Question

java使用poi实现每行每列均合并2格单元格

像这样

Answer 1

// 单元格合并
// 四个参数分别是：起始行，起始列，结束行，结束列
sheet.addMergedRegion(new Region(0, (short) (celln + 1), 0,
(short) (celle + 1)));
试试这个呢
sheet.addMergedRegion(new CellRangeAddress(0, 0, startColumn + 3*j, startColumn + 3*j + 2));