vue中的mixins混入使用方法

let mymixin={
    methods:{
        handleBtn(){
            alert('封装的内容已经触发！')
        }
    }
}
export default mymixin

import myMixins from "./mixins/index.js"
// 全局混入
Vue.mixin(myMixins)

<template>
  <button @click="handleBtn">点我触发</button>
</template>
<script>
import myMixins from '@/mixin.js'
export default {
    mixins:[myMixins]
}
</script>
<style>
</style>

<div id="app">
    <child></child>
    <kid></kid>
</div>

Vue.component('child',{
    template:`<h1 @click="foo">child component</h1>`,
    methods:{
        foo(){
            console.log('Child foo()'+this.msg++)
        }
    }
})
Vue.component('kid',{
    template:`<h1 @click="foo">kid component</h1>`,
    methods:{
        foo(){
            console.log('Kid foo()'+this.msg++)
        }
    }
})

let mixin={
    data(){
        return{
            msg:1
        }
    },
    methods:{
        foo(){
            console.log('hello from mixin!----'+this.msg++)
        }
    }
}
var child=Vue.component('child',{ 
        template:`<h1 @click="foo">child component</h1>`, 
        mixins:[mixin]
})
Vue.component('kid',{ 
        template:`<h1 @click="foo">kid component</h1>`, 
        mixins:[mixin]
})

var child=Vue.component('child',{
    template:`<h1 @click="foo">child component</h1>`,
    mixins:[mixin],
    methods:{
        foo(){
            console.log('Child foo()'+this.msg++)
        }
    }
})

let mixin={
    mounted(){
        console.log('mixin say hi')//先输出
    },
    data(){
        return{
            msg:1
        }
    },
    methods:{
        foo(){
            console.log('mixin foo()'+this.msg++)
        }
    }
}
let vm=new Vue({
    el:"#app",
    data:{
        msg: 2
    },
    mounted: function(){
        console.log('app say hi')//后输出
    },
    methods:{
        foo(){
            console.log('Parent foo()'+this.msg)
        }
    }
})