登录 路由拦截

• Cookie

router.beforeEach((to,from,next)=>{

  store.commit('setToken',Cookie.get('token'))

  if(store.state.token){

    store.commit('changIsSignIn',1)

  }

  if(to.meta.requireAuth){

    if(store.state.token){

      next()

    }else{

      next({path:'/login'})

    }

  }else{

    next()

  }

  

})

 

• sessionStorage

 

//路由导航守卫

router.beforeEach((to,from,next)=>{

  const token=window.sessionStorage.getItem('token');

  if(to.path =='/login'){

    next();

  }else{

    if(token){

      next();

    }else{

      next('login');

    }

  }

})