vue2--vue3
https://vue3.chengpeiquan.com/guide.html#%E5%8E%9F%E5%A7%8B%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B
vue3
https://vuex.vuejs.org/zh/guide/
axios
http://www.axios-js.com/zh-cn/docs/index.html#axios-create-config
vant
https://youzan.github.io/vant/#/zh-CN/toast
vuex
https://vuex.vuejs.org/zh/guide/
vue-router
https://router.vuejs.org/zh/guide/essentials/dynamic-matching.html
ES6
https://es6.ruanyifeng.com/#docs/intro