VC 读取EXCEL文件,网上大多用ODBC或OLE方式进行读取，但这两种方法都具有局限性,本原码在分析Excel文件格式的基础上从底层编写代码.-VC read Excel documents, mostly online using ODBC or OLE manner read, But both methods have limitations, primitive code in Excel file format on the basis of the preparation of