using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication4
{
class User
{
public string name;
public string id;
public string mima;
public double cunkuan;
public string zhanghao;
//取款
public double qukuanf(double qukuan)
{
if (qukuan > 0)
{
if (qukuan <= cunkuan)
{
cunkuan = cunkuan - qukuan;
return cunkuan;
}
else
{
return -1;
}
}
else
{
return -1;
}
}
//存款
public double cunkuanf(double cunkuan1)
{
if (cunkuan1 > 0)
{
cunkuan = cunkuan + cunkuan1;
return cunkuan;
}
else
{
return -1;
}
}
}
}
账户类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication4
{
class Bank
{
User a = new User();
User[] p = new User[3];
//初始化
public void zhanghu()
{
p[0] = new User();
p[0].zhanghao = "13";
p[0].name = "李四";
p[0].mima = "1236";
p[0].id = "11111111";
p[0].cunkuan = 70000;
p[1] = new User();
p[1].zhanghao = "12";
p[1].name = "张三";
p[1].mima = "1234";
p[1].id = "123456789";
p[1].cunkuan = 80000;
p[2] = new User();
p[2].zhanghao = "14";
p[2].name = "王五";
p[2].mima = "1235";
p[2].id = "2222222";
p[2].cunkuan = 90000;
}
//取款
public void qukuanf2()
{
Console.WriteLine("请输入账号");
string qwe = Console.ReadLine();
Console.WriteLine("请输入密码");
string zxc = Console.ReadLine();
User o = qaz(qwe, zxc);
if (o != null)
{
Console.WriteLine("请输入取款金额");
double qukuan = double.Parse(Console.ReadLine());
double e = o.qukuanf(qukuan);
if (e == -1)
{
Console.WriteLine("取款失败！");
fuwu();
}
else
{
Console.WriteLine("取款成功！当前余额为：" + e);
fuwu();
}
}
else
{
Console.WriteLine("输入有误！");
fuwu();
Console.ReadLine();
}
}
//存款
public void cunkuanf2()
{
Console.WriteLine("请输入账号");
string qwe = Console.ReadLine();
User o = yanzheng1(qwe);
if (o != null)
{
Console.WriteLine("请输入存款金额");
double t = double.Parse(Console.ReadLine());
double w = o.cunkuanf(t);
Console.WriteLine("存款成功！当前余额为" + w);
fuwu();
}
else
{
Console.WriteLine("输入有误！");
fuwu();
Console.ReadLine();
}
}
//菜单
public void fuwu()
{
foreach (var item in p)
{
Console.WriteLine("用户名：{0}，账号；{1}，省份证：{2},余额：{3}", item.name, item.zhanghao, item.id, item.cunkuan);
}
Console.WriteLine("===========欢迎使用自动银行服务===========");
Console.WriteLine("1.存款 2.取款 3.转账 4.查询余额 5.修改密码 6.退出");
Console.WriteLine("==========================================");
int i = int.Parse(Console.ReadLine());
switch (i)
{
case 1:
cunkuanf2();
break;
case 2:
qukuanf2();
break;
case 3:
zhuanzhang();
break;
case 4:
cha();
break;
case 5:
mima();
break;
case 6:
//退出
break;
}
Console.ReadLine();
}
//验证
public User qaz(string qwe, string zxc)
{
foreach (User item in p)
{
if (qwe.Equals(item.zhanghao) && zxc.Equals(item.mima))
{
return item;
//fuwu();
}
} return null;
}
//转账
public void zhuanzhang()
{
double yu1 = 0;
double yu2 = 0;
Console.WriteLine("请输入账号");
string qwe = Console.ReadLine();
Console.WriteLine("请输入密码");
string zxc = Console.ReadLine();
User o = qaz(qwe, zxc);
if (o != null)
{
Console.WriteLine("请输转帐款金额");
double qukuan9 = double.Parse(Console.ReadLine());
yu1 = o.qukuanf(qukuan9);
Console.WriteLine("请输入转入账号");
string k = Console.ReadLine();
User y = yanzheng1(k);
if (y != null)
{
double t = qukuan9;
yu2 = y.cunkuanf(t);
}
}
else
{
Console.WriteLine("输入有误！");
Console.ReadLine();
}
Console.WriteLine("转出账户余额为：" + yu1 + "转入账户余额为：" + yu2);
}
//账号验证
public User yanzheng1(string qwe)
{
foreach (User item in p)
{
if (qwe.Equals(item.zhanghao))
{
return item;
}
} return null;
}
//查询余额
public void cha()
{
Console.WriteLine("请输入账号");
string qwe = Console.ReadLine();
Console.WriteLine("请输入密码");
string zxc = Console.ReadLine();
User o = qaz(qwe, zxc);
if (o != null)
{
Console.WriteLine("账户的余额是{0:N}", o.cunkuan);
fuwu();
}
else
{
Console.WriteLine("当前用户不存在!");
fuwu();
}
}
//修改密码
public void mima()
{
Console.WriteLine("请输入账号");
string qwe = Console.ReadLine();
Console.WriteLine("请输入密码");
string zxc = Console.ReadLine();
User o = qaz(qwe, zxc);
if (o != null)
{
Console.WriteLine("请输入密码");
string zxc1 = Console.ReadLine();
Console.WriteLine("请输入密码");
string zxc2 = Console.ReadLine();
if (zxc.Equals(zxc1)&&zxc1.Equals(zxc2))
{
Console.WriteLine("请输入新密码！");
zxc = Console.ReadLine();
o.mima =zxc;
Console.WriteLine("修改密码成功！");
fuwu();
}
else
{
Console.WriteLine("两次用户不一致“");
}
}
else {
Console.WriteLine("当前用户不存在！");
}
}
}
}
银行类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication4
{
class Program
{
static void Main(string[] args)
{
Bank s = new Bank();
s.zhanghu();
s.fuwu();
}
}
}
主方法：：
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