<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script src="vue.js"></script>
<script src="vuex.js"></script>
</head>
<body>
<div id="box">
<button @click="add">{{$store.state.count}}</button>
<veb></veb>
</div>
</body>
<script>
//其他组件的访问
// Vue.component("veb",{
// template:`<button>{{$store.state.count}}</button>`,
// })
Vue.component("veb",{
template:`<button>{{count}}</button>`,
computed:{
count:function(){
return this.$store.state.count //假设{{name}}，在里面的钩子函数都是通过this去访问的
}
}
})
var box=new Vue({
el:"#box",
data:{
},
store:new Vuex.Store({
state:{
count:0
},
mutations:{
add:function(state){
state.count++
}
}
}),
methods:{
add:function(){
this.$store.commit("add")
}
}
})
</script>
</html>
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