public static void main(String[] args) {
//		ApplicationContext ctx = new ClassPathXmlApplicationContext("spring-config.xml");
//		Test2 t = (Test2) ctx.getBean("test2");
//		t.qwe("qw");
		
		ExpressionParser parser = new SpelExpressionParser();
		Expression exp = parser.parseExpression("'Hello,'+'world'");
		String message = exp.getValue(String.class);
		System.out.println(message);
	}