proginn-frontend/components/learn/dealSeoDetail.js

export default class DealSeoData {
    constructor({$axios, req, app, redirect, error}) {
        this.$axios = $axios
        this.req = req
        this.app = app
        this.redirect = redirect
        this.error = error
        this.skillDetail = {}
        this.isExist = true
    }

    async dealData() {
        let {
            name,
            query: { act },
            path,
            params,
            fullPath
        } = this.app.context.route
        const sale_id = params.id || ''

        // 重定向
        if (path.indexOf('/frontend/learn/detail') > -1) {
            this.redirect(301, '/l/' + sale_id)
        }

        const skillDetail = {}

        return {
            isExist: this.isExist,
            sale_id,
            skillDetail,
            mobile: this.app.$deviceType.isMobile(),
            head: this.dealThisMeta(),
            act
        }
    }

    dealThisMeta() {
        if (!this.isExist) {
            // 页面不存在时
            return {
                title: "页面不存在-程序员客栈",
                keyword: "",
                description: "",
                h1: "",
                canonical: "",
                metaLocation: ""
            }
        }

        let head = {
            title: `客栈学院`,
            keyword: `客栈学院`,
            description: `客栈学院`,
            h1: "",
            canonical: "",
            metaLocation: ""
        }
        return head
    }
}