#include?<stdlib.h>
#include?"string.h"
#include?"windows.h"
int?total=0;
struct?u_p
{
char?user[20];
char?pass[20];
}?s[50];
void?read()
{
total=GetPrivateProfileInt("INFO","count",0,"d:\\Info.dat");
int?i;
char?t[5]={"\0"};
for(i=0;i<total;i++)
{
sprintf(t,"%d",i+1);
GetPrivateProfileString(t,"USER","",s[i].user,20,"d:\\Info.dat");
GetPrivateProfileString(t,"PASSWORD","",s[i].pass,20,"d:\\Info.dat");
}
}
void?input()
{
int?p,i=0,count=0,f_u=0,f_p=0;
char?user[20]={"\0"};
char?password[20]={"\0"};
while(1)
{
f_u=0;
f_p=0;
system("cls");
printf("當前***有%d個註冊用戶",total);?
printf("\n\n請輸入用戶名：");
memset(user,'\0',20);
scanf("%s",user);
printf("\n請輸入密碼：");
memset(password,'\0',20);
i=0;
while(1)
{
p=_getch();
if(p==10?||?p==13)
{
break;
}
password[i++]=p;
printf("*");
}
for(i=0;i<total;i++)
{
if(strcmp(s[i].user,user)==0)
{
f_u=1;
if(strcmp(s[i].pass,password)==0)
{
f_p=1;
printf("\n\n歡迎?%s",user);
fflush(stdin);
_getche();
continue;
}
}
}
if(f_u==0)
{
printf("\n\n不存在該用戶名！?選?1?重新輸入，選?2?註冊新用戶");
int?c=0;
fflush(stdin);
c=_getche();
if(c=='1')
{
continue;
}
else?if(c=='2')
{
system("cls");
printf("註冊新用戶");
printf("\n\n\n請輸入用戶名：");
memset(user,'\0',20);
scanf("%s",user);
printf("\n請輸入密碼：");
char?temp[20]={"\0"}?;
i=0;
while(1)
{
p=_getch();
if(p==10?||?p==13)
{
break;
}
temp[i++]=p;
printf("*");
}
printf("\n請再次輸入密碼：");
i=0;
memset(password,'\0',20);
while(1)
{
p=_getch();
if(p==10?||?p==13)
{
break;
}
password[i++]=p;
printf("*");
}
if(strcmp(temp,password)==0)
{
total++;
char?t[5]={"\0"};
sprintf(t,"%d",total);
WritePrivateProfileString("INFO","count",t,"d:\\Info.dat");
WritePrivateProfileString(t,"USER",user,"d:\\Info.dat");
WritePrivateProfileString(t,"PASSWORD",password,"d:\\Info.dat");
printf("\n\n註冊成功，請重新登錄");
fflush(stdin);
_getch();
count=0;
read();
continue;?
}
else
{
printf("\n\n兩次密碼不壹致，註冊失敗");
fflush(stdin);
_getch();
count=0;
continue;?
}
}
}
else?if(f_p==0)
{
count++;?
if(count>=3)
{
printf("\n\n連續輸入3次錯誤，程序將退出");
fflush(stdin);
_getche();
return?;?
}
printf("\n\n密碼輸入錯誤，請重新輸入");
fflush(stdin);
_getche();
}
}
return?;
}
int?main(int?argc,?char?*argv[])?
{
read();
input();
return?0;
}