核销处理状态判断

pages/pay/coupon-detail/coupon-detail.js

@@ -117,13 +117,21 @@ Page({
                 volumeId: that.data.couponDetail.volumeId,
             },
             success: function(res) {
-                wx.lin.showToast({
-                    image: '/image/success.png',
-                    title: '核销成功',
-                })
-                setTimeout(()=>{
-                    wx.navigateBack()
-                },2000);
+                if (res.data.code * 1 == 200) {
+                    wx.lin.showToast({
+                        image: '/image/success.png',
+                        title: '核销成功',
+                    })
+                    setTimeout(()=>{
+                        wx.navigateBack()
+                    },2000); 
+                } else {
+                    wx.lin.showToast({
+                        image: '/image/error.png',
+                        title: res.data.msg,
+                    })
+                }
+                
             },
             fail: function(err) {
                 wx.lin.showToast({