poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/CreateTable.java

/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */
package org.apache.poi.examples.xssf.usermodel;

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.ss.util.AreaReference;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFTable;
import org.apache.poi.xssf.usermodel.XSSFTableStyleInfo;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 * Demonstrates how to create a simple table using Apache POI.
 */
public class CreateTable {

    public static void main(String[] args) throws IOException {

        try (XSSFWorkbook wb = new XSSFWorkbook()) {
            XSSFSheet sheet = wb.createSheet();

            // Set which area the table should be placed in
            AreaReference reference = wb.getCreationHelper().createAreaReference(
                    new CellReference(0, 0), new CellReference(2, 2));

            // Create
            XSSFTable table = sheet.createTable(reference);
            table.setName("Test");
            table.setDisplayName("Test_Table");

            // For now, create the initial style in a low-level way
            table.getCTTable().addNewTableStyleInfo();
            table.getCTTable().getTableStyleInfo().setName("TableStyleMedium2");

            // Style the table
            XSSFTableStyleInfo style = (XSSFTableStyleInfo) table.getStyle();
            style.setName("TableStyleMedium2");
            style.setShowColumnStripes(false);
            style.setShowRowStripes(true);
            style.setFirstColumn(false);
            style.setLastColumn(false);
            style.setShowRowStripes(true);
            style.setShowColumnStripes(true);

            // Set the values for the table
            XSSFRow row;
            XSSFCell cell;
            for (int i = 0; i < 3; i++) {
                // Create row
                row = sheet.createRow(i);
                for (int j = 0; j < 3; j++) {
                    // Create cell
                    cell = row.createCell(j);
                    if (i == 0) {
                        cell.setCellValue("Column" + (j + 1));
                    } else {
                        cell.setCellValue((i + 1.0) * (j + 1.0));
                    }
                }
            }

            // Save
            try (FileOutputStream fileOut = new FileOutputStream("ooxml-table.xlsx")) {
                wb.write(fileOut);
            }
        }
    }
}