public static Method getMethod(String clazzName, String methodName, String[] argsType) {
        Class clazz = ClassUtils.forName(clazzName);
        Class[] classes = ClassTypeUtils.getClasses(argsType);
        return getMethod(clazz, methodName, classes);
    }
@Test
    public void testGetMethod() throws Exception {
        String className = "com.alipay.sofa.rpc.common.utils.TestBean";
        String methodName = "setAlias";
        String[] argsType1 = new String[] { "java.lang.String" };

        Method method = ReflectUtils.getMethod(className, methodName, argsType1);

        Method method3 = ClassUtils.forName(className).getMethod(methodName,
            ClassTypeUtils.getClasses(argsType1));
        Assert.assertFalse(method == method3);
        Assert.assertTrue(method.equals(method3));

        Method method4 = ReflectUtils.getMethod(TestBean.class, "setAlias", String.class);
        Assert.assertFalse(method == method4);
        Assert.assertTrue(method3.equals(method4));

        boolean error = false;
        try {
            ReflectUtils.getMethod(className, methodName + "xxx", argsType1);
        } catch (Exception e) {
            error = true;
        }
        Assert.assertTrue(error);
    }