JAVA使用HSSFWorkbook生成导入Excel 的用法
API网站:http://poi.apache.org/apidocs/index.html
- public ActionResult excelPrint() {
- HSSFWorkbook workbook = new HSSFWorkbook();// 创建一个Excel文件
- HSSFSheet sheet = workbook.createSheet();// 创建一个Excel的Sheet
- sheet.createFreezePane(1, 3);// 冻结
- // 设置列宽
- sheet.setColumnWidth(0, 1000);
- sheet.setColumnWidth(1, 3500);
- sheet.setColumnWidth(2, 3500);
- sheet.setColumnWidth(3, 6500);
- sheet.setColumnWidth(4, 6500);
- sheet.setColumnWidth(5, 6500);
- sheet.setColumnWidth(6, 6500);
- sheet.setColumnWidth(7, 2500);
- // Sheet样式
- HSSFCellStyle sheetStyle = workbook.createCellStyle();
- // 背景色的设定
- sheetStyle.setFillBackgroundColor(HSSFColor.GREY_25_PERCENT.index);
- // 前景色的设定
- sheetStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);
- // 填充模式
- sheetStyle.setFillPattern(HSSFCellStyle.FINE_DOTS);
- // 设置列的样式
- for (int i = 0; i <= 14; i++) {
- sheet.setDefaultColumnStyle((short) i, sheetStyle);
- }
- // 设置字体
- HSSFFont headfont = workbook.createFont();
- headfont.setFontName("黑体");
- headfont.setFontHeightInPoints((short) 22);// 字体大小
- headfont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 加粗
- // 另一个样式
- HSSFCellStyle headstyle = workbook.createCellStyle();
- headstyle.setFont(headfont);
- headstyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
- headstyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中
- headstyle.setLocked(true);
- headstyle.setWrapText(true);// 自动换行
- // 另一个字体样式
- HSSFFont columnHeadFont = workbook.createFont();
- columnHeadFont.setFontName("宋体");
- columnHeadFont.setFontHeightInPoints((short) 10);
- columnHeadFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
- // 列头的样式
- HSSFCellStyle columnHeadStyle = workbook.createCellStyle();
- columnHeadStyle.setFont(columnHeadFont);
- columnHeadStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
- columnHeadStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中
- columnHeadStyle.setLocked(true);
- columnHeadStyle.setWrapText(true);
- columnHeadStyle.setLeftBorderColor(HSSFColor.BLACK.index);// 左边框的颜色
- columnHeadStyle.setBorderLeft((short) 1);// 边框的大小
- columnHeadStyle.setRightBorderColor(HSSFColor.BLACK.index);// 右边框的颜色
- columnHeadStyle.setBorderRight((short) 1);// 边框的大小
- columnHeadStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单元格的边框为粗体
- columnHeadStyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色
- // 设置单元格的背景颜色（单元格的样式会覆盖列或行的样式）
- columnHeadStyle.setFillForegroundColor(HSSFColor.WHITE.index);
- HSSFFont font = workbook.createFont();
- font.setFontName("宋体");
- font.setFontHeightInPoints((short) 10);
- // 普通单元格样式
- HSSFCellStyle style = workbook.createCellStyle();
- style.setFont(font);
- style.setAlignment(HSSFCellStyle.ALIGN_LEFT);// 左右居中
- style.setVerticalAlignment(HSSFCellStyle.VERTICAL_TOP);// 上下居中
- style.setWrapText(true);
- style.setLeftBorderColor(HSSFColor.BLACK.index);
- style.setBorderLeft((short) 1);
- style.setRightBorderColor(HSSFColor.BLACK.index);
- style.setBorderRight((short) 1);
- style.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单元格的边框为粗体
- style.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色．
- style.setFillForegroundColor(HSSFColor.WHITE.index);// 设置单元格的背景颜色．
- // 另一个样式
- HSSFCellStyle centerstyle = workbook.createCellStyle();
- centerstyle.setFont(font);
- centerstyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
- centerstyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中
- centerstyle.setWrapText(true);
- centerstyle.setLeftBorderColor(HSSFColor.BLACK.index);
- centerstyle.setBorderLeft((short) 1);
- centerstyle.setRightBorderColor(HSSFColor.BLACK.index);
- centerstyle.setBorderRight((short) 1);
- centerstyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单元格的边框为粗体
- centerstyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色．
- centerstyle.setFillForegroundColor(HSSFColor.WHITE.index);// 设置单元格的背景颜色．
- try {
- // 创建第一行
- HSSFRow row0 = sheet.createRow(0);
- // 设置行高
- row0.setHeight((short) 900);
- // 创建第一列
- HSSFCell cell0 = row0.createCell(0);
- cell0.setCellValue(new HSSFRichTextString("中非发展基金投资项目调度会工作落实情况对照表"));
