系统API函数获取系统时间

#include <iostream>
#include <windows.h> 
using namespace std;   
int main() 
{      
	//SYSTEMTIME是windows.h中定义的结构体类型  
	SYSTEMTIME sys;       
	//GetLocalTime是windows.h中提供的方法     
	GetLocalTime( &sys );      
	cout << sys.wYear << "\\" << sys.wMonth << "\\" << sys.wDay << " "     << sys.wHour << ":" << sys.wMinute << ":" << sys.wSecond << "." << sys.wMilliseconds << " " << "星期" << sys.wDayOfWeek << endl;  
return 0; 
}