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熊熊大叔 2014-04-01
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输入用getch()
剩下的就是对特殊ascii的处理了
包括输入你会用到方向键的ascii, 输出会用到空格和backspace
赵4老师 2014-04-01
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waterSStreaming 2014-04-01
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牛
waterSStreaming 2014-04-01
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#include <cstdio>
#include <iostream>
#include <conio.h>
#include <Windows.h>
const int KEY_UP = 72;
const int KEY_LEFT = 75;
const int KEY_RIGHT = 77;
const int KEY_DOWN = 80;
const int P_MAX = 20;
inline int imax(int a, int b)
{
return a > b ? a : b;
}
inline int imin(int a, int b)
{
return a < b ? a : b;
}
int main()
{
char c = 'O';
char blank = ' ';
int code0 = 0;
int code1 = 0;
int px = 10;
int py = 10;
COORD position;
position.X = 10;
position.Y = 10;
/* Output the char at initial position. */
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), position);
std::cout << c;
while(true)
{
code0 = (int)_getch();
if(code0 != 224)
{
continue;
}
code1 = (int)_getch();
switch(code1)
{
case KEY_UP:
py = imax(0, py - 1);
break;
case KEY_LEFT:
px = imax(0, px - 1);
break;
case KEY_RIGHT:
px= imin(P_MAX, px + 1);
break;
case KEY_DOWN:
py = imin(P_MAX, py + 1);
break;
default:
break;
}
position.X = px;
position.Y = py;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), position);
/* Output the char at the new position. */
std::cout << c;
}
return 0;
}
赵4老师 2014-04-01
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#include <conio.h>
#include <windows.h>
void ConPrintAt(int x, int y, char *CharBuffer, int len)
{
DWORD count;
COORD coord = {x, y};
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(hStdOut, coord);
WriteConsole(hStdOut, CharBuffer, len, &count, NULL);
}
void HideTheCursor()
{
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor))
{
cciCursor.bVisible = FALSE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
void ShowTheCursor()
{
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor))
{
cciCursor.bVisible = TRUE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
void GetWH(int *w,int *h) {
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(hStdOut, &csbi)) {
*w=csbi.srWindow.Right;
*h=csbi.srWindow.Bottom;
} else {
*w=80;
*h=25;
}
}
void ClearConsole()
{
//Get the handle to the current output buffer...
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
//This is used to reset the carat/cursor to the top left.
COORD coord = {0, 0};
//A return value... indicating how many chars were written
// not used but we need to capture this since it will be
// written anyway (passing NULL causes an access violation).
DWORD count;
//This is a structure containing all of the console info
// it is used here to find the size of the console.
CONSOLE_SCREEN_BUFFER_INFO csbi;
//Here we will set the current color
if(GetConsoleScreenBufferInfo(hStdOut, &csbi))
{
//This fills the buffer with a given character (in this case 32=space).
FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
//This will set our cursor position for the next print statement.
SetConsoleCursorPosition(hStdOut, coord);
}
}
int main() {
unsigned short k;
int x,y,w,h;
SetConsoleOutputCP(437);
ClearConsole();
GetWH(&w,&h);
x=w/2;y=h/2;
HideTheCursor();
ConPrintAt(x,y,"\xdb",1);
while (1) {
Sleep(50);
k=getch();
if (27==k) break;//按Esc键退出
if (0==k||0xe0==k) k|=getch()<<8;//非字符键
switch (k) {
case 0x48e0:case 0x04800://上
if (y>0) {
ConPrintAt(x,y," ",1);
y--;
ConPrintAt(x,y,"\xdb",1);
}
break;
case 0x50e0:case 0x05000://下
if (y<h) {
ConPrintAt(x,y," ",1);
y++;
ConPrintAt(x,y,"\xdb",1);
}
break;
case 0x4be0:case 0x04b00://左
if (x>0) {
ConPrintAt(x,y," ",1);
x--;
ConPrintAt(x,y,"\xdb",1);
}
break;
case 0x4de0:case 0x04d00://右
if (x<w-1) {
ConPrintAt(x,y," ",1);
x++;
ConPrintAt(x,y,"\xdb",1);
}
break;
}
// cprintf("%04x pressed.\r\n",k);
}
ClearConsole();
ShowTheCursor();
return 0;
}
ooolinux 2014-04-01
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以前纯DOS下Turbo C有屏幕输出函数，可以把一个字符串输出到屏幕指定位置，不知道在Windows下控制台方式可不可以。
