Kotlin + Spring Boot 请求参数验证的代码实例

data class UserRegisterModel(
    @get: NotEmpty(message = "User name is required")
    @get: Size(message = "Length of user name must be between 6 and 20", min = 6, max = 20)
    var username: String,

    @get: NotEmpty(message = "Password is required")
    var password: String,

    @get: NotEmpty(message = "Email is required")
    @get: Email
    var email: String)

/**
 * 用户注册接口
 */
@PostMapping
fun register(@Valid @RequestBody model: UserRegisterModel): Any {
  val user = User(userName = model.username, password = model.password, email = model.email)
  userRepo.save(user)
  return user
}