fix: 添加报名时间和比赛结束时间校验

- 报名时检查报名时间是否在有效范围内
- 报名时检查比赛是否已结束
- 如果比赛已结束，返回错误提示

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/main/java/org/springblade/modules/martial/controller/MartialRegistrationOrderController.java

@@ -12,18 +12,21 @@ import org.springblade.core.secure.utils.AuthUtil;
 import org.springblade.core.tool.api.R;
 import org.springblade.core.tool.utils.Func;
 import org.springblade.modules.martial.pojo.entity.MartialAthlete;
+import org.springblade.modules.martial.pojo.entity.MartialCompetition;
 import org.springblade.modules.martial.pojo.entity.MartialRegistrationOrder;
 import org.springblade.modules.martial.pojo.entity.MartialTeam;
 import org.springblade.modules.martial.pojo.entity.MartialTeamMember;
 import org.springblade.modules.martial.pojo.dto.RegistrationSubmitDTO;
 import org.springblade.modules.martial.pojo.vo.MartialRegistrationOrderVO;
 import org.springblade.modules.martial.service.IMartialAthleteService;
+import org.springblade.modules.martial.service.IMartialCompetitionService;
 import org.springblade.modules.martial.service.IMartialRegistrationOrderService;
 import org.springblade.modules.martial.service.IMartialTeamService;
 import org.springblade.modules.martial.mapper.MartialTeamMemberMapper;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 @Slf4j
@@ -36,6 +39,7 @@ public class MartialRegistrationOrderController extends BladeController {
 	private final IMartialRegistrationOrderService registrationOrderService;
 	private final IMartialAthleteService athleteService;
 	private final IMartialTeamService teamService;
+	private final IMartialCompetitionService competitionService;
 	private final MartialTeamMemberMapper teamMemberMapper;
 
 	@GetMapping("/detail")
@@ -69,6 +73,27 @@ public class MartialRegistrationOrderController extends BladeController {
 		log.info("联系电话: {}", dto.getContactPhone());
 		log.info("总金额: {}", dto.getTotalAmount());
 		
+		// Validate competition exists and check registration/competition time
+		MartialCompetition competition = competitionService.getById(dto.getCompetitionId());
+		if (competition == null) {
+			return R.fail("赛事不存在");
+		}
+		
+		LocalDateTime now = LocalDateTime.now();
+		
+		// Check if registration time is valid
+		if (competition.getRegistrationStartTime() != null && now.isBefore(competition.getRegistrationStartTime())) {
+			return R.fail("报名尚未开始");
+		}
+		if (competition.getRegistrationEndTime() != null && now.isAfter(competition.getRegistrationEndTime())) {
+			return R.fail("报名已结束");
+		}
+		
+		// Check if competition has ended
+		if (competition.getCompetitionEndTime() != null && now.isAfter(competition.getCompetitionEndTime())) {
+			return R.fail("比赛已结束，无法报名");
+		}
+		
 		// Create order entity
 		MartialRegistrationOrder order = new MartialRegistrationOrder();
 		order.setOrderNo(dto.getOrderNo());