自动关机 C语言源代码,短小精悍,几乎不占资源。使用便捷!

#include

#include

#include

#include

#include

long int o,e;

struct t{

int hours,minutes,seconds;

int hscd;

}timez,times;

void update(){ //每次调用update函数，相当于时间过了l0ms

times.hscd++;

if (times.hscd==l00)

{

times.hscd=0;

times.seconds++;

}

if (times.seconds==60)

{

times.seconds=0;

times.minutes++;

}

if (times.minutes==60)

{

times.minutes=0;

times.hours++;

}

if(times.hours==24) times.hours=0;

}

int main()

{

short int i=0;

int n,m,hour,min,sec,kill;

time_t tl;

struct tm *tmptr;

char mark;

reset:

printf("请选择关机模式：l定时 2倒计时\n");

while(!((mark=getch())=='l'||mark=='2'));

if(mark=='l'){

do{

printf("选择了模式l\n请输入关机时间：格式为 时:分:秒\n\t\t\t\t\t\t\tBY Starting\n");

kill=scanf("%d:%d:%d",&timez.hours,&timez.minutes,&timez.seconds);

fflush(stdin);

}while(timez.minutes>59||timez.seconds>59||timez.hours>23||kill!=3);

system("CLS");

printf("模式l：\n将于%d时%d分%d秒关机\n",timez.hours,timez.minutes,timez.seconds);

time(&tl);

tmptr=localtime(&tl);

hour=tmptr->tm_hour;

min=tmptr->tm_min;

sec=tmptr->tm_sec;

if(timez.seconds-sec<0) {timez.seconds+=60;timez.minutes--;}

if(timez.minutes-min<0) {timez.minutes+=60;timez.hours--;}

if(timez.hours-hour<0) {timez.hours+=24;}

n=3600*(timez.hours-hour)+60*(timez.minutes-min)+(timez.seconds-sec);

printf("开始倒计时:\n\t\t\t\t\t\t\tBY Starting\n");

}

else{

do{

printf("选择了模式2\n请输入关机倒计时:格式为 时:分:秒\n\t\t\t\t\t\t\tBY Starting\n");

kill=scanf("%d:%d:%d",&timez.hours,&timez.minutes,&timez.seconds);

fflush(stdin);

}while(timez.minutes>59||timez.seconds>59||kill!=3);

n=3600*timez.hours+60*timez.minutes+timez.seconds;

system("CLS");

printf("模式2：\n开始倒计时:\n\t\t\t\t\t\t\tBY Starting\n");

}

o=0;

timez.hscd=l00;

times.hours=times.minutes=times.seconds=times.hscd=0;

printf("按ESC退出，r键重设时间\n");

while(l){

if(kbhit()){ //此处检查是否有键盘输入

switch(getch()){

case 27:exit(0);

case 'R':;

case 'r':system("CLS");goto reset;

default:printf("错误指令 \n");

}

}

e=clock();

if(o==0) o=e-5;

e=e-o;

_asm{

push EAX

push e

pop i

pop ax

pop EAX

}

Sleep(l0);

o=clock();

update();

m=3600*times.hours+60*times.minutes+times.seconds;

if(n>m)

printf("关机倒计时 %d:%d:%d \r",(n-m)/3600,((n-m)%3600)/60,((n-m)%3600)%60);

else{

printf("关机倒计时 %d:%d:%d \r",0,0,0);

system("shutdown -s -t l");

printf("\n正在关机 ");

//getch();

break;

}

}

}