C语言实现的光标移动控制（原创）

/* * JR_Cursor.c (1.0) * Console光标的操作 * * By Eric-JR Chen * 2011-2-16 */ #include "JR_Cursor.h" #include <windows.h> /* 将光标移到指定位置 */ void JR_SetCursor(int x, int y){ HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); COORD pos = {x, y}; SetConsoleCursorPosition(hOut, pos); } /* 将光标移到左上角 */ void JR_SetCursorStart(){ JR_SetCursor(0, 0); } /* 将光标向右移动N列 */ void JR_SetCursorRight(int n){ COORD pos= {0, 0}; HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); PCONSOLE_SCREEN_BUFFER_INFO cinfo = malloc(sizeof(PCONSOLE_SCREEN_BUFFER_INFO)); GetConsoleScreenBufferInfo(hOut, cinfo); pos.X = cinfo->dwCursorPosition.X + n; pos.Y = cinfo->dwCursorPosition.Y; SetConsoleCursorPosition(hOut, pos); free(cinfo); } /* 将光标向左移动N列 */ void JR_SetCursorLeft(int n){ COORD pos= {0, 0}; HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); PCONSOLE_SCREEN_BUFFER_INFO cinfo = malloc(sizeof(PCONSOLE_SCREEN_BUFFER_INFO)); GetConsoleScreenBufferInfo(hOut, cinfo); pos.X = cinfo->dwCursorPosition.X - n; pos.Y = cinfo->dwCursorPosition.Y; SetConsoleCursorPosition(hOut, pos); free(cinfo); } /* 将光标向上移动N行 */ void JR_SetCursorUp(int n){ COORD pos= {0, 0}; HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); PCONSOLE_SCREEN_BUFFER_INFO cinfo = malloc(sizeof(PCONSOLE_SCREEN_BUFFER_INFO)); GetConsoleScreenBufferInfo(hOut, cinfo); pos.X = cinfo->dwCursorPosition.X; pos.Y = cinfo->dwCursorPosition.Y - n; SetConsoleCursorPosition(hOut, pos); free(cinfo); } /* 将光标向下移动N行 */ void JR_SetCursorDown(int n){ COORD pos= {0, 0}; HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); PCONSOLE_SCREEN_BUFFER_INFO cinfo = malloc(sizeof(PCONSOLE_SCREEN_BUFFER_INFO)); GetConsoleScreenBufferInfo(hOut, cinfo); pos.X = cinfo->dwCursorPosition.X; pos.Y = cinfo->dwCursorPosition.Y + n; SetConsoleCursorPosition(hOut, pos); free(cinfo); }