simulation-front/src/router/filter.js

import Router from 'vue-router'
import router from "./index"

// 解决ElementUI导航栏中的vue-router在3.0版本以上重复点菜单报错问题
const originalPush = Router.prototype.push
Router.prototype.push = function push(location) {
    return originalPush.call(this, location).catch(err => err)
}


router.beforeEach((to, from, next) => {
    console.log(from);
    console.log(to);
    if (to.fullPath === '/' || to.name === '*') {
        let {
            code,
            ticket
        } = to.query;

        if (code && ticket) {
            next({
                path: "/mainPage",
                query: {
                    code,
                    ticket
                },
                replace: true
            });
        } else {
            next({
                path: "/mainPage",
                replace: true
            });
        }
    } else {
        if (from.path === '/login' || from.name === 'login') {
            if (localStorage.getItem('Authorization')) {
                next();
            } else {
                next(false);
                // return false
            }
        } else {
            next();
        }
    }
});