Spring RestController:拒绝具有未知字段的请求 [英] Spring RestController : reject request with unknown fields

问题描述

我有以下端点:

import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
import static org.springframework.web.bind.annotation.RequestMethod.POST;

@RestController
public class TestController {

    @RequestMapping(value = "/persons", method = POST, consumes = APPLICATION_JSON_VALUE, produces = APPLICATION_JSON_VALUE)
    public ResponseEntity<Integer> create(@RequestBody Person person) {
        // create person and return id
    }
}

今天，如果我收到带有这样未知字段的请求:

Today if I received a request with an unknown field like this :

{
    "name" : "Pete",
    "bijsdf" : 51
}

我创建了这个人，而忽略了未知字段.

I create the person and ignore the unknown field.

如何检查是否存在未知字段，然后返回错误的请求?

How can I check that there's an unknown field and then return a bad request ?

推荐答案

Spring(4.1.2-RELEASE)使用链接配置弹簧. 感谢您的帮助

Spring (4.1.2-RELEASE) use it's Jackson2ObjectMapperBuilder that by default disable FAIL_ON_UNKNOWN_PROPERTIES on overload jackson default behaviour. See this link to configure spring. Thx all for your helps

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