优惠券bugfix

pages/scan/scan.js

@@ -70,7 +70,7 @@ Page({
           my.reLaunch({
             url: "/pages/home/home",
           });
-        }else if (res.action == ACTION_CONVERT_COUPON) {
+        }else if (res.action == ACTION_USE_COUPON) {
           //优惠券 
           context.setData({
             scanDialogDisplay: res.data.discCouponState,

utils/scan.js

@@ -15,6 +15,10 @@ export default class scan {
                   isScaning = true
                   code = (r.keyCode - 7) + ''
                   setTimeout(() => {
+                    //兼容扫描枪  
+                    if(code.endsWith("5913")){
+                       code = code.substring(0,code.length - 4)
+                    }
                     cur.onKeyPress.call(cur, code);
                     isScaning = false
                   }, 700);