欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

java excel 一行合并多个单元格

程序员文章站 2024-02-28 20:26:52
...

效果图如下:

java excel 一行合并多个单元格

最主要的是AAA占两个单元格并合并,BBB占一个单元格,CCC占两个单元格并合并。

代码如下:

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

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
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.ss.util.CellRangeAddress;

public class TestExcel {

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

        HSSFWorkbook workbook = new HSSFWorkbook();

        HSSFCellStyle style = workbook.createCellStyle();
        style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
        style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

        HSSFSheet sheet = workbook.createSheet("sheet");

        HSSFRow row0 = sheet.createRow(0);
        HSSFCell cell_00 = row0.createCell(0);
        cell_00.setCellStyle(style);
        cell_00.setCellValue("AAA");
        CellRangeAddress region = new CellRangeAddress(0, 0, 0, 1);
        sheet.addMergedRegion(region);
        
        HSSFCell cell_01 = row0.createCell(2);
        cell_01.setCellStyle(style);
        cell_01.setCellValue("BBB");
        region = new CellRangeAddress(0, 0, 2, 2);
        sheet.addMergedRegion(region);
        
        HSSFCell cell_02 = row0.createCell(3);
        cell_02.setCellStyle(style);
        cell_02.setCellValue("CCC");
        region = new CellRangeAddress(0, 0, 3, 4);
        sheet.addMergedRegion(region);

        File file = new File("/home/liu/test/demo.xls");
        FileOutputStream fout = new FileOutputStream(file);
        workbook.write(fout);
        fout.close();
    }

}

其中容易出错的是:

 HSSFCell cell_00 = row0.createCell(0);

 HSSFCell cell_01 = row0.createCell(2);

 HSSFCell cell_02 = row0.createCell(3);

新的单元格所在的位置是按照合并后的单元格来计算的。