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practice_code/c/code/idea/bank/ATM/ATM_2.c

468 lines
19 KiB
C
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2023-12-07 21:45:29 +08:00
#include<stdio.h>
#include<stdlib.h>
int main ()
{
//初始化
int account_1 , password_1 , password_2 = 0 , password_3 = 0 , account_2 = 0 , password_4 = 0; //账号;登录密码,取款密码,登录检查密码,检查登录账户,修改密码判断是不是6位
char tab_1; //用户是否同意进入
int tab_a = 0 , tab_b , tab_c , tab_d = 0 , tab_e , tab_f; //判断取款密码是否为6位数.判断取款密码是否为6位数,判断进入登录还是管理员,判断是否进入账户主页主页;账户主页选项;判断用户修改是否输入正确
int administration_password , administration_a; //管理员密码,判断管理员选项
double interest = 0 , capital = 10000 , money = 0 , interest_rate = 0.0175 , year = 0 , capital_1 = 0; //利息,本金,变动的钱,利率,年份,预测本金
//注册账户
printf ( "第一次使用需要注册账户 \n" );
printf ( "不同意输入N,输入其他代表同意 \n:" );
//获取用户是否同意进入
tab_1 = getchar ( );
if ( tab_1 == 'n' || tab_1 == 'N' )
{
return 1;
}
while ( getchar ( ) != '\n' ); //清楚缓存
//注册登录账户
printf ( "账户名(只支持数字):" );
while ( scanf ( "%d" , & account_1 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入合法的数字:" );
continue;
}
while ( getchar ( ) != '\n' ); //清楚缓存
//注册登录密码
printf ( "登录密码(只支持数字):" );
while ( scanf ( "%d" , & password_1 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入合法的数字:" );
continue;
}
while ( getchar ( ) != '\n' ); //清楚缓存
//注册取款密码
//注册取款密码
printf ( "取款密码(只支持6位数字):" );
while ( password_2 == 0 )
{
//判断是不是输入的数字
while ( scanf ( "%d" , & password_2 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入合法的数字:" );
continue;
}
tab_b = password_2;
//判断是否为6位数
while ( tab_b != 0 )
{
tab_b /= 10;
tab_a ++;
}
if ( tab_a != 6 )
{
printf ( "当前输入%d位,密码是6位数 \n请重新输入:" , tab_a );
password_2 = 0;
tab_a = 0;
continue;
}
if ( tab_a == 6 )
{
break;
}
}
while ( getchar ( ) != '\n' ); //清楚缓存
//提示用户输入成功
printf ( "创建成功 \n" );
printf ( "账户名:%d \n" , account_1 );
printf ( "密码:%d \n" , password_1 );
printf ( "密码:%d \n" , password_2 );
printf ( "初始金额为%lf \n" , capital );
//此层循环为主页面开始
while ( 1 )
{
printf ( "----银行主页----\n" );
printf ( "0.退出程序 \n" );
printf ( "1.登录银行账户 \n" );
printf ( "请输入数字:" );
scanf ( "%d" , & tab_c );
printf ( "----银行主页----\n" );
while ( getchar ( ) != '\n' ); //清楚缓存
//0退出
if ( tab_c == 0 )
{
printf ( "欢迎下次使用" );
return 1;
}
//获取是否输入正确
if ( tab_c != 0 && tab_c != 1 && tab_c != 2 )
{
printf ( "输入错误请重新输入 \n" );
continue;
}
//银行主页开始
while ( tab_c == 1 )
{
printf ( "需要登陆账号 \n" );
//获取用户账号
printf ( "请输入账号:" );
scanf ( "%d" , & account_2 );
while ( account_1 != account_2 ) //判断账户是否正确
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入正确的账号:" );
scanf ( "%d" , & account_2 );
}
//获取用密码
printf ( "请输入密码:" );
scanf ( "%d" , & password_3 );
while ( password_1 != password_3 ) //判断密码是否正确
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入正确的密码:" );
scanf ( "%d" , & password_3 );
}
// 正确的账号和密码
printf ( "登录成功!\n" );
tab_d = 1; //进入主页
//此层输出账户主页
while ( tab_d == 1 )
{
printf ( "----账户主页----\n" );
printf ( "0.退出程序 \n" );
printf ( "1.退出账户 \n" );
printf ( "2.存钱 \n" );
printf ( "3.取钱 \n" );
printf ( "4.查看余额 \n" );
printf ( "5.预测未来存款(当前利率为%.3lf) \n" , interest_rate );
printf ( "6.修改账号 \n" );
printf ( "7.修改密码 \n" );
printf ( "8.修改取款密码 \n" );
printf ( "请输入数字:" );
scanf ( "%d" , & tab_e );
printf ( "----账户主页----\n" );
while ( getchar ( ) != '\n' ); //清楚缓存
//重置判断
tab_f = 0;
tab_a = 0; //取款数字是否为6位
//选择开始
switch ( tab_e )
{
case 0:
{
printf ( "欢迎下次使用" );
return 1;
}
case 1:
{
tab_d = 0; //使不进入其他循环
tab_c = 999; //使不进入其他循环
printf ( "退出成功\n" );
while ( getchar ( ) != '\n' ); //清楚缓存
break;
}
case 2:
{
printf ( "请输入需要存入多少钱:" );
while ( scanf ( "%lf" , & money ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入合法的数字:" );
continue;
}
capital += money;
break;
}
case 3:
{
printf ( "请输入当前密码或取款密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 || password_3 != password_2 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "当密码错误,请重新输入:" );
