艾达的小刀
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
/*随机码产生函数*/
void RandomCode (char Rcode[])
{
int i;
srand ((
unsigned int)time(NULL));
for (i = 0; i < 3; ++i)
Rcode[i] = rand()%10 + '0';
Rcode[i] = '\0';
}
/*登陆函数,判断信息是否匹配,若匹配返回1,否则返回0*/
int LandedApp (char *password[], char Rcode[])
{
char name[10] = {0};
char pword[10] = {0};
char rcode[4] = {0};
printf ("
用户名 : ");
gets (name);
printf ("密码 : ");
gets (pword);
printf ("随机码 : ");
gets (rcode);
if (strcmp (name, password[0]) != 0 || strcmp (pword, password[1]) != 0 || strcmp (rcode, Rcode) != 0)
return 0;
else
return 1;
}
int main ()
{
char * password[2] = {"admin", "admin123"}; //用户名和密码
char rc[4] = {0}; //随机码
int count = 3; //可输入次数
puts ("请输入用户名,密码和随机码:");
while (count)
{
RandomCode (rc);
printf ("随机码 : %s\n", rc);
if (LandedApp(password, rc) != 0)
break;
--count;
if (count != 0)
puts ("错误的用户名或密码或随机码,请重新输入: ");
}
if (count != 0)
puts ("\n成功登陆!");
else
puts ("\n登录失败 !");
return 0;
}
艾达的小刀