Vue路由参数:id设置可有可无

vue在路由中定义了id如果没有id控制台警告

 

 

 解决办法

{
    name: "index",
    path: '/p/:id?',
    component: resolve =>void(require(['../components/admin/layout/index.vue'], resolve))
}
//  ==
{ path: '/p/:id?', name: 'index', component: Index}