hutool工具的BigExcelWriter导出数据设置excel表的行高不生效
private void getExcel(List<Map<String, Object>> list) {
RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
HttpServletResponse response = ((ServletRequestAttributes) requestAttributes).getResponse();
//excel大数据生成
BigExcelWriter writer=new BigExcelWriter();
Sheet sheet = writer.getSheet();
sheet.setDefaultRowHeight((short) 4000);
writer.write(list);
response.reset();
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(tableName+".xlsx", "UTF-8"));
response.setContentType("multipart/form-data");
try {
writer.flush(response.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
} finally {
if (writer!=null){
//关闭writer 释放内存
writer.close();
}
}
}
效果:
“Devil组”引证GPT后的撰写:
用hutool工具的BigExcelWriter导出数据时,设置Excel表的行高无效的原因可能是因为setDefaultRowHeight方法设置的是默认的行高,而不是指定的行高。要设置指定行的行高,可以使用setRowHeight方法,例如:
for (int i = 0; i < list.size(); i++) {
Map<String, Object> map = list.get(i);
Row row = sheet.createRow(i);
for (int j = 0; j < map.size(); j++) {
Cell cell = row.createCell(j);
cell.setCellValue(String.valueOf(map.get("column" + j)));
}
row.setHeight((short) 4000); //设置行高
}
用循环为每一行设置了行高。setRowHeight方法接受一个short类型的参数,表示以1/20个点为单位的行高,例如4000表示200个点高的行。