail.grant_last*1)<(num*1)))?'btns btnsDisabled':'btns'}}" bindtap="submitOrder">提交订单
+	<button 
+		class="font32r {{(dataStr>(detail.etime*1) || detail.grant_last=='0' || (this.data.detail.grant_last && (detail.grant_last*1)<(num*1)))?'btns btnsDisabled':'btns'}}" 
+		bindtap="submitOrder">提交订单
 	</button>
 </view>
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