现在有一个空白的Excel模版,不过模版里面有单元格的各种格式,请问怎么样通过POI 实现将一个有数据的excel文件通过模版,生存具有模版文件所有设置的新文件,求代码,最好详细点谢谢!
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public class ExporTest { private Map smap;// 存储模板中单元格样式 @Test public void test() { Workbook wb = getWorkbook(path); initStyle(wb); writeSheet(wb.getSheetAt(1)); writeExcel(wb); }private Workbook getWorkbook(String filepath) { Workbook wb = null; try { wb = new XSSFWorkbook(filepath); } catch (Exception ex) { ex.printStackTrace(); } return wb; } /** * 从模板中取单元格样式, * * @param wb */ private void initStyle(Workbook wb) { CellStyle normal = wb.getSheetAt(0).getRow(5).getCell(0).getCellStyle(); smap.put("normal", normal); } private void writeSheet(Sheet sh) { for (int i = 0; i < ps.size(); i++) { Row row = sh.createRow(i + 1); Cell cell = row.createCell(0); cell.setCellStyle(smap.get("normal")); cell.setCellValue(permission.getName()); } } private void writeExcel(Workbook wb) { try { FileOutputStream out = new FileOutputStream("test.xls"); wb.write(out); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }
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