Create Table by Using Border Lines for a Range

Sometimes, you want to create a table by adding border lines for a Range/CellArea based on the address of the cells you have. You can use Cells.createRange method to create a range of cells. The Cells.createRange method returns a Range object. You can create a Style object and specify the borders (top, left, bottom, right) options accordingly. Later, you may get the cells of the Range and apply your desired formatting to the cells.

The following example shows how to create a Range and specify the borderlines for the range cells.

// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java
String dataDir = Utils.getDataDir(CreateTableforRange.class);

// Instantiating a Workbook object
Workbook workbook = new Workbook();

// Obtaining the reference of the newly added worksheet
int sheetIndex = workbook.getWorksheets().add();
Worksheet worksheet = workbook.getWorksheets().get(sheetIndex);

// Accessing the "A1" cell from the worksheet
Cell cell = worksheet.getCells().get("A1");

// Creating a range of cells based on cells Address.
Range range = worksheet.getCells().createRange("A1:F10");

// Specify a Style object for borders.
Style style = cell.getStyle();
// Setting the line style of the top border
style.setBorder(BorderType.TOP_BORDER, CellBorderType.THICK, Color.getBlack());
// Setting the line style of the bottom border
style.setBorder(BorderType.BOTTOM_BORDER, CellBorderType.THICK, Color.getBlack());
// Setting the line style of the left border
style.setBorder(BorderType.LEFT_BORDER, CellBorderType.THICK, Color.getBlack());
// Setting the line style of the right border
style.setBorder(BorderType.RIGHT_BORDER, CellBorderType.THICK, Color.getBlack());

Iterator cellArray = range.iterator();
while (cellArray.hasNext()) {
	Cell temp = (Cell) cellArray.next();
	// Saving the modified style to the cell.
	temp.setStyle(style);
}

// Saving the Excel file
workbook.save(dataDir + "borders_out.xls");

After running the above code, we can have the generated excel file containing the formatted table; here is the screenshot of the file.