import {Pipe, PipeTransform} from '@angular/core'; @Pipe({ name: 'rechargePlatform' }) export class RechargePlatformPipe implements PipeTransform { transform(value: string): unknown { const array = value.split('-'); let string = ''; for (const i of array) { if (Number(i) === 1) { string = string + '尖椒,'; } if (Number(i) === 2) { string = string + '龙阅,'; } if (Number(i) === 3) { string = string + '城宇,'; } } return string.substring(0 , string.length - 1); } }