Ionic4 learning notes 4 -- add a tab page

1、 Create a module

ionic g page tab4

2、 Modify routing （ A delete , An update ）

Delete ：app Directory app-routing.module.ts The new module route generated by the update in the file ;

to update ：tabs Directory tabs-routing.module.ts Add the route of the new module in the file ;

{
        path: 'tab4',
        loadChildren: () => import('../tab4/tab4.module').then( m => m.Tab4PageModule)
      }

3、 stay tabs The directory html On the page , Add bottom menu