问题:

I am creating my website in angular 5

I have homepage, stores and categories as pages in my site

Initially I decided to keep header and footer as global across the website.

I mean to create a header and footer components and use them as directives

<app-header></app-header> <app-homepage></app-homepage> <app-header></app-header>  <app-header></app-header> <app-stores></app-stores> <app-header></app-header>  <app-header></app-header> <app-categories></app-categories> <app-header></app-header>

I am trying to use the meta information of the page, like page title, meta-keywords from my database.

For the homepage it is possible.

For stores and categories I am little confused how can I use the page title, meta-keywords.

For example:

`<html> <title>{{ homepage.title }}</title> <meta keywords = {{ homepage.meta_keywords }}> </html>`

The above is possible for homepage.

But for Stores and Categories it will change according to page.

Need a solution on how I can change the title and meta keywords according to page

Like for stores :

`<html> <title>{{ storepage.title }}</title> <meta keywords = {{ storepage.meta_keywords }}> </html>`

回答1:

You should use Angular 5 Title & Meta services. It's out of the box in Angular 5 so you can:

constructor(private meta: Meta,             private title: Title) { }  ngOnInit() {      this.title.setTitle(pageTitle);      this.meta.updateTag({property: 'og:description', content: pageDescription});      this.meta.updateTag({property: 'twitter:card', content: 'summary'});       ...... }

回答2:

This is what I found working :

https://github.com/angular/angular-cli/wiki/stories-universal-rendering

转载请标明出处:Header and Footer in Angular 5

文章来源: Header and Footer in Angular 5

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