vue实现向前刷新，向后不刷新

1。路由文件配置：在配置的路由后添加：meta:{keepAlive:true}例如：{path:'/',name:'Home',component:()=>import('@/components/Main.vue'),meta:{keepAlive:true}}2.添加router.beforeEach((to,from,next)=>{consttoDepth=to.path.split('/').lengthconstfromDepth=from.path.split('/').lengthif(toDepthrouter-viewv-if="!$route.meta.keepAlive">