C++模拟键盘按键的实例

keybd_event(VK_RETURN,0,0,0);keybd_event(VK_RETURN,0,KEYEVENTF_KEYUP,0);

#include<iostream>#include<windows.h> using namespace std; int b[11000],top=0;char a[10];bool f=true;  int main(){	int n,num;	//初始化 	a[0]='0';	a[1]='1';	a[2]='2';	a[3]='3';	a[4]='4';	a[5]='5';	a[6]='6';	a[7]='7';	a[8]='8';	a[9]='9';		while(1){		cout<<"请输入刷屏次数：";		cin>>n;		cout<<"请输入间隔时间(单位:毫秒 1000毫秒=1秒)：";		cin>>num;		if_return:		cout<<"是否需要前导回车？ 1.yes 2.no"<<endl;		int k;		cin>>k;		if(k==1){			f=true;		}		else if(k==2){			f=false;		}		else{			cout<<"输入错误！"<<endl;			goto if_return;//比较乱的但是很方便的循环 		}		cout<<"请把光标移动到输入框"<<endl;		Sleep(2000);		mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);		mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);//模拟单击鼠标左键 		cout<<"请等待三秒。。。"<<endl;		Sleep(1000);		cout<<"3"<<endl;		Sleep(1000);		cout<<"2"<<endl;		Sleep(1000);		cout<<"1"<<endl;		for(int i=1; i<=n; i++){			if(f==true){				keybd_event(VK_RETURN,0,0,0);				keybd_event(VK_RETURN,0,KEYEVENTF_KEYUP,0);			} 			int x=i;			while(x>0){				b[top++]=x%10;				x/=10;			}			top--;			for(int j=top; j>=0; j--){				keybd_event(a[b[j]],0,0,0);				keybd_event(a[b[j]],0,KEYEVENTF_KEYUP,0);//模拟按下某个数字键 			}			top=0;			keybd_event(VK_RETURN,0,0,0);			keybd_event(VK_RETURN,0,KEYEVENTF_KEYUP,0);//模拟按下回车键 			Sleep(num);		}		putchar(7);		system("cls");//清屏 	}			return 0;}