Vuex的使用样例

样例

<template>
  <div class="hello">

    <p>{{ count }}</p>
    <p>
      <button @click="increment">+</button>
      <button @click="decrement">-</button>
    </p>

  </div>

</template>

<script>
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.count--
  }
})

export default {
  computed: {
    count () {
      return store.state.count
    }
  },
  methods: {
    increment () {
      store.commit('increment')
    },
    decrement () {
      store.commit('decrement')
    }
  }
}

</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1, h2 {
  font-weight: normal;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>