* 测试直接使用Jaxb的annotaion
*/
@Test
public void jaxbAnnoation() {
JsonMapper newMapper = new JsonMapper();
newMapper.enableJaxbAnnotation();
TestBean3 testBean = new TestBean3(1, "foo", 18);
// 结果name属性输出在前，且被改名为productName，且age属性被ignore
assertThat(newMapper.toJson(testBean)).isEqualTo("{\"productName\":\"foo\",\"id\":1}");
}