public ExcalHelper(String sheetName, String[] rowTitle, int[] rowWidth, int dataRowNum) { //创建标题行 workbook = new HSSFWorkbook(); sheet = (HSSFSheet)workbook.CreateSheet(sheetName); this.dataRowNum = dataRowNum; HSSFRow rowtitle = (HSSFRow)sheet.CreateRow(0); for (int i = 0; i < rowTitle.Length; i++) { //设置列宽 sheet.SetColumnWidth(i, rowWidth[i] * 255); rowtitle.CreateCell(i).SetCellValue(rowTitle[i]); } }