<template>
  <div>
    <Button size="large" type="text" @click="backHome">返回首页</Button>
    <Button size="large" type="text" @click="backPrev">返回上一页({{ second }}s)</Button>
  </div>
</template>

<script>
import './error.less'
export default {
    name: 'backBtnGroup',
    data () {
        return {
            second: 5,
            timer: null
        }
    },
    methods: {
        backHome () {
            this.$router.replace({
                name: this.$config.homeName
            })
        },
        backPrev () {
            this.$router.go(-1)
        }
    },
    mounted () {
        this.timer = setInterval(() => {
            if (this.second === 0) this.backPrev()

            else this.second--
        }, 1000)
    },
    beforeDestroy () {
        clearInterval(this.timer)
    }
}
</script>
