07vuex 筆記module 02 -02

// main.js
import Vue from 'vue'
import Vuex from 'vuex'
import App from './App.vue'

Vue.use(Vuex)
Vue.config.productionTip = false

const moduleA = {
  namespaced: true,
  state: {
    count: 3
  },
  mutations: {
    increment (state) {
      state.count++;
    }
  },
  getters: {
    doubleCount (state) {
      return state.count * 2;
    }
  },
  actions: {
    incrementIfOdd ({ state, commit }) {
      if(state.count % 2 === 1) {
        commit('increment');
      }
    }
  }
};

const moduleB = {
  modules: {
    subModule: {
      state: {

      },
      mutations: {
        login () {}
      },
      getters: {
        login () {}
      },
      actions: {
        login () {}
      }
    }
  },
  state: {
    count: 8
  },
  mutations: {

  },
  getters: {

  },
  actions: {

  }
};

const store = new Vuex.Store({
  modules: {
    a: moduleA,
    b: moduleB
  },
  state: {
    count: 2
  },
  mutations: {

  },
  getters: {

  },
  actions: {

  }
});


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

// window.console.log( store.state.a.count );
// // store.commit('increment');
// store.commit('a/increment');
// window.console.log( store.state.a.count );
// // window.console.log( store.state.b.count );

store.commit('login');
store.dispatch('login');
store.getters.login;


添加namespaced: true

const moduleB = {
  namespaced: true,
  modules: {
  	subModule: {

	},
	... ...
  },
  .. ...
  };

改爲:

// store.commit('login');
// store.dispatch('login');
// store.getters.login;

store.commit('b/login');
store.dispatch('b/login');
store.getters['b/login'];

添加namespaced: true

const moduleB = {
  namespaced: true,
  modules: {
  	subModule: {
        namespaced: true,
        ... ...
	},
	... ...
  },
  .. ...
  };
// store.commit('login');
// store.dispatch('login');
// store.getters.login;

// store.commit('b/login');
// store.dispatch('b/login');
// store.getters['b/login'];

store.commit('b/subModule/login');
store.dispatch('b/subModule/login');
store.getters['b/subModule/login'];
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