vue is 属性

//is.vue
<template>
    <div>
        <button @click="login">登录</button>
        <button @click="register">注册</button>
        <div :is="comName"></div>
    </div>
</template>

<script>
    import Login from './Login'
    import Register from './Register'
    export default {
        components: {
            Login,
            Register
        },
        data() {
            return {
                comName: ""
            }
        },
        methods: {
            login() {
                this.comName = "Login"
            },
            register() {
                this.comName = "Register"
            }
        }
    }
</script>