<template>
        <div id="app">
            <router-view></router-view>
            <button @click="test">点击</button>
        </div>
    </template>
    <script lang='ts'>
    import { Component, Vue } from 'vue-property-decorator'
    @Component({
        components: {
            // 组件
        }
    })
    export default class App extends Vue{
        test(){
            console.log('测试')
        }
    }
    </script>