continue;
}
printf ( "请输入需要取出多少钱:" );
while ( scanf ( "%lf" , & money ) != 1 || money > capital )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "数字不合法或本金不足,请重新输入:" );
continue;
}
capital -= money;
break;
}
case 4:
{
printf ( "当前余额为%.3lf: \n" , capital );
break;
}
case 5:
{
printf ( "请输入预测多少年后:" );
while ( scanf ( "%lf" , & year ) != 1 || year < 0 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "请输入合法的数字:" );
continue;
}
double interest = capital * interest_rate * year; // 计算利息
double capital_1 = capital + interest; // 计算预测余额
printf ( "预测%.0lf年后获得\n" , year );
printf ( "利息%.3lf\n" , interest );
printf ( "余额%.3lf \n" , capital_1 );
}
case 6:
{
//验证用户开始
while ( tab_f == 0 )
{
printf ( "需要验证用户\n输入0退出\n" );
printf ( "请输入当前登录账户名或取款密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "数字不合法或密码错误,请重新输入:" );
continue;
}
//检查是否退出
if ( password_3 == 0 )
{
printf ( "退出成功" );
tab_f = 1;
break;
}
//输入成功退出
if ( password_3 == password_2 || password_3 == account_1 )
{
printf ( "验证成功 \n" );
tab_f = 1;
break;
} else
{
printf ( "输入错误请重新输入 \n" );
continue;
}
}//验证用户结束
//修改新账户
while ( tab_a == 0 )
{
printf ( "请输入新账户名:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "非法数字,请重新输入:" );
continue;
}
//二次确认账户
printf ( "请二次输入你的账户名:" );
while ( scanf ( "%d" , & password_4 ) != 1 || password_4 != password_3 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "账户名不一样,请重新输入:" );
continue;
}
//退出循环
break;
}//修改新的账户结束
account_1 = password_3;
printf ( "修改账号成功" );
printf ( "当前账户名是%d" , account_1 );
break;
}
case 7:
{
//验证用户开始
while ( tab_f == 0 )
{
printf ( "需要验证用户\n输入0退出\n" );
printf ( "请输入当前登录密码或取款密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "数字不合法或密码错误,请重新输入:" );
continue;
}
//检查是否退出
if ( password_3 == 0 )
{
printf ( "退出成功" );
tab_f = 1;
break;
}
//输入成功退出
if ( password_3 == password_2 || password_3 == password_1 )
{
printf ( "验证成功 \n" );
tab_f = 1;
break;
} else
{
printf ( "输入错误请重新输入 \n" );
continue;
}
}//验证用户结束
//修改新密码
while ( tab_a == 0 )
{
printf ( "请输入新密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "非法数字,请重新输入:" );
continue;
}
//二次确认密码
printf ( "请二次输入你的密码:" );
while ( scanf ( "%d" , & password_4 ) != 1 || password_4 != password_3 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "密码不一样,请重新输入:" );
continue;
}
//退出循环
break;
}//修改新的密码结束
password_1 = password_3;
printf ( "修改账户密码成功" );
printf ( "当前密码为:%d" , password_1 );
break;
}
case 8:
{
//验证用户开始
while ( tab_f == 0 )
{
printf ( "需要验证用户\n输入0退出\n" );
printf ( "请输入当前取款密码或账户登录密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "数字不合法或密码错误,请重新输入:" );
continue;
}
//检查是否退出
if ( password_3 == 0 )
{
printf ( "退出成功" );
tab_f = 1;
break;
}
//输入成功退出
if ( password_3 == password_2 || password_3 == password_1 )
{
printf ( "验证成功 \n" );
tab_f = 1;
break;
} else
{
printf ( "输入错误请重新输入 \n" );
continue;
}
}//验证用户结束
//修改新密码
while ( tab_a != 6 )
{
printf ( "请输入新密码:" );
while ( scanf ( "%d" , & password_3 ) != 1 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "非法数字,请重新输入:" );
continue;
}
//判断是否为6位数
tab_a = 0;//初始化判断
//为了防止刚刚的密码没有了
password_4 = password_3;
while ( password_4 != 0 )
{
password_4 /= 10;
tab_a ++;
}
if ( tab_a != 6 )
{
printf ( "当前输入%d位,密码是6位数 \n请重新输入\n" , tab_a );
continue;
}
if ( tab_a == 6 )
{
printf ( "请二次输入你的密码:" );
while ( scanf ( "%d" , & password_4 ) != 1 || password_4 != password_3 )
{
while ( getchar ( ) != '\n' ); //清楚缓存
printf ( "密码不一样,请重新输入:" );
continue;
}
if ( password_4 == password_3 )
{
break;
}
break;
}//修改新的密码结束
}
password_2 = password_3;
printf ( "修改取款密码成功" );
printf ( "当前密码为:%d \n" , password_2 );
break;
}
default: //输入了其他
{
printf ( "输入错误,请重新输入 \n" );
while ( getchar ( ) != '\n' ); //清楚缓存
break;
}
}//选择结束
}
}//银行主页结束
}//此层循环为主页面结束
return 0;
}
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