Spring Boot API-验证请求头值

Question

我有一个包含请求头的春季启动API，我想验证这些请求头，例如，我将activity-id作为头，并将min和max属性设置为3，因此其长度应为3。类似地，我也添加了regex模式。我在类级别的@validated注释中尝试了这一点，但它并没有验证这些约束。它允许使用长度大于3的activity-id来命中API。类似地，我有大约10个头需要验证。请指导如何在春季启动API中验证请求头。

它对请求模型的验证和对标头的验证只显示但不显示标头值。

@PostMapping(value = "/demo")
public ResponseEntity<TransactionResponse> doTransaction(
@RequestBody @Valid TransactionRequest transactionRequest, final BindingResult bindingResult,
@RequestHeader(value = "Authorization", required = true) String token,
@RequestHeader(value = "activity-id") @Pattern(regexp = "^[0-9]+$", message = "activity-id should be a 3-digit number.") @Size(min = 3, max = 3, message = "activity-id should be a 3-digit number.") String activityId)
throws TransactionException, ValidationException {
// implementation
}

Answer 1

对Controller类使用@Validated。

像这样的东西。

@Controller
@Validated //  <----  Add this
public class TestController {
@PostMapping(value = "/demo")
public ResponseEntity<TransactionResponse> doTransaction(
@RequestBody @Valid TransactionRequest transactionRequest, final BindingResult bindingResult,
@RequestHeader(value = "Authorization", required = true) String token,
@RequestHeader(value = "activity-id") @Pattern(regexp = "^[0-9]+$", message = "activity-id should be a 3-digit number.") @Size(min = 3, max = 3, message = "activity-id should be a 3-digit number.") String activityId)
throws TransactionException, ValidationException {
// implementation
}

Answer 2

问题在于spring引导版本，我使用2.4.9，而版本2.3 Validation Starter不再包含在web启动器中，因此我们需要显式添加以下验证器依赖项来处理验证。

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>