Spring mvc Spring MVC:使用Jackson objectMapper将查询参数反序列化到POJO
SpringWeb应用程序配置包含如下配置的JacksonSpring mvc Spring MVC:使用Jackson objectMapper将查询参数反序列化到POJO,spring-mvc,spring-boot,deserialization,jackson2,Spring Mvc,Spring Boot,Deserialization,Jackson2,SpringWeb应用程序配置包含如下配置的JacksonObjectMapper objectMapper.disable(ADJUST_DATES_TO_CONTEXT_TIME_ZONE) objectMapper.registerModule(new JavaTimeModule()) 添加了JavaTimeModule以处理ZoneDateTime的反序列化。有两个端点处理包含zoneDateTime的POJO。POJO是这样的: class MyRequest { Zo
ObjectMapper
objectMapper.disable(ADJUST_DATES_TO_CONTEXT_TIME_ZONE)
objectMapper.registerModule(new JavaTimeModule())
添加了JavaTimeModule
以处理ZoneDateTime
的反序列化。有两个端点处理包含zoneDateTime
的POJO。POJO是这样的:
class MyRequest {
ZonedDateTime from
ZonedDateTime to
}
具有端点的控制器是:
@Slf4j
@RestController
class MyController {
@GetMapping('/pojo')
void getPojo(MyRequest myRequest) {
log.debug("Request received: $myRequest")
}
@PostMapping('/pojo')
void postPojo(@RequestBody MyRequest myRequest) {
log.debug("Request received: $myRequest")
}
}
当我发送带有正文的POST/pojo时
{"from": "2017-03-15T00:00:00Z", "to": "2017-03-16T00:00:00Z"}
响应为200,反序列化成功
相反,当我发送
GET /pojo?from=2017-03-15T00:00:00Z&to=2017-03-15T00:00:00Z
收到错误的400错误请求
Failed to convert from type [java.lang.String] to type [java.time.ZonedDateTime] for value '2017-03-15T00:00:00Z'
这是有意义的,因为在GET请求中,我不发送JSON,因此不调用JSON对象映射器
有没有一种方法可以将objectMapper
也用于GET请求,从而将查询参数转换为POJO对象
顺便说一句,我知道它可以像下面这样对GET端点进行反序列化,但我想对GET端点和POST端点使用相同的转换器
@DateTimeFormat(iso = ISO.DATE_TIME)
ZonedDateTime from
@DateTimeFormat(iso = ISO.DATE_TIME)
ZonedDateTime to
注入
objectMapper
并将查询参数映射转换为对象解决了这个问题
@Slf4j
@RestController
class MyController {
@Autowired
private ObjectMapper objectMapper
@GetMapping('/pojo')
void getPojo(@RequestParam Map<String, String> allRequestParams) {
MyRequest request = objectMapper.convertValue(allRequestParams, MyRequest)
log.debug("Request received: $myRequest")
}
...
@Slf4j
@RestController
类MyController{
@自动连线
私有对象映射器对象映射器
@GetMapping(“/pojo”)
void getPojo(@RequestParam-Map-allRequestParams){
MyRequest request=objectMapper.convertValue(allRequestParams,MyRequest)
调试(“收到的请求:$myRequest”)
}
...
注入对象映射器
并将查询参数映射转换为对象解决了这个问题
@Slf4j
@RestController
class MyController {
@Autowired
private ObjectMapper objectMapper
@GetMapping('/pojo')
void getPojo(@RequestParam Map<String, String> allRequestParams) {
MyRequest request = objectMapper.convertValue(allRequestParams, MyRequest)
log.debug("Request received: $myRequest")
}
...
@Slf4j
@RestController
类MyController{
@自动连线
私有对象映射器对象映射器
@GetMapping(“/pojo”)
void getPojo(@RequestParam-Map-allRequestParams){
MyRequest request=objectMapper.convertValue(allRequestParams,MyRequest)
调试(“收到的请求:$myRequest”)
}
...