To download the trial version of EasyXLS Excel Library, press the below button:
If you already own a license key, you may login and download EasyXLS from your account.
Install the downloaded EasyXLS installer for v8.6 or earlier.
Step 2: License file setup
Step required for EasyXLS v9.0 or later.
If you are using a trial, generate a trial license file from EasyXLS trials page. The trial license is valid for 30-days.
If you own a license key, you may login to the account that purchased the license and generate the license file from: https://www.easyxls.com/my-orders
Setup the license file into your project using these guidelines.
Step 3: Create a Java project
If don't have a project already, create a new Java project.
Step 4: Include EasyXLS library into project
EasyXLS.jar must be added to external libraries into your project for Eclipse or to your application CLASSPATH.
EasyXLS.jar can be found: - Inside the downloaded archive at Step 1 for EasyXLS v9.0 or later - Under installation path for EasyXLS v8.6 or earlier, in "Lib" folder.
Step 5: Run Java code that groups data in Excel sheet
Execute the following Java code that groups data on the first sheet of an Excel file on two outline levels.
package testexceljava;
import EasyXLS.*;
import EasyXLS.Constants.*;
/* -------------------------------------------------------------------------------
| Tutorial 17
|
| This tutorial shows how to create an Excel file with groups on rows in Java.
| The Excel file has two worksheets. The first one is full with data and contains
| the data groups.
* ------------------------------------------------------------------------------- */public class Tutorial17 {
public static void main(String[] args) {
try {
System.out.println("Tutorial 17");
System.out.println("----------");
// Create an instance of the class that exports Excel files having two sheets
ExcelDocument workbook = new ExcelDocument(2);
// Set the sheet names
workbook.easy_getSheetAt(0).setSheetName("First tab");
workbook.easy_getSheetAt(1).setSheetName("Second tab");
// Get the table of data for the first worksheet
ExcelTable xlsFirstTable = ((ExcelWorksheet)workbook.easy_getSheetAt(0)).easy_getExcelTable();
// Add data in cells for report headerfor (int column=0; column<5; column++)
{
xlsFirstTable.easy_getCell(0,column).setValue("Column " + (column + 1));
xlsFirstTable.easy_getCell(0,column).setDataType(DataType.STRING);
}
xlsFirstTable.easy_getRowAt(0).setHeight(30);
// Add data in cells for report valuesfor (int row=0; row<25; row++)
{
for (int column=0; column<5; column++)
{
xlsFirstTable.easy_getCell(row+1,column).setValue("Data " + (row + 1) + ", " + (column + 1));
xlsFirstTable.easy_getCell(row+1,column).setDataType(DataType.STRING);
}
}
// Set column widths
xlsFirstTable.setColumnWidth(0, 70);
xlsFirstTable.setColumnWidth(1, 100);
xlsFirstTable.setColumnWidth(2, 70);
xlsFirstTable.setColumnWidth(3, 100);
xlsFirstTable.setColumnWidth(4, 70);
// Group rows and format A1:E26 cell range
ExcelDataGroup xlsFirstDataGroup = new ExcelDataGroup("A1:E26", DataGroup.GROUP_BY_ROWS, false);
xlsFirstDataGroup .setAutoFormat(new ExcelAutoFormat(EasyXLS.Constants.Styles.AUTOFORMAT_EASYXLS1));
((ExcelWorksheet)workbook.easy_getSheetAt(0)).easy_addDataGroup(xlsFirstDataGroup );
// Group rows and format A2:E10 cell range, outline level two, inside previous group
ExcelDataGroup xlsSecondDataGroup = new ExcelDataGroup("A2:E10", DataGroup.GROUP_BY_ROWS, false);
xlsSecondDataGroup.setAutoFormat(new ExcelAutoFormat(EasyXLS.Constants.Styles.AUTOFORMAT_EASYXLS2));
((ExcelWorksheet)workbook.easy_getSheetAt(0)).easy_addDataGroup(xlsSecondDataGroup);
// Export Excel file
System.out.println("Writing file: C:\\Samples\\Tutorial17 - group data in Excel.xlsx");
workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial17 - group data in Excel.xlsx");
// Confirm export of Excel fileif (workbook.easy_getError().equals(""))
System.out.println("File successfully created.");
else
System.out.println("Error encountered: " + workbook.easy_getError());
// Dispose memory
workbook.Dispose();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}