- cell0.setCellStyle(headstyle);
- /**
- * 合并单元格
- * 第一个参数：第一个单元格的行数（从0开始）
- * 第二个参数：第二个单元格的行数（从0开始）
- * 第三个参数：第一个单元格的列数（从0开始）
- * 第四个参数：第二个单元格的列数（从0开始）
- */
- CellRangeAddress range = new CellRangeAddress(0, 0, 0, 7);
- sheet.addMergedRegion(range);
- // 创建第二行
- HSSFRow row1 = sheet.createRow(1);
- HSSFCell cell1 = row1.createCell(0);
- cell1.setCellValue(new HSSFRichTextString("本次会议时间：2009年8月31日 前次会议时间：2009年8月24日"));
- cell1.setCellStyle(centerstyle);
- // 合并单元格
- range = new CellRangeAddress(1, 2, 0, 7);
- sheet.addMergedRegion(range);
- // 第三行
- HSSFRow row2 = sheet.createRow(3);
- row2.setHeight((short) 750);
- HSSFCell cell = row2.createCell(0);
- cell.setCellValue(new HSSFRichTextString("责任者"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(1);
- cell.setCellValue(new HSSFRichTextString("成熟度排序"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(2);
- cell.setCellValue(new HSSFRichTextString("事项"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(3);
- cell.setCellValue(new HSSFRichTextString("前次会议要求/n/新项目的项目概要"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(4);
- cell.setCellValue(new HSSFRichTextString("上周工作进展"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(5);
- cell.setCellValue(new HSSFRichTextString("本周工作计划"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(6);
- cell.setCellValue(new HSSFRichTextString("问题和建议"));
- cell.setCellStyle(columnHeadStyle);
- cell = row2.createCell(7);
- cell.setCellValue(new HSSFRichTextString("备 注"));
- cell.setCellStyle(columnHeadStyle);
- // 访问数据库，得到数据集
- List<DeitelVO> deitelVOList = getEntityManager().queryDeitelVOList();
- int m = 4;
- int k = 4;
- for (int i = 0; i < deitelVOList.size(); i++) {
- DeitelVO vo = deitelVOList.get(i);
- String dname = vo.getDname();
- List<Workinfo> workList = vo.getWorkInfoList();
- HSSFRow row = sheet.createRow(m);
- cell = row.createCell(0);
- cell.setCellValue(new HSSFRichTextString(dname));
- cell.setCellStyle(centerstyle);
- // 合并单元格
- range = new CellRangeAddress(m, m + workList.size() - 1, 0, 0);
- sheet.addMergedRegion(range);
- m = m + workList.size();
- for (int j = 0; j < workList.size(); j++) {
- Workinfo w = workList.get(j);
- // 遍历数据集创建Excel的行
- row = sheet.getRow(k + j);
- if (null == row) {
- row = sheet.createRow(k + j);
- }
- cell = row.createCell(1);
- cell.setCellValue(w.getWnumber());
- cell.setCellStyle(centerstyle);
- cell = row.createCell(2);
- cell.setCellValue(new HSSFRichTextString(w.getWitem()));
- cell.setCellStyle(style);
- cell = row.createCell(3);
- cell.setCellValue(new HSSFRichTextString(w.getWmeting()));
- cell.setCellStyle(style);
- cell = row.createCell(4);
- cell.setCellValue(new HSSFRichTextString(w.getWbweek()));
- cell.setCellStyle(style);
- cell = row.createCell(5);
- cell.setCellValue(new HSSFRichTextString(w.getWtweek()));
- cell.setCellStyle(style);
- cell = row.createCell(6);
- cell.setCellValue(new HSSFRichTextString(w.getWproblem()));
- cell.setCellStyle(style);
- cell = row.createCell(7);
- cell.setCellValue(new HSSFRichTextString(w.getWremark()));
- cell.setCellStyle(style);
- }
- k = k + workList.size();
- }
- // 列尾
- int footRownumber = sheet.getLastRowNum();
- HSSFRow footRow = sheet.createRow(footRownumber + 1);
- HSSFCell footRowcell = footRow.createCell(0);
- footRowcell.setCellValue(new HSSFRichTextString(" 审 定：XXX 审 核：XXX 汇 总：XX"));
- footRowcell.setCellStyle(centerstyle);
- range = new CellRangeAddress(footRownumber + 1, footRownumber + 1, 0, 7);
- sheet.addMergedRegion(range);
- HttpServletResponse response = getResponse();
- HttpServletRequest request = getRequest();
- String filename = "未命名.xls";//设置下载时客户端Excel的名称
- // 请见：http://zmx.javaeye.com/blog/622529
- filename = Util.encodeFilename(filename, request);
- response.setContentType("application/vnd.ms-excel");
- response.setHeader("Content-disposition", "attachment;filename=" + filename);
- OutputStream ouputStream = response.getOutputStream();
- workbook.write(ouputStream);
- ouputStream.flush();
- ouputStream.close();
- } catch (Exception e) {
- e.printStackTrace();
- }
- return null;
- }