import { Pipe, PipeTransform } from '@angular/core'; @Pipe({ name: 'rechargeStatus' }) export class RechargeStatusPipe implements PipeTransform { transform(value: number): string { switch (value) { case 1: return '待支付'; case 2: return '已支付'; case 3: return '已完成'; case 4: return '已退款'; case 5: return '已取消'; case 6: return '退款中'; } } }