优惠
couponPage
Buy
init Vuex
Boy Button
couponState
query Price
op coupon (router Child)
WXPay AND ALPay
location == /buy/coupon/$router.go(-1)setTimeout(()={$router.go(0)})
Car
金额
服务器
query price
UPDATDcoupon
Op coupon
VUEX
relsetcoupon
实付
sub PriceAdd coupon then Price
price = coupon Price
price Update
同步优惠券数据
实付0,先提示(TODO)
OP doen
this.$store.commit(\"UPDATE\
reload
list