Angular 2 Tubi incorporati


Esempio

Angular2 viene fornito con alcuni tubi incorporati:

Tubo uso Esempio
DatePipe date {{ dateObj | date }} // output is 'Jun 15, 2015'
UpperCasePipe uppercase {{ value | uppercase }} // output is 'SOMETEXT'
LowerCasePipe lowercase {{ value | lowercase }} // output is 'sometext'
CurrencyPipe currency {{ 31.00 | currency:'USD':true }} // output is '$31'
PercentPipe percent {{ 0.03 | percent }} //output is %3

Ce ne sono altri Guarda qui per la loro documentazione.

Esempio

hotel-reservation.component.ts

import { Component } from '@angular/core';

@Component({
    moduleId: module.id,
    selector: 'hotel-reservation',
    templateUrl: './hotel-reservation.template.html'
})
export class HotelReservationComponent {
    public fName: string =  'Joe';
    public lName: string = 'SCHMO';
    public reservationMade: string = '2016-06-22T07:18-08:00'
    public reservationFor: string = '2025-11-14';
    public cost: number = 99.99;
}

hotel reservation.template.html

<div>
    <h1>Welcome back {{fName | uppercase}} {{lName | lowercase}}</h1>
    <p>
        On {reservationMade | date} at {reservationMade | date:'shortTime'} you 
        reserved room 205 for {reservationDate | date} for a total cost of 
        {cost | currency}.
    </p>
</div>

Produzione

Welcome back JOE schmo
On Jun 26, 2016 at 7:18 you reserved room 205 for Nov 14, 2025 for a total cost of 
$99.99.