2文件读写例题(文件复制1) 6.1 BOOL Copy(CString strSource, CString str Target) CFile fSource, f Target char C[4096];∥定义4k字节的缓冲区 nCount ∥打开文件 if (fSource Open(strSource, CFile: mode Read)) Message Box(Open Source File Fail return false: if (If Target. Open(str Target, CFile: mode Create CFile: modeWrite)) Message Box("Create Target File Fail Source. Close 0; return false6.1 2 文件读写例题（文件复制1） BOOL Copy(CString strSource, CString strTarget) { CFile fSource, fTarget; char c[4096]; //定义4k字节的缓冲区 nt nCount; //打开文件 if (!fSource.Open(strSource, CFile::modeRead)) { MessageBox(“Open Source File Fail!”); return false; } if (!fTarget.Open(strTarget, CFile::modeCreate | CFile::modeWrite)) { MessageBox(“Create Target File Fail!”); fSource.Close(); return false; } //读文件到缓冲区c