qq_44897151的博客

先来个极简版本的按钮计数器如官网所述，状态更改方法写在store里import Vue from "vue";import Vuex from "vuex";Vue.use(Vuex);const store= new Vuex.Store({ state: { count:0 }, mutations: { increment(state){ state.count++ }, decrement(state){ state.