vue3 倒计时3秒后返回首页

效果 代码实现

{{ count }}秒后返回网站首页 



import router from "/@/router";
import {onMounted, reactive, ref} from "vue";

export default {
  setup(): any {
    onMounted(() => {
      countdown()  //页面一加载成功就执行
    })

    let timer = null
    let count: number = ref(10)

    //倒计时
    function countdown() {
      timer = setInterval(() => {
        count.value = count.value-1
        if (count.value