public static Map<String,String> readXml() {
    SAXReader reader = new SAXReader();
    Map<String, String> map1 = new HashMap<String, String>();  //code+view 全部資料組裝
    try {
        // 通過reader物件的read方法載入books.xml檔案,獲取docuemnt物件。
        Document document = reader.read(new File(filePath));
        Element excelStore = document.getRootElement();            // 根節點
        List<Element> elements = excelStore.elements();  //所有子節點
        for (Element e : elements) {
            List<Element> eChild = e.elements();  //子節點下所有的孫子節點
            for (Element echild : eChild) {
                Element e1 = echild;
                String code = e1.attribute("code").getValue();
                String viewName = e1.attribute("view").getValue();
                map1.put(code, viewName);
            }
        }
        return map1;
    } catch (DocumentException e) {
        e.printStackTrace();
    }
    return null;
}