问ion-tab选项卡属性与ion-fab routerLink的不同行为

EN

<ion-tabs>
    <ion-tab-bar slot="bottom" mode="md">
        <ion-tab-button tab="token">
            <ion-icon src="/assets/svg/ticket-star.svg"></ion-icon>
            <ion-label>Tokens</ion-label>
        </ion-tab-button>

        <ion-tab-button tab="transactions">
            <ion-icon src="/assets/svg/empty-wallet-change.svg"></ion-icon>
            <ion-label>Transactions</ion-label>
        </ion-tab-button>

        <div class="centerd-btn"></div>

        <ion-tab-button tab="swipe">
            <ion-icon src="/assets/svg/people.svg"></ion-icon>
            <ion-label>Swipe</ion-label>
        </ion-tab-button>

        <ion-tab-button tab="buy">
            <ion-icon src="/assets/svg/card.svg"></ion-icon>
            <ion-label>Buy</ion-label>
        </ion-tab-button>

        <ion-tab-button tab="user" hidden>
        </ion-tab-button>

        <ion-tab-button tab="notifications" hidden>
        </ion-tab-button>

        <ion-tab-button tab="help" hidden>
        </ion-tab-button>

    </ion-tab-bar>
    <ion-fab vertical="bottom" horizontal="center" slot="fixed">
        <ion-fab-button routerLink="scan" routerLinkActive="active-tab" [routerLinkActiveOptions]="{exact:true}">
            <ion-icon src="/assets/svg/qr-scan.svg"></ion-icon>
        </ion-fab-button>
        <ion-label>Scan at bar</ion-label>
    </ion-fab>
</ion-tabs>

import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { TabsPage } from './tabs.page';

const routes: Routes = [
  {
    path: ':eventId',
    component: TabsPage,
    children: [
      {
        path: 'home',
        loadChildren: () => import('../home/home.module').then(m => m.HomePageModule)
      },
      {
        path: 'token',
        loadChildren: () => import('../token/token.module').then(m => m.TokenPageModule)
      },
      {
        path: 'transactions',
        loadChildren: () => import('../transactions/transactions.module').then(m => m.TransactionsPageModule)
      },
      {
        path: 'swipe',
        loadChildren: () => import('../swipe/swipe.module').then(m => m.SwipePageModule)
      },
      {
        path: 'buy',
        loadChildren: () => import('../buy/buy.module').then(m => m.BuyPageModule)
      },
      {
        path: 'scan',
        loadChildren: () => import('../scan/scan.module').then(m => m.ScanPageModule)
      },
      {
        path: 'notifications',
        loadChildren: () => import('../notifications/notifications.module').then(m => m.NotificationsPageModule)
      },
      {
        path: 'help',
        loadChildren: () => import('../help/help.module').then(m => m.HelpPageModule)
      },
      {
        path: 'user',
        loadChildren: () => import('../user/user.module').then(m => m.UserPageModule)
      },
      {
        path: '',
        redirectTo: '/event/swipedrinks/home',
        pathMatch: 'full'
      }
    ]
  },
  {
    path: '',
    component: TabsPage
  }
];

@NgModule({
  imports: [RouterModule.forChild(routes)],
  exports: [RouterModule]
})
export class TabsPageRoutingModule {}