[C language] shutdown game [loop and switch statement]

One 、 Code implementation

One, two, three ！ Code up ！

//goto Small application of statement 
// Shutdown games 
// Implementation method 1：goto sentence 
#include <stdio.h>
int main()
{
    
	char input[10] = {
     0 };
	system("shutdown -s -t 60");
again:
	printf(" The computer will be in 1 Shut down in minutes , If input ： I am a pig , Just cancel the shutdown !\n Please enter :>");
	scanf("%s", input);
	if (0 == strcmp(input, " I am a pig "))
	{
    
		system("shutdown -a");
	}
	else
	{
    
		goto again;
	}
	return 0;
}

// Implementation method 2： loop 
#include <stdio.h>
#include <stdlib.h>
int main()
{
    
	char input[10] = {
     0 };
	system("shutdown -s -t 60");
	while (1)
	{
    
		printf(" The computer will be in 1 Shut down in minutes , If input ： I am a pig , Just cancel the shutdown !\n Please enter :>");
		scanf("%s", input);
		if (0 == strcmp(input, " I am a pig "))
		{
    
			system("shutdown -a");
			break;
		}
	}
	return 0;
}

notes ： Call up before compiling and running cmd Command window , Otherwise, it will not have the desired effect . in addition , The countdown time can be flexibly controlled by yourself , The unit is seconds

Two 、 Add

1.shutdown Instructions

Windows The system comes with a name Shutdown.exe The program , Can be used for shutdown operations （ Position in Windows[System32](https://baike.baidu.com/item/System32/7268040) Next ）, In general Windows The shutdown of the system can be done by calling the program shutdown.exe To achieve , The program can also be used to terminate planned shutdown operations .

Relevant operation instructions

shutdown -a　 Cancel shutdown

shutdown -s To turn it off

shutdown -f　 Forcibly close the application

shutdown -m \ Computer name 　 Control remote computer

shutdown -i　 Show “ Remote shutdown ” Graphical user interface , But it has to be Shutdown The first parameter of

shutdown -l　 Logout the current user

shutdown -r　 Shut down and restart

shutdown -s -t Time 　 Set shutdown countdown

shutdown -r -t Time Set restart countdown

shutdown -h Sleep

2.cmd Instructions

cmd Microsoft's Windows The command line program of the system , Is a link to the command prompt window . adopt cmd The command enters the command prompt window , Will be displayed Windows Version and copyright information . By using cmd Commands can easily access other sub applications .