/**
     * 工作薄物件
     */
    private SXSSFWorkbook wb;

    /**
     * 工作表物件
     */
    private Sheet sheet;

    /**
     * 樣式列表
     */
    private Map<String, CellStyle> styles;

    /**
     * 當前行號
     */
    private int rownum;

    private CreationHelper helper;  
    private Drawing drawing;  
    private
 
 ClientAnchor anchor; 

    private void drawPictureInfoExcel() {
        this.wb = new SXSSFWorkbook(500);
        this.sheet = wb.createSheet("Export");
        this.styles = createStyles(wb);

        this.drawing = sheet.createDrawingPatriarch();
        this.helper = wb.getCreationHelper(); 
        this
 
.anchor = helper.createClientAnchor();

        InputStream is = new FileInputStream(pictureId);            
            byte[] bytes = IOUtils.toByteArray(is);
            int pictureIdx= wb.addPicture(bytes, SXSSFWorkbook.PICTURE_TYPE_PNG);

        // 圖片插入座標  
            anchor.setDx1(0);
            anchor.setDy1(0
 
);
            anchor.setDx2(0);
            anchor.setDy2(0);
            anchor.setCol1(cellIndex);  
            anchor.setRow1(row.getRowNum());
            anchor.setCol2(cellIndex+1);  
            anchor.setRow2(row.getRowNum()+1);

            // 插入圖片  
            Picture pict = drawing.createPicture(anchor, pictureIdx);  
           //pict.resize();//以原來圖片大小的形式存放
    }