滚动以锚定刷新或手动更改URL [英] Scroll to anchor on refresh or on manual URL change

问题描述

我实现了这篇文章中的代码，使滚动条可以在使用路由器导航时锚定.

I implemented the code from this post, enabling the scroll to anchor while navigating using the router.

但是我注意到在刷新或手动导航(通过操纵URL)时，页面无法按预期滚动到锚定位置.

But I noticed that on a refresh or manual navigation (by manipulating the URL), the page does not scroll to anchor as expected.

我可以将此代码添加到所有页面，并且可以正常工作:

I can add this code to all pages, and it is going to work:

mounted() {
    console.log('Location:', location.hash); //returns '#options'
    console.log('Route:', this.$route.hash); //returns '#options'

    if (location.hash)
        this.$nextTick().then(() => this.$scrollTo(location.hash, 700));
}

是否有全局方法可以设置此代码，而不必在每个页面中都设置代码?

我试图在App.vue文件上进行设置，location.hash属性返回正确的哈希值，但是this.$scrollTo()说它找不到具有该ID的任何对象.

I've tried to set that on the App.vue file, the location.hash prop returns the correct hash, but this.$scrollTo() says that it can't find any object with that ID.

推荐答案

我只是使用了vue-router导航卫士:

I simply used a vue-router navigation guard:

const router = new VueRouter({
    mode: "history",
    base: process.env.BASE_URL,
    routes,

    scrollBehavior (to, from, savedPosition) {
        if (to.hash) {
            this.app.$scrollTo(to.hash, 700);
            return { selector: to.hash }
        } else if (savedPosition) {
            return savedPosition;
        } else {
            //When the route changes, the page should scroll back to the top.
            this.app.$scrollTo('#app', 700);
            return { x: 0, y: 0 }
        }
    }
});

router.afterEach((to, from) => {
    if (to.hash && to.path != from.path)
        Vue.nextTick().then(() => VueScrollTo.scrollTo(to.hash, 700));
});

与问题无关，但与带有散列的导航有关:

如果要在GitHub Pages中发布网站，则需要添加以下两个部分.

Unrelated to the question, but related to the navigation with hashes:

If you are publishing your website in GitHub Pages, you'll need to add these next two parts.

添加一个404.html静态页面，以将导航重定向回到根页面，但在sessionStorage中传递一些参数:

Add a 404.html static page, to redirect the navigation back to the root page, but passing a few parameters in the sessionStorage:

<script>
    const segment = 1;  
    //Gets the relative path and the hash of the URL.  
    sessionStorage.redirect = '/' + location.pathname.slice(1).split('/').slice(segment).join('/');  
    sessionStorage.hash = location.hash;  

    //Forces the navigation back to the main page, since it's the only entry point that works.
    location.replace(location.pathname.split('/').slice(0, 1 + segment).join('/'));
</script>

更改您的main.js页面以期望重定向参数:

Alter your main.js page to expect the redirect parameters:

new Vue({
    router,
    i18n,
    render: (h) => h(App),
    created() {
        //If a redirect exists, tell the router.
        if (sessionStorage.redirect) {
            const redirect = sessionStorage.redirect;
            const hash = sessionStorage.hash;
            delete sessionStorage.redirect;
            delete sessionStorage.hash;

            this.$router.push(redirect + hash);
        }
    }
}).$mount("#app");

这篇关于滚动以锚定刷新或手动更改URL的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！