//example for CFile::Open CFile f; CFileException e; char* pFileName = "test.dat"; if( !f.Open( pFileName, CFile::modeCreate | CFile::modeWrite, &e ) ) { #ifdef _DEBUG afxDump << "File could not be opened " << e.m_cause << "\n"; #endif }//A second example for CFile::Open. //This console program uses CFile to copy binary files.#include <afx.h> #include <afxwin.h> #include <iostream>using namespace std;CWinApp theApp;int main(int argc, char *argv[]) { if (!AfxWinInit(GetModuleHandle(NULL), NULL, GetCommandLine(), 0)) { cout << "panic: MFC couldn't initialize!" << endl; return 1; } // constructing these file objects doesn't open them CFile sourceFile; CFile destFile; // see that we have a reasonable number of arguments if (argc != 3) { cout << "usage: " << argv[0]; cout << " <source> <dest>" << endl; cout << endl; return 1; } // we'll use a CFileException object to get error information CFileException ex; // open the source file for reading if (!sourceFile.Open(argv[1], CFile::modeRead | CFile::shareDenyWrite, &ex)) { // complain if an error happened // no need to delete the ex object TCHAR szError[1024]; ex.GetErrorMessage(szError, 1024); cout << "Couldn't open source file: "; cout << szError; return 1; } else { if (!destFile.Open(argv[2], CFile::modeWrite | CFile::shareExclusive | CFile::modeCreate, &ex)) { TCHAR szError[1024]; ex.GetErrorMessage(szError, 1024); cout << "Couldn't open source file: "; cout << szError; sourceFile.Close(); return 1; } BYTE buffer[4096]; DWORD dwRead; // Read in 4096-byte blocks, // remember how many bytes were actually read, // and try to write that many out. This loop ends // when there are no more bytes to read. do { dwRead = sourceFile.Read(buffer, 4096); destFile.Write(buffer, dwRead); } while (dwRead > 0); // Close both files destFile.Close(); sourceFile.Close(); } return 0; }
CFile f;
CFileException e;
char* pFileName = "test.dat";
if( !f.Open( pFileName, CFile::modeCreate | CFile::modeWrite, &e ) )
{
#ifdef _DEBUG
afxDump << "File could not be opened " << e.m_cause << "\n";
#endif
}//A second example for CFile::Open.
//This console program uses CFile to copy binary files.#include <afx.h>
#include <afxwin.h>
#include <iostream>using namespace std;CWinApp theApp;int main(int argc, char *argv[])
{
if (!AfxWinInit(GetModuleHandle(NULL), NULL, GetCommandLine(), 0))
{
cout << "panic: MFC couldn't initialize!" << endl;
return 1;
} // constructing these file objects doesn't open them CFile sourceFile;
CFile destFile; // see that we have a reasonable number of arguments if (argc != 3)
{
cout << "usage: " << argv[0];
cout << " <source> <dest>" << endl;
cout << endl;
return 1;
} // we'll use a CFileException object to get error information CFileException ex; // open the source file for reading if (!sourceFile.Open(argv[1],
CFile::modeRead | CFile::shareDenyWrite, &ex))
{
// complain if an error happened
// no need to delete the ex object TCHAR szError[1024];
ex.GetErrorMessage(szError, 1024);
cout << "Couldn't open source file: ";
cout << szError;
return 1;
}
else
{
if (!destFile.Open(argv[2], CFile::modeWrite |
CFile::shareExclusive | CFile::modeCreate, &ex))
{
TCHAR szError[1024];
ex.GetErrorMessage(szError, 1024);
cout << "Couldn't open source file: ";
cout << szError; sourceFile.Close();
return 1;
} BYTE buffer[4096];
DWORD dwRead; // Read in 4096-byte blocks,
// remember how many bytes were actually read,
// and try to write that many out. This loop ends
// when there are no more bytes to read. do
{
dwRead = sourceFile.Read(buffer, 4096);
destFile.Write(buffer, dwRead);
}
while (dwRead > 0); // Close both files destFile.Close();
sourceFile.Close();
} return 0;
}
extern CFile cfile;
char pbuf[100];
cfile.Write( pbuf, 100 );
2) getWindowText() 取得内容sContent后,建立新文本文件*.txt,把sConten写入到文件中