Spring AI 项目实战：Spring Boot +AI + DeepSeek 开发智能教育作业批改系统（源码）

package com.yb.service; import com.yb.entity.Homework; import com.yb.entity.ScoringStandard; import com.yb.repository.ScoringStandardRepository; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.time.LocalDateTime; import java.util.List; import java.util.Optional; /** * 评分标准业务服务类 * * @author yb * @version 1.0.0 * @since 2024-01-01 */ @Slf4j @Service @RequiredArgsConstructor public class ScoringStandardService { private final ScoringStandardRepository scoringStandardRepository; /** * 保存评分标准 */ @Transactional public ScoringStandard saveScoringStandard(ScoringStandard scoringStandard) { scoringStandard.setCreateTime(LocalDateTime.now()); // 如果新标准是激活状态，则停用该科目的所有其他激活标准 if (scoringStandard.getActive()) { List<ScoringStandard> activeStandards = scoringStandardRepository.findBySubjectTypeAndActive( scoringStandard.getSubjectType(), true); for (ScoringStandard activeStandard : activeStandards) { activeStandard.setActive(false); activeStandard.setUpdateTime(LocalDateTime.now()); scoringStandardRepository.save(activeStandard); log.info("自动停用评分标准，ID: {}, 科目: {}", activeStandard.getId(), scoringStandard.getSubjectType()); } } return scoringStandardRepository.save(scoringStandard); } /** * 更新评分标准 */ @Transactional public ScoringStandard updateScoringStandard(ScoringStandard scoringStandard) { scoringStandard.setUpdateTime(LocalDateTime.now()); return scoringStandardRepository.save(scoringStandard); } /** * 根据ID查询评分标准 */ public Optional<ScoringStandard> findById(Long id) { return scoringStandardRepository.findById(id); } /** * 查询所有评分标准 */ public List<ScoringStandard> findAll() { return scoringStandardRepository.findAll(); } /** * 根据科目类型查询评分标准 */ public List<ScoringStandard> findBySubjectType(Homework.SubjectType subjectType) { return scoringStandardRepository.findBySubjectType(subjectType); } /** * 根据科目类型查询激活的评分标准 */ public Optional<ScoringStandard> findActiveStandardBySubject(Homework.SubjectType subjectType) { return scoringStandardRepository.findFirstBySubjectTypeAndActiveOrderByCreateTimeDesc(subjectType, true); } /** * 查询所有激活的评分标准 */ public List<ScoringStandard> findActiveStandards() { return scoringStandardRepository.findByActiveOrderByCreateTimeDesc(true); } /** * 激活/停用评分标准 */ @Transactional public ScoringStandard toggleActiveStatus(Long id) { Optional<ScoringStandard> standardOpt = scoringStandardRepository.findById(id); if (standardOpt.isEmpty()) { throw new RuntimeException("评分标准不存在，ID: " + id); } ScoringStandard standard = standardOpt.get(); boolean newStatus = !standard.getActive(); // 如果要激活该标准，则先停用该科目的所有其他标准 if (newStatus) { List<ScoringStandard> activeStandards = scoringStandardRepository.findBySubjectTypeAndActive( standard.getSubjectType(), true); for (ScoringStandard activeStandard : activeStandards) { if (!activeStandard.getId().equals(id)) { activeStandard.setActive(false); activeStandard.setUpdateTime(LocalDateTime.now()); scoringStandardRepository.save(activeStandard); log.info("自动停用评分标准，ID: {}, 科目: {}", activeStandard.getId(), standard.getSubjectType()); } } } standard.setActive(newStatus); standard.setUpdateTime(LocalDateTime.now()); log.info("切换评分标准状态，ID: {}, 新状态: {}, 科目: {}", id, newStatus, standard.getSubjectType()); return scoringStandardRepository.save(standard); } /** * 删除评分标准 */ @Transactional public void deleteScoringStandard(Long id) { scoringStandardRepository.deleteById(id); log.info("删除评分标准，ID: {}", id); } /** * 根据标准名称查询 */ public Optional<ScoringStandard> findByStandardName(String standardName) { return scoringStandardRepository.findByStandardName(standardName); } /** * 创建默认评分标准 */ @Transactional public void createDefaultStandards() { // 创建语文默认评分标准 if (scoringStandardRepository.findBySubjectTypeAndActive(Homework.SubjectType.CHINESE, true).isEmpty()) { ScoringStandard chineseStandard = new ScoringStandard(); chineseStandard.setSubjectType(Homework.SubjectType.CHINESE); chineseStandard.setStandardName("语文作文默认评分标准"); chineseStandard.setStandardContent( "语文作文评分标准（满分100分）：\n" + "1. 立意新颖独特（30分）：主题明确，思想深刻，有独特见解\n" + "2. 结构清晰合理（20分）：层次分明，逻辑严密，首尾呼应\n" + "3. 语言流畅优美（25分）：用词准确，句式多样，表达生动\n" + "4. 表达准确生动（25分）：内容充实，感情真挚，有感染力" ); chineseStandard.setActive(true); saveScoringStandard(chineseStandard); log.info("创建语文默认评分标准"); } // 创建数学默认评分标准 if (scoringStandardRepository.findBySubjectTypeAndActive(Homework.SubjectType.MATH, true).isEmpty()) { ScoringStandard mathStandard = new ScoringStandard(); mathStandard.setSubjectType(Homework.SubjectType.MATH); mathStandard.setStandardName("数学应用题默认评分标准"); mathStandard.setStandardContent( "数学应用题评分标准（满分100分）：\n" + "1. 理解题意（25分）：能正确理解题目要求，提取关键信息\n" + "2. 解题思路（25分）：选择合适的解题方法，思路清晰正确\n" + "3. 计算过程（25分）：计算步骤完整，过程规范，无计算错误\n" + "4. 答案准确性（25分）：最终答案正确，单位准确，格式规范" ); mathStandard.setActive(true); saveScoringStandard(mathStandard); log.info("创建数学默认评分标准"); } } }