bugfixed

pages/scan/scan.js

@@ -82,6 +82,8 @@ Page({
             scanDialogDisplay: res.data.discCouponState,
             totalDisc:res.data. discCouponPrice
           });
+
+          if (res.data.discCouponState == 1) {
             var speechContent = "请扫描优惠券码";
             my.ix.speech({
               text: speechContent,
@@ -92,6 +94,8 @@ Page({
           }
            
         }
+
+      }
     });
   },
 
@@ -116,18 +120,36 @@ Page({
     setTimeout(() => {
       
       let totalDiscTemp = this.data.totalDisc + Math.round(Math.random() * 4) + 1;
-      let context = this;
+      //超额
+      if(totalDiscTemp > this.data.totalPrice){
+        let req = {}
+        req.discCouponErrMsg = "超额优惠券"
+        req.discCouponState = 4;
+        this.useCouponCallback(ACTION_USE_COUPON, req)
+        return
+      }
+      
       let req = {}
       req.discCouponPrice =  totalDiscTemp;
       req.discCouponState = 3;
-      var commonRequest = {
-        action: ACTION_USE_COUPON,
-        data: req
-      };
+      this.useCouponCallback(ACTION_USE_COUPON,req)
+
+    }, 700);
+  },
+
+   //用券回调
+   useCouponCallback(action, result) {
+     let context = this;
     my.ix.sendBuddyMessage({
       target: getApp().globalData.backScreenAppId,
-        data: commonRequest,
+      data: {
+        action: action,
+        data: result
+      },
       success: (res) => {
+        console.info(`sendBuddyMessage success: ${JSON.stringify(res)}`);
+        //用券成功
+        if(result.discCouponState == 3){
           //模拟数据 1 - 5 随机整数
           context.setData({ scanDialogDisplay: 0, totalDisc: totalDiscTemp })
           my.showToast({
@@ -138,15 +160,16 @@ Page({
 
             },
           });
-          console.log("用券成功到后屏小程序成功 ===》" + JSON.stringify(res));
+          //用券失败
+        }else if(result.discCouponState == 4){
+          context.setData({ scanDialogDisplay: 4 })
+        }
       },
       fail: (res) => {
-          console.log("用券成功后屏小程序 失败 ===》 " + JSON.stringify(res));
-          //发送失败重试
-          context.sendGoodInfoToBack();
+        console.info(`sendBuddyMessage failed: ${JSON.stringify(res)}`);
+        context.useCouponCallback(action,result)
       }
-      })  
-    }, 700);
+    });
   },
 
   //获取商品信息