Spring RestController映射方法在使用有效的JSON主体发出请求时具有空字段的对象

Question

我正在尝试在我的@RestController上测试我的@PostMap。该控制器如下所示：

@RestController
public class MyTestController
{
    private static final Logger logger = LogManager.getLogger();

    @PostMapping(path = "/foo")
    public String add(@Valid Boo boo, HttpServletRequest request)
    {
        if (LoadManager.insert(request.getRemoteAddr()) < 3)
            try
            {
                BooManager.persist(boo);
                return "1";
            }
            catch (Exception e)
            {
                logger.error(ExceptionUtils.getStackTrace(e));
            }
        return "0";
    }
}

然而，boo当我在add方法中进行调试时发出post请求并查看boo对象时，字段都是空的。

请求正文：

{
    "officialName" : "test",
    "phone" : "test",
    "email" : "test",
    "churchArea" : "test",
    "deanery" : "test",
    "town" : "test",
    "pass" : "test152S56"
}

请求标头Content-Type设置为Application/json

Boo类：

@Data
public class Boo
{
    @Size(max = 1000)
    @NotBlank
    private String officialName;

    @Size(max = 100)
    @NotBlank
    private String phone;

    @Size(max = 100)
    @NotBlank
    private String email;

    @Size(max = 100)
    @NotBlank
    private String churchArea;

    @Size(max = 100)
    @NotBlank
    private String deanery;

    @Size(max = 100)
    @NotBlank
    private String town;

    @Size(max = 1000)
    @NotBlank
    private String pass;
}

@data注释来自lombok，它为该类生成公共getter和setter等。

Answer 1

当需要将请求主体绑定到方法参数时，应该使用@RequestBody注释。这就是为什么Boo对象属性为空。

@PostMapping(path = "/foo")
public String add(@RequestBody Boo boo, HttpServletRequest request)

文件：https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/bind/annotation/RequestBody.html