import { Injectable } from '@angular/core' ; @ Injectable ( ) export class TransferService { step : 0 | 1 | 2 = 1 ; /**
     * 付款账户
     */ pay_account : string ; /**
     * 收款账户类型
     */ receiver_type : 'alipay' | 'bank' ; get receiver_type_str ( ) { return this . receiver_type === 'alipay' ? '支付宝' : '银行' ; } /**
     * 收款账户
     */ receiver_account : string ; /**
     * 收款姓名
     */ receiver_name : string ; /**
     * 金额
     */ amount : number ; /**
     * 支付密码
     */ password = '123456' ; again ( ) { this . step = 0 ; this . pay_account = 'ant-design@alipay.com' ; this . receiver_type = 'alipay' ; this . receiver_account = 'test@example.com' ; this . receiver_name = 'asdf' ; this . amount = 500 ; } constructor ( ) { this . again ( ) ; } }