HSSFSheet sheet = workbook.createSheet("sheetName"); //创建sheet

sheet.setVerticallyCenter(true);

//下面样式可作为导出左右分栏的表格模板

sheet.setColumnWidth((short) 0, (short) 2600);// 设置列宽

sheet.setColumnWidth((short) 1, (short) 2400);

sheet.setColumnWidth((short) 2, (short) 2300);

sheet.setColumnWidth((short) 3, (short) 1600);

sheet.setColumnWidth((short) 4, (short) 1800);

sheet.setColumnWidth((short) 5, (short) 1000);// 空列设置小一些

sheet.setColumnWidth((short) 6, (short) 2600);// 设置列宽

sheet.setColumnWidth((short) 7, (short) 2400);

sheet.setColumnWidth((short) 8, (short) 2300);

sheet.setColumnWidth((short) 9, (short) 1600);

sheet.setColumnWidth((short) 10, (short) 1800);

HSSFCellStyle cellstyle = (HSSFCellStyle) workbook.createCellStyle();// 设置表头样式

cellstyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 设置居中

HSSFCellStyle headerStyle = (HSSFCellStyle) workbook .createCellStyle();// 创建标题样式

headerStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);//设置垂直居中

headerStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);//设置水平居中

HSSFFont headerFont = (HSSFFont) workbook.createFont();//创建字体样式

headerFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 字体加粗

headerFont.setFontName("Times New Roman");//设置字体类型

headerFont.setFontHeightInPoints((short) 8);//设置字体大小

headerStyle.setFont(headerFont);//为标题样式设置字体样式

HSSFCellStyle headerStyle1 = (HSSFCellStyle) workbook .createCellStyle();// 创建标题样式1

headerStyle1.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headerStyle1.setAlignment(HSSFCellStyle.ALIGN_CENTER);

HSSFFont headerFont1 = (HSSFFont) workbook.createFont();

headerFont1.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 字体加粗

headerFont1.setFontName("Times New Roman");

headerFont1.setFontHeightInPoints((short) 8);

headerStyle1.setFont(headerFont1);

HSSFCellStyle headerStyle2 = (HSSFCellStyle) workbook .createCellStyle();// 创建标题样式2

headerStyle2.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);

headerStyle2.setAlignment(HSSFCellStyle.ALIGN_CENTER);

HSSFFont headerFont2 = (HSSFFont) workbook.createFont();

headerFont2.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 字体加粗

headerFont2.setFontName("Times New Roman");

headerFont2.setFontHeightInPoints((short) 8);

headerStyle2.setFont(headerFont2);

headerStyle2.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 下边框

headerStyle2.setBorderLeft(HSSFCellStyle.BORDER_THIN);// 左边框

headerStyle2.setBorderTop(HSSFCellStyle.BORDER_THIN);// 上边框

headerStyle2.setBorderRight(HSSFCellStyle.BORDER_THIN);// 右边框

HSSFCellStyle cell_Style = (HSSFCellStyle) workbook .createCellStyle();// 设置字体样式

cell_Style.setAlignment(HSSFCellStyle.ALIGN_CENTER);

cell_Style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 垂直对齐居中

cell_Style.setWrapText(true); // 设置为自动换行

HSSFFont cell_Font = (HSSFFont) workbook.createFont();

cell_Font.setFontName("宋体");

cell_Font.setFontHeightInPoints((short) 8);

cell_Style.setFont(cell_Font);

cell_Style.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 下边框

cell_Style.setBorderLeft(HSSFCellStyle.BORDER_THIN);// 左边框

cell_Style.setBorderTop(HSSFCellStyle.BORDER_THIN);// 上边框

cell_Style.setBorderRight(HSSFCellStyle.BORDER_THIN);// 右边框

HSSFRow row = sheet.createRow((short)1);//创建行

HSSFCell cell = row.createCell((short)1);//创建列

cell.setCellStyle(headerStyle2);//单元格引用样式

参考文档地址：http://blog.csdn.net/liyong199012/article/details/17962139