- Util类
- package com.common.util;
- public class ExportUtil
- {
- private XSSFWorkbook wb = null;
- private XSSFSheet sheet = null;
- /**
- * @param wb
- * @param sheet
- */
- public ExportUtil(XSSFWorkbook wb, XSSFSheet sheet)
- {
- this.wb = wb;
- this.sheet = sheet;
- }
- /**
- * 合并单元格后给合并后的单元格加边框
- *
- * @param region
- * @param cs
- */
- public void setRegionStyle(CellRangeAddress region, XSSFCellStyle cs)
- {
- int toprowNum = region.getFirstRow();
- for (int i = toprowNum; i <= region.getLastRow(); i++)
- {
- XSSFRow row = sheet.getRow(i);
- for (int j = region.getFirstColumn(); j <= region.getLastColumn(); j++)
- {
- XSSFCell cell = row.getCell(j);// XSSFCellUtil.getCell(row,
- // (short) j);
- cell.setCellStyle(cs);
- }
- }
- }
- /**
- * 设置表头的单元格样式
- *
- * @return
- */
- public XSSFCellStyle getHeadStyle()
- {
- // 创建单元格样式
- XSSFCellStyle cellStyle = wb.createCellStyle();
- // 设置单元格的背景颜色为淡蓝色
- cellStyle.setFillForegroundColor(HSSFColor.PALE_BLUE.index);
- cellStyle.setFillPattern(XSSFCellStyle.SOLID_FOREGROUND);
- // 设置单元格居中对齐
- cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
- // 设置单元格垂直居中对齐
- cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
- // 创建单元格内容显示不下时自动换行
- cellStyle.setWrapText(true);
- // 设置单元格字体样式
- XSSFFont font = wb.createFont();
- // 设置字体加粗
- font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 200);
- cellStyle.setFont(font);
- // 设置单元格边框为细线条
- cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
- return cellStyle;
- }
- /**
- * 设置表体的单元格样式
- *
- * @return
- */
- public XSSFCellStyle getBodyStyle()
- {
- // 创建单元格样式
- XSSFCellStyle cellStyle = wb.createCellStyle();
- // 设置单元格居中对齐
- cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
- // 设置单元格垂直居中对齐
- cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
- // 创建单元格内容显示不下时自动换行
- cellStyle.setWrapText(true);
- // 设置单元格字体样式
- XSSFFont font = wb.createFont();
- // 设置字体加粗
- font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
- font.setFontName("宋体");
- font.setFontHeight((short) 200);
- cellStyle.setFont(font);
- // 设置单元格边框为细线条
- cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
- cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
- return cellStyle;
- }
- }
- service类
- public interface ITestExportExcelService
- {
- public void exportExcel(String hql,String [] titles,ServletOutputStream outputStream);
- }
- @Service
- public class TestExportExcelServiceImpl implements ITestExportExcelService
- {
- @Resource
- private ITestExportExcelDao dao;
- public void exportExcel(String hql, String[] titles, ServletOutputStream outputStream)
- {
- List<Goods> list = dao.exportExcel(hql);
- // 创建一个workbook 对应一个excel应用文件
- XSSFWorkbook workBook = new XSSFWorkbook();
- // 在workbook中添加一个sheet,对应Excel文件中的sheet
- XSSFSheet sheet = workBook.createSheet("导出excel例子");
- ExportUtil exportUtil = new ExportUtil(workBook, sheet);
- XSSFCellStyle headStyle = exportUtil.getHeadStyle();
- XSSFCellStyle bodyStyle = exportUtil.getBodyStyle();
- // 构建表头
- XSSFRow headRow = sheet.createRow(0);
- XSSFCell cell = null;
- for (int i = 0; i < titles.length; i++)
- {
- cell = headRow.createCell(i);
- cell.setCellStyle(headStyle);
- cell.setCellValue(titles[i]);
- }
- // 构建表体数据
- if (list != null && list.size() > 0)
- {
- for (int j = 0; j < list.size(); j++)
- {
- XSSFRow bodyRow = sheet.createRow(j + 1);
- Goods goods = list.get(j);
- cell = bodyRow.createCell(0);
- cell.setCellStyle(bodyStyle);
- cell.setCellValue(goods.getGoodsName());
- cell = bodyRow.createCell(1);
- cell.setCellStyle(bodyStyle);
- cell.setCellValue(goods.getGoodsCost());
- cell = bodyRow.createCell(2);
- cell.setCellStyle(bodyStyle);
- cell.setCellValue(goods.getGoodsUnit());
- }
- }
- try
- {
- workBook.write(outputStream);
- outputStream.flush();
- outputStream.close();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- finally
- {
- try
- {
- outputStream.close();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- }
- }
- }
- dao类
- public interface ITestExportExcelDao
- {
- public List<Goods> exportExcel(String hql);
- }
- @Repository
- public class TestExportExcelDaoImpl implements ITestExportExcelDao
- {
- @Resource
- private SessionFactory factory;
- /**
- * 以goods表为例导出测试
- */
- @SuppressWarnings("unchecked")
- public List<Goods> exportExcel(String hql)
- {
- Session session = factory.getCurrentSession();
- List<Goods> list = session.createQuery(hql).list();
- return list;
- }
- }
- 控制层Controller
- @Controller
- @RequestMapping("/testexportexcel/*")
- public class TestExportExcelController
- {
- @Resource
- private ITestExportExcelService service;
- @RequestMapping
- public String exportExcel(HttpServletResponse response)
- {
- response.setContentType("application/binary;charset=ISO8859_1");
- try
- {
- ServletOutputStream outputStream = response.getOutputStream();
- String fileName = new String(("导出excel例子").getBytes(), "ISO8859_1");
- response.setHeader("Content-disposition", "attachment; filename=" + fileName + ".xlsx");// 组装附件名称和格式
- String hql = "from Goods";
- String[] titles = { "商品名", "商品单价", "商品单位" };
- service.exportExcel(hql, titles, outputStream);
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- return null;
- }
- @RequestMapping
- public String upload(HttpServletRequest request, HttpServletResponse response)
- {
- MultipartHttpServletRequest mulRequest = (MultipartHttpServletRequest) request;
- MultipartFile file = mulRequest.getFile("excel");
- String filename = file.getOriginalFilename();
- if (filename == null || "".equals(filename))
- {
- return null;
- }
- try
- {
- InputStream input = file.getInputStream();
- XSSFWorkbook workBook = new XSSFWorkbook(input);
- XSSFSheet sheet = workBook.getSheetAt(0);
- if (sheet != null)
- {
- for (int i = 1; i < sheet.getPhysicalNumberOfRows(); i++)
- {
- XSSFRow row = sheet.getRow(i);
- for (int j = 0; j < row.getPhysicalNumberOfCells(); j++)
- {
- XSSFCell cell = row.getCell(j);
- String cellStr = cell.toString();
- System.out.print("【"+cellStr+"】 ");
- }
- System.out.println();
- }
- }
- }
- catch (Exception e)
- {
- e.printStackTrace();
- }
- return "/test/uploadExcel.jsp";
- }
- }
05-20 08:27