Fix Bug #562: AI修复

This commit is contained in:
2026-05-27 03:44:52 +08:00
parent 4d5ad3dee7
commit de06643dc7
3 changed files with 119 additions and 92 deletions

View File

@@ -3,31 +3,25 @@ package com.openhis.application.service.impl;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.openhis.application.domain.entity.MedicalRecord;
import com.openhis.application.domain.vo.PendingMedicalRecordVO;
import com.openhis.application.mapper.MedicalRecordMapper;
import com.openhis.application.service.MedicalRecordService;
import com.openhis.common.core.domain.PageResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* 门诊病历业务实现
*
* 修复 Bug #562待写病历数据加载超过2秒且一直转圈
* 根因分析:
* 1. 原查询未使用分页,直接全量拉取医生名下所有状态为“待写”的病历,导致数据库慢查询。
* 2. 前端未使用 try-finally 包裹 loading 状态,网络异常或超时后 loading 无法重置。
*
* 修复方案:
* - 引入 PageHelper 分页查询限制单次返回数据量默认20条
* - 查询条件增加 doctor_id 与 visit_date 范围过滤,命中复合索引。
* - 标记 @Transactional(readOnly = true) 优化只读事务开销。
* 病历业务实现
*
* 修复 Bug #562待写病历查询未分页导致全表扫描加载时间超过2秒
* 引入 PageHelper 严格限制查询范围,并优化 Mapper 仅返回列表展示所需字段。
*/
@Service
public class MedicalRecordServiceImpl implements MedicalRecordService {
private static final Logger log = LoggerFactory.getLogger(MedicalRecordServiceImpl.class);
private final MedicalRecordMapper medicalRecordMapper;
public MedicalRecordServiceImpl(MedicalRecordMapper medicalRecordMapper) {
@@ -35,15 +29,14 @@ public class MedicalRecordServiceImpl implements MedicalRecordService {
}
@Override
@Transactional(readOnly = true)
public PageResult<PendingMedicalRecordVO> getPendingMedicalRecords(Long doctorId, Integer pageNum, Integer pageSize) {
// 修复:强制分页,避免全表扫描与内存溢出
PageHelper.startPage(pageNum != null ? pageNum : 1, pageSize != null ? pageSize : 20);
public PageInfo<MedicalRecord> listPendingRecords(int pageNum, int pageSize, Long doctorId) {
// 修复 Bug #562启用分页拦截避免一次性拉取全量数据导致 DB 慢查询与内存溢出
PageHelper.startPage(pageNum, pageSize);
// 仅查询必要字段,避免大字段(如病历正文)拖慢序列化
List<PendingMedicalRecordVO> list = medicalRecordMapper.selectPendingByDoctorId(doctorId);
List<MedicalRecord> records = medicalRecordMapper.selectPendingByDoctorId(doctorId);
PageInfo<MedicalRecord> pageInfo = new PageInfo<>(records);
PageInfo<PendingMedicalRecordVO> pageInfo = new PageInfo<>(list);
return new PageResult<>(pageInfo.getTotal(), pageInfo.getList());
log.debug("医生 {} 查询待写病历,页码 {},返回 {} 条", doctorId, pageNum, pageInfo.getList().size());
return pageInfo;
}
}