/**
* 获取Excel2003图片
*
* @param sheetNum 当前sheet编号
* @param sheet 当前sheet对象
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
* @throws IOException
*/
public static Map<String, PictureData> getSheetPictrues03(
int sheetNum, HSSFSheet sheet, HSSFWorkbook workbook) {
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
List<HSSFPictureData> pictures = workbook.getAllPictures();
if (pictures.size() != 0) {
for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren()) {
HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
if (shape instanceof HSSFPicture) {
if (null != shape) {
HSSFPicture pic = (HSSFPicture) shape;
int pictureIndex = pic.getPictureIndex() - 1;
HSSFPictureData picData = pictures.get(pictureIndex);
String picIndex =
String.valueOf(sheetNum)
+ UNDER_LINE
+ String.valueOf(anchor.getRow1())
+ UNDER_LINE
+ String.valueOf(anchor.getCol1());
sheetIndexPicMap.put(picIndex, picData);
}
}
}
return sheetIndexPicMap;
} else {
return null;
}
}
/**
* 复制来源表格中第1个SHEET中的图片到目标表格中的第1个SHEET中。
*
* @param destBook -- 目标表格
* @param srcBook -- 来源表格
*/
private static void copySheetImage(HSSFWorkbook destBook, HSSFWorkbook srcBook) {
// 来源表单
HSSFSheet srcSheet = srcBook.getSheetAt(0);
// 目标表单
HSSFSheet destSheet = destBook.getSheetAt(0);
// 需要偏移的行数
int endRowNum = destSheet.getPhysicalNumberOfRows();
// 取来源表单中的图片对象
List<HSSFPicture> lsSrcPicture = getAllPicture(srcSheet);
_log.showDebug("----------source picture size:" + lsSrcPicture.size());
// 取所有子图形数据，如果是主从报表且明细数据占多页时，则会报空指针错误
List<HSSFPictureData> lsPicData = null;
try {
lsPicData = srcBook.getAllPictures();
} catch (Exception e) {
// e.printStackTrace();
_log.showWarn("由于表单明细有多页，造成临时表的图片数据取不到，只能采用原表第1个图替代！");
// 原表中也没有图片，则不处理图片复制了
lsPicData = destBook.getAllPictures();
if (lsPicData == null || lsPicData.isEmpty()) return;
// 只取原表中第1个图片信息
List<HSSFPictureData> destData = FactoryUtil.newList();
for (int i = 0, n = lsSrcPicture.size(); i < n; i++) {
destData.add(lsPicData.get(0));
}
lsPicData = destData;
}
if (lsPicData == null || lsPicData.isEmpty()) return;
_log.showDebug("----------source data size:" + lsPicData.size());
// data数量可能大于图片数量
if (lsSrcPicture.size() > lsPicData.size()) {
_log.showWarn("图片数量与数据数量不符！");
return;
}
// 取图片管理器
HSSFPatriarch destDraw = destSheet.getDrawingPatriarch();
if (destDraw == null) {
destDraw = destSheet.createDrawingPatriarch();
}
// 取原目标表单中的图片对象
List<HSSFPicture> lsDestPicture = getAllPicture(destSheet);
int index = lsDestPicture.size();
for (int i = 0, n = lsSrcPicture.size(); i < n; i++) {
// 取图片对象
HSSFPicture picture = lsSrcPicture.get(i);
// 根据图片序号取图片数据
HSSFPictureData picdata = lsPicData.get(i);
// 取图片字节信息
byte[] datas = picdata.getData();
// 取图片位置信息
HSSFClientAnchor anchor = (HSSFClientAnchor) picture.getAnchor();
// 添加行偏移值
anchor.setRow1(anchor.getRow1() + endRowNum);
anchor.setRow2(anchor.getRow2() + endRowNum);
// 插入新图片，返回的新图片序号无效
destBook.addPicture(datas, picdata.getFormat());
// 上面代码中新建图片的序号没有考虑原有图片数量，所以取原图片数量+1作为新图片的序号
index++;
_log.showDebug("---------copy new image index=" + index);
destDraw.createPicture(anchor, index);
}
}
private void checkWorkbookBack(HSSFWorkbook wb) {
HSSFWorkbook wbBack = HSSFTestDataSamples.writeOutAndReadBack(wb);
assertNotNull(wbBack);
HSSFSheet sheetBack = wbBack.getSheetAt(0);
assertNotNull(sheetBack);
HSSFPatriarch patriarchBack = sheetBack.getDrawingPatriarch();
assertNotNull(patriarchBack);
List<HSSFShape> children = patriarchBack.getChildren();
assertEquals(4, children.size());
HSSFShape hssfShape = children.get(0);
assertTrue(hssfShape instanceof HSSFSimpleShape);
HSSFAnchor anchor = hssfShape.getAnchor();
assertTrue(anchor instanceof HSSFClientAnchor);
assertEquals(0, anchor.getDx1());
assertEquals(512, anchor.getDx2());
assertEquals(0, anchor.getDy1());
assertEquals(100, anchor.getDy2());
HSSFClientAnchor cAnchor = (HSSFClientAnchor) anchor;
assertEquals(1, cAnchor.getCol1());
assertEquals(1, cAnchor.getCol2());
assertEquals(1, cAnchor.getRow1());
assertEquals(1, cAnchor.getRow2());
hssfShape = children.get(1);
assertTrue(hssfShape instanceof HSSFSimpleShape);
anchor = hssfShape.getAnchor();
assertTrue(anchor instanceof HSSFClientAnchor);
assertEquals(512, anchor.getDx1());
assertEquals(1024, anchor.getDx2());
assertEquals(0, anchor.getDy1());
assertEquals(100, anchor.getDy2());
cAnchor = (HSSFClientAnchor) anchor;
assertEquals(1, cAnchor.getCol1());
assertEquals(1, cAnchor.getCol2());
assertEquals(1, cAnchor.getRow1());
assertEquals(1, cAnchor.getRow2());
hssfShape = children.get(2);
assertTrue(hssfShape instanceof HSSFSimpleShape);
anchor = hssfShape.getAnchor();
assertTrue(anchor instanceof HSSFClientAnchor);
assertEquals(0, anchor.getDx1());
assertEquals(512, anchor.getDx2());
assertEquals(0, anchor.getDy1());
assertEquals(100, anchor.getDy2());
cAnchor = (HSSFClientAnchor) anchor;
assertEquals(2, cAnchor.getCol1());
assertEquals(2, cAnchor.getCol2());
assertEquals(2, cAnchor.getRow1());
assertEquals(2, cAnchor.getRow2());
hssfShape = children.get(3);
assertTrue(hssfShape instanceof HSSFSimpleShape);
anchor = hssfShape.getAnchor();
assertTrue(anchor instanceof HSSFClientAnchor);
assertEquals(0, anchor.getDx1());
assertEquals(512, anchor.getDx2());
assertEquals(100, anchor.getDy1());
assertEquals(200, anchor.getDy2());
cAnchor = (HSSFClientAnchor) anchor;
assertEquals(2, cAnchor.getCol1());
assertEquals(2, cAnchor.getCol2());
assertEquals(2, cAnchor.getRow1());
assertEquals(2, cAnchor.getRow2());
}
