宾格砖家
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这是tongji university online judge的一道题，现在这个题库已经没有了，我把原题贴出来，你就知道这个程序什么意思了Problem一个简单的行编辑程序的功能是：接受用户从终端输入的程序或数据，并存入用户的数据区。 由于用户在终端上进行输入时，不能保证不出差错，因此，若在编辑程序中，“每接受一个字符即存入用户数据区”的做法显然不是最恰当的。较好的做法是，设立一个输入缓冲区，用以接受用户输入的一行字符，然后逐行存入用户数据区。允许用户输入出差错，并在发现有误时可以及时更正。例如，当用户发现刚刚键入的一个字符是错的时，可补进一个退格符"#"，以表示前一个字符无效； 如果发现当前键入的行内差错较多或难以补救，则可以键入一个退行符"@"，以表示当前行中的字符均无效。 如果已经在行首继续输入'#'符号无效。 Input输入一个多行的字符序列。但行字符总数（包含退格符和退行符）不大于250。 Output按照上述说明得到的输出。 Sample Inputwhli##ilr#e(s#*s) outcha@putchar(*s=#++);Sample Outputwhile(*s)putchar(*s++);
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你去天空华军下载个:易语言汉语编程里面有个:记事本,是源代码,你看一下,非常简单的
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一个简单的文本编辑器。(是在DEV C++下写的）//头文件//h#define CM_FILE_SAVEAS 9072#define CM_FILE_EXIT 9071#define CM_FILE_OPEN 9070#define CM_ABOUT 9069//主程序文件///*****************************************************/#include
#pragma hdrstop#include "Mh"static char g_szClassName[] = "MyWindowClass";static HINSTANCE g_hInst = NULL;#define IDC_MAIN_TEXT 1001BOOL LoadFile(HWND hEdit, LPSTR pszFileName){ HANDLE hFile; BOOL bSuccess = FALSE; hFile = CreateFile(pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0); if(hFile != INVALID_HANDLE_VALUE) { DWORD dwFileSize; dwFileSize = GetFileSize(hFile, NULL); if(dwFileSize != 0xFFFFFFFF) { LPSTR pszFileText; pszFileText = (LPSTR)GlobalAlloc(GPTR, dwFileSize + 1); if(pszFileText != NULL) { DWORD dwRead; if(ReadFile(hFile, pszFileText, dwFileSize, &dwRead, NULL)) { pszFileText[dwFileSize] = 0; // Null terminator if(SetWindowText(hEdit, pszFileText)) bSuccess = TRUE; // It worked! } GlobalFree(pszFileText); } } CloseHandle(hFile); } return bSuccess;}BOOL SaveFile(HWND hEdit, LPSTR pszFileName){ HANDLE hFile; BOOL bSuccess = FALSE; hFile = CreateFile(pszFileName, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); if(hFile != INVALID_HANDLE_VALUE) { DWORD dwTextLength; dwTextLength = GetWindowTextLength(hEdit); if(dwTextLength > 0)// No need to bother if there's no { LPSTR pszText; pszText = (LPSTR)GlobalAlloc(GPTR, dwTextLength + 1); if(pszText != NULL) { if(GetWindowText(hEdit, pszText, dwTextLength + 1)) { DWORD dwWritten; if(WriteFile(hFile, pszText, dwTextLength, &dwWritten, NULL)) bSuccess = TRUE; } GlobalFree(pszText); } } CloseHandle(hFile); } return bSuccess;}BOOL DoFileOpenSave(HWND hwnd, BOOL bSave){ OPENFILENAME ofn; char szFileName[MAX_PATH]; ZeroMemory(&ofn, sizeof(ofn)); szFileName[0] = 0; lStructSize = sizeof(ofn); hwndOwner = hwnd; lpstrFilter = "Text Files (*xt)\0*xt\0All Files (**)\0**\0\0"; lpstrFile = szFileName; MaxFile = MAX_PATH; lpstrDefExt = "txt"; if(bSave) { Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT; if(GetSaveFileName(&ofn)) { if(!SaveFile(GetDlgItem(hwnd, IDC_MAIN_TEXT), szFileName)) { MessageBox(hwnd, "Save file ", "Error", MB_OK | MB_ICONEXCLAMATION); return FALSE; } } } else { Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY; if(GetOpenFileName(&ofn)) { if(!LoadFile(GetDlgItem(hwnd, IDC_MAIN_TEXT), szFileName)) { MessageBox(hwnd, "Load of file ", "Error", MB_OK | MB_ICONEXCLAMATION); return FALSE; } } } return TRUE;}LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam){ switch(Message) { case WM_CREATE: CreateWindow("EDIT", "", WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | ES_MULTILINE | ES_WANTRETURN, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hwnd, (HMENU)IDC_MAIN_TEXT, g_hInst, NULL); SendDlgItemMessage(hwnd, IDC_MAIN_TEXT, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), MAKELPARAM(TRUE, 0)); break; case WM_SIZE: if(wParam != SIZE_MINIMIZED) MoveWindow(GetDlgItem(hwnd, IDC_MAIN_TEXT), 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE); break; case WM_SETFOCUS: SetFocus(GetDlgItem(hwnd, IDC_MAIN_TEXT)); break; case WM_COMMAND: switch(LOWORD(wParam)) { case CM_FILE_OPEN: DoFileOpenSave(hwnd, FALSE); break; case CM_FILE_SAVEAS: DoFileOpenSave(hwnd, TRUE); break; case CM_FILE_EXIT: PostMessage(hwnd, WM_CLOSE, 0, 0); break; case CM_ABOUT: MessageBox (NULL, "File Editor for Windows !\n Using the Win32 API" , "A", 0); } break; case WM_CLOSE: DestroyWindow(hwnd); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd, Message, wParam, lParam); } return 0;}int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){ WNDCLASSEX WndClass; HWND hwnd; MSG Msg; g_hInst = hInstance; WndCbSize = sizeof(WNDCLASSEX); WndCstyle = 0; WndClpfnWndProc = WndProc; WndCbClsExtra = 0; WndCbWndExtra = 0; WndChInstance = g_hInst; WndChIcon = LoadIcon(NULL, IDI_APPLICATION); WndChCursor = LoadCursor(NULL, IDC_ARROW); WndChbrBackground = (HBRUSH)(COLOR_WINDOW+1); WndClpszMenuName = "MAINMENU"; WndClpszClassName = g_szClassName; WndChIconSm = LoadIcon(NULL, IDI_APPLICATION); if(!RegisterClassEx(&WndClass)) { MessageBox(0, "Window Registration Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK | MB_SYSTEMMODAL); return 0; } hwnd = CreateWindowEx( WS_EX_CLIENTEDGE, g_szClassName, "A File Program", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 320, 240, NULL, NULL, g_hInst, NULL); if(hwnd == NULL) { MessageBox(0, "Window Creation Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK | MB_SYSTEMMODAL); return 0; } ShowWindow(hwnd, nCmdShow); UpdateWindow(hwnd); while(GetMessage(&Msg, NULL, 0, 0)) { TranslateMessage(&Msg); DispatchMessage(&Msg); } return MwParam;}
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