System O File类的主要属性和方法 Copy(sFile, dFile) Copy(sFile, dFile, overwrite) Creat(path) Create(path, buffer Size) Delete(path) Open(path, mode) Open(path, mode, access & Open(path, mode, access, share) A Move(sourceFile, destFileSystem.IO.File类的主要属性和方法 ♣Copy(sFile, dFile) ♣Copy(sFile, dFile, overwrite) ♣Creat(path) ♣Create(path, bufferSize) ♣Delete(path) ♣Open(path,mode) ♣Open(path,mode,access) ♣Open(path, mode, access, share) ♣Move(sourceFile,destFile)