一个菜鸟的问题

[RookieStar]

如何在VC++ 6.0中实现清屏？

[efanl]

当然，也可以输出25个空行，呵呵呵……

[diabloqin]

up

[efanl]

system ("cls");

[efanl]

或者把下面程序存成一个头文件，以后就可以调用clrscr ()清屏了

#ifndef _MY_CONIO_H_FILE_INCLUDED
#define _MY_CONIO_H_FILE_INCLUDED

#include<stdio.h>
#include<conio.h>
#include<windows.h>

#define PERR(bSuccess,api) {if(!(bSuccess)) printf("%s:Error %d from %s on line %d\n",\
__FILE__,GetLastError(),api,__LINE__);}

void MyCls(HANDLE);
void GotoConsoleXY(HANDLE,int,int);

inline void clrscr(void)
{
HANDLE hStdOut=GetStdHandle(STD_OUTPUT_HANDLE);
MyCls(hStdOut);
return;
}

inline void gotoxy(int x,int y)
{
HANDLE hStdOut=GetStdHandle(STD_OUTPUT_HANDLE);
GotoConsoleXY(hStdOut,x,y);
return;
}

void MyCls(HANDLE hConsole)
{
COORD coordScreen={0,0};//设置清屏后光标返回的屏幕左上角坐标
BOOL bSuccess;
DWORD cCharsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi;//保存缓冲区信息

DWORD dwConSize;//当前缓冲区可容纳的字符数

bSuccess=GetConsoleScreenBufferInfo(hConsole,&csbi);//获得缓冲区信息
PERR(bSuccess,"GetConsoleScreenBufferInfo");
dwConSize=csbi.dwSize.X * csbi.dwSize.Y;//缓冲区容纳字符数目

//用空格填充缓冲区
bSuccess=FillConsoleOutputCharacter(hConsole,(TCHAR)' ',dwConSize,coordScreen,&cCharsWritten);
PERR(bSuccess,"FillConsoleOutputCharacter");

bSuccess=GetConsoleScreenBufferInfo(hConsole,&csbi);//获得缓冲区信息
PERR(bSuccess,"ConsoleScreenBufferInfo");

//填充缓冲区属性
bSuccess=FillConsoleOutputAttribute(hConsole,csbi.wAttributes,dwConSize,coordScreen,&cCharsWritten);
PERR(bSuccess,"FillConsoleOutputAttribute");

//光标返回屏幕左上角坐标
bSuccess=SetConsoleCursorPosition(hConsole,coordScreen);
PERR(bSuccess,"SetConsoleCursorPosition");
return;
}

void GotoConsoleXY(HANDLE hConsole,int x,int y)
{
COORD coordScreen={x,y};
SetConsoleCursorPosition(hConsole,coordScreen);
return;
}

#endif //_MY_CONIO_H_FILE_INCLUDED