Aspose复制内容到另一个文档

Document doc = new Document("doc1.doc");
Document doc2 = new Document("doc2.doc");
Bookmark bookmark = doc.getRange().getBookmarks().get("start");
Bookmark endBk = doc.getRange().getBookmarks().get("end");
Node currentNode = bookmark.getBookmarkStart().getParentNode().getNextSibling();
while (currentNode != null && currentNode != endBk.getBookmarkStart().getParentNode()) {
    Node node = doc2.importNode(currentNode, true);
    CompositeNode start = doc2.getRange().getBookmarks().get("start").getBookmarkStart().getParentNode().getParentNode();
    start.appendChild(node);
    currentNode = currentNode.getNextSibling();
}
doc2.save("doc2.doc");