#include
#include
#define LINE "=========================\n"
#define KEY "123456"
#define accounts "123456789"
int main()
{
//设置变量
int num;//用户选项
int m=5000;//账号初始金额
char key[6];//密码
int re;
char a[10];//用户输入账号
int cishu=0;//输入密码次数
int i = 0;
char key1[6];//新密码
//密码输入
do
{
printf("请输入密码: \n");
scanf("%s",key);
re = strcmp(KEY,key);
if(re==0)
{ printf("密码正确，登陆成功！^-^ \n");break;}
else{ printf("密码错误，你还有%d次机会!\n",3-cishu);}
cishu++;
}
while(re!=0&&cishu<=3);
//密码输入3次后结束程序
if(cishu>3)
{ return 0;}
do
{
//设置用户界面
printf(LINE);
printf("\t1.取款\n",num);
printf("\t2.存款\n",num);
printf("\t3.转账\n",num);
printf("\t4.修改密码\n",num);
printf("\t5.查询余额\n",num);
printf("\t6.退出\n",num);
printf(LINE);
//用户选择操作
printf("请选择交易类型: ");
scanf("%d",&num);
//判断用户选择交易
switch(num)
{
int m1;//取款金额
int m2;//存款金额
int m3;//转账金额
char key1[6];//新密码
int m5;//查询余额
//取款
case 1:printf("你需要提取的金额: \n",m1);
scanf("%d",&m1);
if(m<m1)
{ printf("你的余额不足! \n");m=m-m1;break;}
else{ printf("请提取现金!\n");m=m-m1;break;}
//存款
case 2:
do
{ printf("请输入你要存入的账号: ");
scanf("%s",a);
re = strcmp(accounts,a);
if(re==0)
{ printf("账号正确！^-^ \n");break;}
else{ printf("请重新输入账号!\n");}
}
while(re!=0&&cishu<=3);
printf("请输入你要存入的金额: \n",m2);
scanf("%d",&m2);
printf("你已成功向%s账号存入%d\n",a,m2);
break;
//转账
case 3:
do
{ printf("请输入你要转入的账号: ");
scanf("%s",a);
re = strcmp(accounts,a);
if(re==0)
{ printf("账号正确!^-^ \n");break;}
else{ printf("请重新输入账号!\n");}
}
while(re!=0&&cishu<=3);
printf("请输入你要转入的金额: \n",m3);
scanf("%d",&m3);
if(m<m3)
{ printf("你的余额不足,无法进行转账! \n");break;}
else
{ printf("转账成功!^-^\n"); break;}
case 4:
do
{
printf("请输入原密码：");
scanf("%s",key);
re = strcmp(KEY,key);
if(re == 0){
printf("密码验证正确！");
break;
} else {
printf("请重新输入原密码：");
}
} while (re != 0 );
printf("请输入新密码：");
scanf("%s",key1);
key=key1;（就是这里，怎么写都错）
printf("恭喜你，密码修改成功！");
break;
