daima.zip_java 继承 银行

package kaifa.com.bankcard.model; import java.util.Date; public class CreditCard extends BankCard { private double overDraftUpperAmount; private double overDraftedAmount; public CreditCard(String bandCardID, String bankname, Account account, Date grantDate, Date activateDate, Date invalidDate, int ifValid, double overDraftUpperAmount) { super(bandCardID, bankname, account, grantDate, activateDate, invalidDate, ifValid); this.overDraftUpperAmount = overDraftUpperAmount; } public int withdrawl(double d) { double t = super.getAccount().getTotal_amount(); if (t + this.overDraftUpperAmount >= d) { if (t >= d) { this.getAccount().withdrawl(d); } else { this.getAccount().setTotal_amount(0); this.overDraftedAmount = d - t; long id = this.getAccount().id; id++; this.getAccount().v.add( new Transanction( id + "", null, 1, d, new Date(), "zhang") ); } return 1; } return 0; } public double getTotal_amount() { return super.getAccount().getTotal_amount(); } }