public void initPOI() {
String str="";
String file="F:/test1/527/a2.xls";
try {
FileInputStream fis=new FileInputStream(file);
POIFSFileSystem poif=new POIFSFileSystem(fis);
FileOutputStream out = new FileOutputStream(file);
HSSFWorkbook book=new HSSFWorkbook(poif);
HSSFSheet sheet=book.createSheet("feng1");
sheet.addMergedRegion(new CellRangeAddress(0,1,0,0));
sheet.addMergedRegion(new CellRangeAddress(0,0,1,2));
sheet.addMergedRegion(new CellRangeAddress(0,0,3,4));
Row titlerow=sheet.createRow(0);
titlerow.createCell(0).setCellValue("統計");
titlerow.createCell(1).setCellValue("商務部");
titlerow.createCell(3).setCellValue("財政部");
Row row=sheet.createRow(1);
row.createCell(0).setCellValue("");
row.createCell(1).setCellValue("日累計");
row.createCell(2).setCellValue("月累計");
row.createCell(3).setCellValue("日累計");
row.createCell(4).setCellValue("月紀累計");
fis.close();
book.write(out);
out.flush();
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
二級報表的生成
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