```
xx.vue文件
methods:{
addFn(num){
this.$store.dispatch(ADD,num)
}
}
```
```
index.js文件
axios promize 請求
actions :{
[ADD](context, payload){
consolr.log(context, payload); context是一個對象
setTimeout(()=>{
context.commit(ADD, payload)
},1500)
}
}
mutations :{
[ADD](state, payload){
state.count += payload
}
}
```
