能读写excel文件,支持excel2003和exel2007文件,在bcb6中编译通过.在vc6中头文件目录大概如下:include:LIBOPC_TESTlibopc_test\configlibopc_test\config\win32-msvc\libxml2-2.7.7libxml2-2.7.7.win32\includelibopc_test\plib\config\msvc\plib\includelibopc_vc6\includeLIBXML2-2.7.7\INCLUDElib:LIBOPC_VC6