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Yogi
importing excel file
1 Answer(s)      3 years and 7 months ago
Posted in : JSP-Servlet


Hi All I am developing a java application whre we upload a excel file in to database and all excel value should import in to the database column. I am using below logic for inserting value. it shwoing some garbaze value.

my code is:

package import java.io.FileInputStream; import java.util.Iterator; import java.util.Vector;

import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.poifs.filesystem.POIFSFileSystem;

public class ReadExcelFile {

public static void main(String[] args) {

    String fileName = "C:\\hhh.xls";
    Vector dataHolder = ReadCSV(fileName);
    printCellDataToConsole(dataHolder);
}

public static Vector ReadCSV(String fileName) {
    Vector cellVectorHolder = new Vector();

    try {
        FileInputStream myInput = new FileInputStream(fileName);

        POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);

        HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);

        HSSFSheet mySheet = myWorkBook.getSheetAt(0);

        Iterator rowIter = mySheet.rowIterator();

        while (rowIter.hasNext()) {
            HSSFRow myRow = (HSSFRow) rowIter.next();
            Iterator cellIter = myRow.cellIterator();
            Vector cellStoreVector = new Vector();
            while (cellIter.hasNext()) {
                HSSFCell myCell = (HSSFCell) cellIter.next();
                cellStoreVector.addElement(myCell);
            }
            cellVectorHolder.addElement(cellStoreVector);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return cellVectorHolder;
}

private static void printCellDataToConsole(Vector dataHolder) {

    for (int i = 0; i < dataHolder.size(); i++) {
        Vector cellStoreVector = (Vector) dataHolder.elementAt(i);
        for (int j = 0; j < cellStoreVector.size(); j++) {
            HSSFCell myCell = (HSSFCell) cellStoreVector.elementAt(j);
            String stringCellValue = myCell.toString();
            System.out.print(stringCellValue + "\t");
        }
        System.out.println();
    }
}

}

but it showing following output:

org.apache.poi.hssf.usermodel.HSSFCell@bfc8e0 org.apache.poi.hssf.usermodel.HSSFCell@11d0a4f
org.apache.poi.hssf.usermodel.HSSFCell@18fd984 org.apache.poi.hssf.usermodel.HSSFCell@111a775
org.apache.poi.hssf.usermodel.HSSFCell@91cee org.apache.poi.hssf.usermodel.HSSFCell@4a63d8

it is not showing real excel sheet value.

please suggest good way to solve this problem.


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View Answers

February 21, 2011 at 9:54 PM


sorry if it's too late, try myCell.getStringCellValue() instead of myCell.toString()

That way you are only writing the object in memory



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