Java-简单的银行管理系统
前一段时间做的这个任务,做得比较简单,基本上也就是用基础的语句实现;所以说什么价值,留着以后想做比较复杂时再做吧;
package 国玉;
/**
* @author asus
*
*/
import java.util.Scanner;
public class yinghang {
public int id;
public String name;
public int password;
public int money;
//方法yinghang(),创建账户的账号、密码、姓名和余额
public yinghang(int id, String name, int password, int money) {
this.id = id;
this.name = name;
this.password = password;
this.money = money;
}
//方法Display(),显示账户的账号、姓名和余额信息
public void Display(){
System.out.println("客户:" + id);
System.out.println("姓名:" + name);
// System.out.println("客户余额:" + money);
}
public void Display1(){
System.out.println("尊敬的" + id+" 客户:您好!");
System.out.println("您的余额为:" + money);
}
/*取款方法 takeMoney(),先让用户输入密码验证,
密码正确后输入取款金额,取款成功后余额减除相应的金额*/
/*如果密码错误则重新输入,一共有三次机会,如果错误则锁定用户,返回主页面*/
public void takeMoney(){
while(true){
Scanner sc = new Scanner(System.in);
System.out.println("请输入密码进行验证!");
int pass = sc.nextInt();
if(pass == password){
System.out.println("请输入需要取款的金额:");
int withdrawals = sc.nextInt();
if(withdrawals <= money) {
money= money-withdrawals;
System.out.println("账户余额:" + money);
}else {
System.out.println("当前余额不足!");
}
break;
}
else {
System.out.println("你输入的密码有误,请重新输入!");
}
//sc.close();
}
}
public void quMoney(){
while(true){
Scanner sc = new Scanner(System.in);
System.out.println("请输入密码进行验证!");
int pass = sc.nextInt();
if(pass == password){
System.out.println("请输入需要存款的金额:");
int withdrawals = sc.nextInt();
//sc.close();
/* if(withdrawals <= money) {*/
money= money+withdrawals;
System.out.println("账户余额:" + money);
/*}else {
System.out.println("当前余额不足!");
}*/
break;
}
else {
System.out.println("你输入的密码有误,请重新输入!");
//break;
//quMoney();
}
//sc.close();
}
}
/*存款方法 saveMoney(int moneys),
存款是直接传入存款金额,账户余额增加相应的金额*/
/* public void saveMoney(int inmoney){
money = money + inmoney;
System.out.println("此次存款为:" + inmoney);
System.out.println("账户余额:" + money);
}*/
public static void main(String[] args) {
// TODO Auto-generated method stub
yinghang acc = new yinghang(1000000,"小明",123456,10000000);
/*
acc.id = 10000;
acc.name = "小明";
acc.password = 123456;
acc.money = 10000000;
*/
Scanner sc = new Scanner(System.in);
System.out.println("---欢迎进入银行账户操作系统---");
System.out.println("---------1银行账户信息--------");
System.out.println("---------2余额信息------------");
System.out.println("---------3取款操作------------");
System.out.println("---------4存款操作------------");
System.out.println("---------5退出系统------------");
System.out.println("------------------------------");
while(true) {
int choice = sc.nextInt();
switch(choice) {
case 1:
System.out.println("---银行账户信息---");
acc.Display();
break;
case 2:
System.out.println("---余额信息---");
acc.Display1();
break;
case 3:
System.out.println("---取款操作---");
acc.takeMoney();
break;
case 4:
System.out.println("---存款操作---");
acc.quMoney();
/* Scanner scc = new Scanner(System.in);
int passs = sc.nextInt();
acc.saveMoney(passs);
scc.close();*/
break;
case 5:
System.exit(0);
break;
default:
System.out.println("您的选择有误!");
break;
}
}
//sc.close();
}
}