user-0 提问: 本人新手  求大神帮助

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user: user-1
content: 仅供参考：#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;     char d;      SetConsoleOutputCP(437);     ClearConsole();     GetWH(&w,&h);     x=w/2;y=h/2;     HideTheCursor();     ConPrintAt(x,y,"O",1);     d='o';     while (1) {         Sleep(50);         if (kbhit()) {             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                     d='u';                     if (y>0) {                         ConPrintAt(x,y," ",1);                         y--;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 0x50e0:case 0x05000://下                     d='d';                     if (y<h) {                         ConPrintAt(x,y," ",1);                         y++;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 0x4be0:case 0x04b00://左                     d='l';                     if (x>0) {                         ConPrintAt(x,y," ",1);                         x--;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 0x4de0:case 0x04d00://右                     d='r';                     if (x<w-1) {                         ConPrintAt(x,y," ",1);                         x++;                         ConPrintAt(x,y,"O",1);                     }                 break;             } //          cprintf("%04x pressed.\r\n",k);         } else {             switch (d) {                 case 'u':                     if (y>0) {                         ConPrintAt(x,y," ",1);                         y--;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 'd':                     if (y<h) {                         ConPrintAt(x,y," ",1);                         y++;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 'l':                     if (x>0) {                         ConPrintAt(x,y," ",1);                         x--;                         ConPrintAt(x,y,"O",1);                     }                 break;                 case 'r':                     if (x<w-1) {                         ConPrintAt(x,y," ",1);                         x++;                         ConPrintAt(x,y,"O",1);                     }                 break;             }         }     }     ClearConsole();     ShowTheCursor();     return 0; }