调整优惠券部分

components/discountCoupon/index.js

@@ -25,9 +25,6 @@ Component({
    * 组件的方法列表
    */
   methods: {
-    handleUse() {
-      alertInfo("敬请期待")
-    },
     handleChange() {
       const { data } = this.data;
       const that = this;
@@ -42,6 +39,18 @@ Component({
         alertSuccess("兑换成功")
         this.triggerEvent("change", { id, type: 2 })
       })
+    },
+    handleUseIt() {
+      alertInfo("敬请期待")
+    },
+    async handleUse(e) {
+      const { data } = this.data;
+      const { code, message } = await redeemCoupons({ id: data.id, type: 2 })
+      if (code !== OK) {
+        alertInfo(message)
+        return;
+      }
+      this.triggerEvent("get", { id, type: 1 })
     }
   }
 })

components/discountCoupon/index.wxml

@@ -32,6 +32,7 @@
         <view class="right">
             <van-button wx:if="{{type === 1}}" type="info" size="small" bind:tap="handleUse">去领取</van-button>
             <van-button wx:if="{{type === 2}}" type="info" size="small" bind:tap="handleChange">去兑换</van-button>
+            <van-button wx:if="{{type === 3}}" type="info" size="small" bind:tap="handleUseIt">去使用</van-button>
         </view>
     </view>
 </view>