vue Nprogress进度条功能实现常见问题

import Vue from "vue";
import VueRouter from "vue-router";
import store from "@/store";
import HomeLayout form "@/views/home/layout";
import NProgress from "nprogress";
import userCenter from "./modules/userCenter";
import 'nprogress/nprogress.css'
Vue.use(VueRouter);
NProgress.inc(0.2);
NProgress.configure({easing:'ease',speed:2000,showSpinner:false,trickle:false})
const routes = [{
	path:"/",
	name:"Index",
	redirect:"/index"
},{
	path:"/index",
	name:'Index',
	component:()=>import ('@/views/home/index.vue'),
	meta:{title:'首页'}
},{
	path:'/home',
	name:'Home',
	component:()=>import('@/views/home/main'),
	meta:{title:'首页'}
},{
	path:'/login',
	name:'Login',
	component:()=>import ('@/views/login'),
	meta:{title:'登录'}
},{
	path:'/register',
	name:'register',
	component:()=>import('@/views/register'),
	meta:{title:'注册'}
},{
	path:'/404',
	name:'404',
	component:()=>import('@/views/errorPage')
},{
	path:'*',
	redirect:'/404'
}]
const router = new VueRouter({
	mode:'history',
	routes
})
//路由跳转之前做拦截
router.beforeEach((to,from,next)=>{
	//页面跳转之前，开启进度条
	NProgress.start();
	//某些拦截操作，是否登录权限等...
	const token = window.localStorage.getItem('token');//从localstorage中获取缓存
	if(to.meta.title){
		document.title = to.meta.title;//将浏览器选项卡的标题改为页面的title
	}
	store.commit('changeCurrentPage',to.path);
	const reg = /[a-zA-Z]+\/$/;
	//不需要校验的路由直接跳转
	if(!to.meta.requireAuth){
		if(reg.test(to.path)){
			next(to.path.replace(reg,''));
			return;
		}
		next();
		return
	}
	if(token&&to.name!=='Index'){
		//已登录且要跳转的页面不是登录页面
		if(reg.test(to.path)){
			next(to.path.replace(reg,''));
			return;
		}
		next();//可以直接跳转
	}else if(token && to.name == 'Index'){
		//已登录且要跳转的页面是登录页
		if(reg.test(to.path)){
			next(to.path.replace(reg,''));
			return
		}
		next('/home');//直接跳转到首页
	}else if(!token && to.name !='Index'){
		//未登录且要跳转的页面不是登录页
		next('/index');//跳转到登录页
	}else{
		if(reg.test(to.path)){
			next(to.path.replace(reg,''));
			return;
		}
		next()
	}
})
router.afterEach(to=>{
	NProgress.done();
	window.scrollTo(0,0);
})
//处理重复点击当前页菜单，出现警告问题
const originalPush = VueRouter.prototype.push;
VueRouter.prototype.push = function push(location){
	return originalPush.call(this,location).catch(err=>err);
}
export default router;

#nprogress .bar {
  background: #f90 !important; //自定义颜色
}