直接通过odbc读写excel(Read and write directly through Excel ODBC).docVIP

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直接通过odbc读写excel(Read and write directly through Excel ODBC)

直接通过odbc读写excel(Read and write directly through Excel ODBC) Read and write the Excel table file directly through ODBC Translator: Xu Jingzhou (Original: Alexander, Mikula) Download the sample code for this article To read and write Excel table files directly through ODBC, you should first ensure that the DRIVER file EXCEL (*.XLS) has been installed in the ODBC that is already installed with the Excel table file (MICROSOFT). Then, follow the steps below: 1. add it to the StdAfx.h file: #include afxdb.h #include odbcinst.h 2. through ODBC to create the Excel file and insert the data in the table (temporary file name: Demo.xls) / / create and write Excel file Void CRWExcel:: WriteToExcel () { CDatabase database; CString sDriver = MICROSOFT EXCEL DRIVER (*.XLS); / / Excel driver installation CString sExcelFile = c:\\demo.xls; / / to establish Excel file CString sSql; TRY { / / create access string SSql.Format (DRIVER={%s}, DSN=, \); FIRSTROWHASNAMES=1; READONLY=FALSE; CREATE_DB=\, %s\; DBQ=%s, SDriver, sExcelFile, sExcelFile); / / create a database (Excel file) If (database.OpenEx (sSql, CDatabase:: noOdbcDialog)) { / / create table structure (name, age) SSql = CREATE, TABLE, demo (Name, TEXT, Age, NUMBER); Database.ExecuteSQL (sSql); / / insert value SSql = INSERT, INTO, demo (Name, Age), VALUES (` Xu Jing Zhou , 26); Database.ExecuteSQL (sSql); SSql = INSERT, INTO, demo (Name, Age), VALUES (` Xu Zhihui , 22); Database.ExecuteSQL (sSql); SSql = INSERT, INTO, demo (Name, Age), VALUES (` Guo Hui , 27); Database.ExecuteSQL (sSql); } / / close database Database.Close (); } CATCH_ALL (E) { TRACE1 (Excel driver is not installed:%s, sDriver); } END_CATCH_ALL; } 3. through ODBC read Excel files directly (temporary file name: Demo.xls) / / read Excel file Void CRWExcel:: ReadFromExcel () { CDatabase database; CString sSql; CString, sItem1, sItem2; CString sDriver; CString sDsn; CString sFile = Demo.xls; / / will be read in the name of the Excel file Whether to install the Excel

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