解决springboot整合cxf-jaxrs中json转换的问题

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-test</artifactId>
	<scope>test</scope>
</dependency>
<!--cxf-jaxrs-starter-->
<dependency>
	<groupId>org.apache.cxf</groupId>
	<artifactId>cxf-spring-boot-starter-jaxrs</artifactId>
	<version>3.2.0</version>
</dependency>
<!--jaxrs转json工具-->
<dependency>
	<groupId>com.fasterxml.jackson.jaxrs</groupId>
	<artifactId>jackson-jaxrs-json-provider</artifactId>
	<version>2.8.5</version>
</dependency>

server:
  port: 9001
cxf:
  path: /services
  servlet.init:
    service-list-path: /info
  jaxrs:
    component-scan: true

@SpringBootApplication
public class CxfServerApplication { 
	public static void main(String[] args) {
		SpringApplication.run(CxfServerApplication.class, args);
	}
 
	// 配置一个对象与json转换的工具
	@Bean
	public JacksonJaxbJsonProvider jacksonJaxbJsonProvider() {
		return new JacksonJaxbJsonProvider();
	}
}

@Path("/customerService")
public interface CustomerService { 
    /**
     * 客户服务:根据id查询客户
     */
    @Path("/findById")
    @GET
    @Produces({"application/xml", "application/json"})
    Customer findById(@QueryParam("id")Integer id);
}

@Service
@Transactional
public class CustomerServiceImpl implements CustomerService { 
    @Autowired
    private CustomerDao customerDao; 
    @Override
    public Customer findById(Integer id) {
        // 调用dao, 从数据库查询客户
        return customerDao.findById(id);
    }
}

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--cxf-jaxrs-starter-->
<dependency>
	<groupId>org.apache.cxf</groupId>
	<artifactId>cxf-spring-boot-starter-jaxrs</artifactId>
	<version>3.2.0</version>
</dependency>
<!--jaxrs转json工具-->
<dependency>
	<groupId>com.fasterxml.jackson.jaxrs</groupId>
	<artifactId>jackson-jaxrs-json-provider</artifactId>
	<version>2.8.5</version>
</dependency>

@Component
public class JsonProvider extends ArrayList<JacksonJaxbJsonProvider> {    
    // 在构造方法中, 添加JacksonJaxbJsonProvider
    public JsonProvider(){
        this.add(new JacksonJaxbJsonProvider());
    }
}

@Controller
public class CustomerController { 
    // 注入配置的转json工具
    @Autowired
    private List<JacksonJaxbJsonProvider> jsonProvider; 
    @RequestMapping("/customer_findById")
    @ResponseBody
    public List<Customer> findById(Integer id) {
        //调用webservice获取查询数据
        Customer customer = WebClient
                .create("http://localhost:9001/services/customerService/findById?id="+id, jsonProvider)
                .accept(MediaType.APPLICATION_JSON).get(Customer.class);
        return customer;
    }
}

@XmlRootElement(name = "xxx")