iview drawer抽屉侧边添加按钮

iview的抽屉弹窗组件，在弹窗侧边紧靠弹窗如何添加一个按钮控制弹窗关闭

<template>
    <Button @click="value1 = true" type="primary">Open</Button>
    <Drawer title="Basic Drawer" :closable="false" v-model="value1">
        <p>Some contents...</p>
        <p>Some contents...</p>
        <p>Some contents...</p>
    </Drawer>
</template>
<script>
    export default {
        data () {
            return {
                value1: false
            }
        }
    }
</script>

把value1变成false就关闭了

<template>
    <Button @click="value1 = true" type="primary">Open</Button>
    <Drawer title="Basic Drawer" :closable="false" v-model="value1">
        <p>Some contents...</p>
        <p>Some contents...</p>
        <p>Some contents...</p>
        <Button @click="value1 = false" type="primary">Close</Button>
    </Drawer>
</template>
<script>
    export default {
        data () {
            return {
                value1: false
            }
        }
    }
</script>