spire doc for java 设置word中图片大小

SectionCollection sections = doc.getSections();
        for (int i = 0; i < sections.getCount(); i++) {
            Section section = sections.get(i);
            // 获取所有段落
            ParagraphCollection paragraphs = section.getParagraphs();
            for (int j = 0; j < paragraphs.getCount(); j++) {
                Paragraph paragraph = paragraphs.get(j);
                // 循环段落中每个内容
                for (Object childObject : paragraph.getChildObjects()) {
                    if (childObject instanceof DocPicture) {
                        DocPicture docPicture = (DocPicture) childObject;
                        docPicture.setWidth(1000);
                        docPicture.setHeight(400);
                    }
                }
            }
        }