方法一 getElementById or something else
<div class="book-navbar-menutree" id="menuTree" name="menuTree">
onMounted(() => {
var menu = document.getElementById('menuTree') as HTMLElement
menu.innerHTML = menuTreeStr.value
})
方法二 getCurrentInstance
import { getCurrentInstance } from "vue"
onMounted(() => {
(getCurrentInstance()?.refs.menuTree as HTMLElement).innerHTML
= menuTreeStr.value
})
或者
const instance = getCurrentInstance();
(instance?.refs.menuTree as HTMLElement).innerHTML = menuTreeStr.value
方法三 ref
const menuTree = ref<HTMLElement>()
<div class="book-navbar-menutree" ref="menuTree">
onMounted(() => {
menuTree.value?.innerHTML
})