public static void main(String[] args) {		ScriptEngineManager engineManager = new ScriptEngineManager();		ScriptEngine engine = engineManager.getEngineByName("JavaScript"); // 得到脚本引擎		try {			engine.eval(new FileReader("src/main/webapp/test.js"));			Invocable inv = (Invocable) engine;			Object a = inv.invokeFunction("test");			System.out.println(a);		} catch (FileNotFoundException | ScriptException e) {			e.printStackTrace();		} catch (NoSuchMethodException e) {			e.printStackTrace();		}	}