# Ep17#07 - Mutations thay đổi state từ components (ok)

<figure><img src="/files/xXzrPPBmWSb7PewXGpkX" alt=""><figcaption></figcaption></figure>

C:\Users\Administrator\Desktop\imoney\src\components\AppResult.vue

```html
<template>
  <div>
   {{ result }}
  </div>
</template>
<script>
export default {
  name: 'AppCount',
  computed: {
    result(){
      return this.$store.state.result;
    }
  }
}
</script>
```

C:\Users\Administrator\Desktop\imoney\src\App.vue

```html
<template>
  <div id="app">
    <img alt="Vue logo" src="./assets/logo.png">
    <AppResult />
    <br/>
    <OtherResult />
    <br/>
    <app-count />
  </div>
</template>
<script>
import AppCount from './components/AppCount.vue'
import AppResult from './components/AppResult.vue'
import OtherResult from './components/OtherResult.vue'
export default {
  name: 'App',
  components: {
    AppResult,
    AppCount,
    OtherResult
  }
}
</script>
<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

```

C:\Users\Administrator\Desktop\imoney\src\components\OtherResult.vue

```html
<template>
  <div>
   <!-- <p>{{ result }}</p> -->
   <!-- <p>{{ nameResult }}</p> -->
   <p style="color: red;">{{ testResult }}</p>
   <p style="color: green;">{{ nameResult }}</p>
  </div>
</template>
<script>
import {mapGetters} from 'vuex';
export default {
  name: 'AppCount',
  // computed: {
  //   result() {
  //     return this.$store.getters.testResult
  //   },
  //   nameResult() {
  //     return this.$store.getters.nameResult
  //   }
  // },
  // Use short
  computed: {
    ...mapGetters(['testResult', 'nameResult'])
  }
}
</script>
```

C:\Users\Administrator\Desktop\imoney\src\components\AppCount.vue

```html
<template>
  <div>
    <button @click="increment">Increment</button>
    <button @click="decrement">Decrement</button>
  </div>
</template>
<script>
export default {
  name: 'AppCount',
  methods: {
    increment() {
      // this.$store.state.result++
      this.$store.commit('incrementOp',5);
    },
    decrement() {
      this.$store.state.result--
    }
  }
}
</script>

```

C:\Users\Administrator\Desktop\imoney\src\store.js

```html
import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex)
export const store = new Vuex.Store({
  state: {
    result: 0
  },
  getters: {
    testResult: state => {
      return state.result * 10;
    },
    nameResult: state => {
      return state.result * 10 + " name products";
    }
  },
  mutations: {
    incrementOp(state,nuber=1) {
      state.result += nuber;
    }
  }
})
```

C:\Users\Administrator\Desktop\imoney\src\main.js

```javascript
import Vue from 'vue'
import App from './App.vue'
import {store} from './store.js'
Vue.config.productionTip = false
new Vue({
  store,
  render: h => h(App),
}).$mount('#app')
```


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