-------------------------------------------------------------------------------SSFRow hssfRow = sheet.createRow(0);//创建表头hssfRow.setHeight((short)1000); //设置行高sheet.setColumnWidth(列的下标, 256*30); //设置某一列宽度POI导出EXCEL设置跨行跨列（在所有数据行和列创建完成后再执行）CellRangeAddress range= new CellRangeAddress(起始行号,终止行号,起始列号,终止列号);sheet.addMergedRegion(range);POI设置上下左右居中：HSSFCellStyle style = workbook.createCellStyle();//设置列样式style.setAlignment(HorizontalAlignment.CENTER);// 水平居中 style.setVerticalAlignment(VerticalAlignment.CENTER);// 垂直居中HSSFCell titleCell=hssfRow.createCell(initColumn);titleCell.setCellValue("测试");titleCell.setCellStyle(style);//设置样式
