JAVA 实用方法

//得到xml文件中的sql文本

public String getSqlText(Object obj, String fileName, String key)throws Exception {		
		SAXReader reader = new SAXReader();
		Document document = reader.read(new File(obj.getClass().getResource("").getPath().concat(fileName)));
		Element rootElm = document.getRootElement();
		return rootElm.element(key).getTextTrim();
}