Vuex模块：模块不开启命名空间

模块不开启命名空间时，会共享全局命名空间。

{
    state:{
        '模块1':'局部状态1',
        '模块2':'局部状态2'
    },
    mutations:['局部变化1','局部变化2'],
    actions:['局部动作1','局部动作2']
}

一 项目结构

二 main.js

import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import store from "./store/index";

Vue.config.productionTip = false;

new Vue({
  router,
  store,
  render: h => h(App)
}).$mount("#app");

三 index.js

import Vue from "vue";
import Vuex from "vuex";
import cat from "./modules/cat";
import dog from "./modules/dog";

Vue.use(Vuex);

export default new Vuex.Store({
  modules: { cat, dog }
});

四 cat.js

export default {
  // 局部状态
  state: {
    name: "蓝白英短",
    age: 1
  },
  // 局部变化
  mutations: {
    increment(state, payload) {
      state.age += payload.num;
    }
  },
  // 局部动作
  actions: {
    grow(state, payload) {
      setTimeout(() => {
        state.commit("increment", payload);
      }, 1000);
    }
  }
};

五 dog.js

export default {
  // 局部状态
  state: {
    name: "拉布拉多",
    age: 1
  },
  // 局部变化
  mutations: {
    increment(state, payload) {
      state.age += payload.num;
    }
  },
  // 局部动作
  actions: {
    grow(state, payload) {
      setTimeout(() => {
        state.commit("increment", payload);
      }, 1000);
    }
  }
};

六 HelloWorld.vue

<template>
  <div class="hello">
    <h3>Vuex状态树</h3>
    <div>{{this.$store.state}}</div>
    <h3>各模块的局部状态</h3>
    <div>{{cat}} 、 {{dog}}</div>
    <button @click="increment({num:1})">变化</button>
    <button @click="grow({num:1})">动作</button>
  </div>
</template>

<script>
import { mapState, mapMutations, mapActions } from "vuex";

export default {
  name: "HelloWorld",
  computed: {
    ...mapState(["cat", "dog"])
  },
  methods: {
    ...mapMutations(["increment"]),
    ...mapActions(["grow"])
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="scss">
</style>

七 运行效果