根因:getSurgeryScheduleDetail SQL中 os.* 包含 os.incision_level(NULL), 与 cs.incision_level AS "incisionLevel" 产生列名冲突,MyBatis resultType 映射时将NULL值覆盖实际数据,导致前端form.incisionType为undefined。 修复:将 os.* 替换为显式列选择(排除os.incision_level),确保incisionLevel 只被 cs.incision_level 映射一次。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
67 lines
3.0 KiB
Markdown
67 lines
3.0 KiB
Markdown
# Bug #434 修复分析报告(追加)
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## 问题:编辑弹窗中"切口类型"字段未正确回显数据
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## 根因分析(数据流追踪)
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### 1. SQL 查询 `getSurgeryScheduleDetail`(Mapper XML 第77-114行)
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```sql
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SELECT os.*, cs.incision_level AS "incisionLevel", ...
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FROM op_schedule os
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INNER JOIN cli_surgery cs ON os.oper_code = cs.surgery_no
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```
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### 2. 关键矛盾:`os.*` 包含了 `os.incision_level`
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- `os.*` 展开所有 `op_schedule` 表列,包括 `os.incision_level`(NULL)
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- 后面又显式选了 `cs.incision_level AS "incisionLevel"`(实际值,如 1)
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### 3. MyBatis `resultType` 映射冲突
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MyBatis 使用 `resultType` 时按**列在结果集中的出现顺序**映射到 DTO 属性:
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1. 第一列 `os.incision_level`(snake_case → `incisionLevel`)→ NULL
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2. 后面列 `cs.incision_level AS "incisionLevel"` → `incisionLevel` → 1
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**当两列映射到同一属性时,第一列的值可能覆盖第二列**(取决于 MyBatis 版本和配置),导致 `incisionLevel` 为 NULL。
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### 4. 前端影响
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```javascript
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if (data.incisionLevel != null) form.incisionType = Number(data.incisionLevel)
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```
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当 `data.incisionLevel` 为 NULL 时,`form.incisionType` 保持 `undefined`,el-select 无法匹配到任何选项,显示"请选择切口类型"。
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### 5. 数据库验证
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```sql
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SELECT os.incision_level, cs.incision_level FROM op_schedule os
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INNER JOIN cli_surgery cs ON os.oper_code = cs.surgery_no;
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-- 结果: os.incision_level = NULL, cs.incision_level = 1(有数据)
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```
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## 修复方案
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### 将 `os.*` 替换为显式列选择(排除 `os.incision_level`)
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```diff
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- SELECT os.*,
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+ SELECT os.schedule_id, os.tenant_id, os.apply_id, os.patient_id, os.visit_id,
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+ os.oper_code, os.oper_name, os.preoperative_diagnosis, os.postoperative_diagnosis,
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+ os.schedule_date, os.sequence_no, os.is_first_surgery, os.is_allergy_medication,
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+ os.allergy_remark, os.surgery_nature, os.surgery_site,
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+ os.admission_time, os.entry_time, os.room_code, os.table_no,
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+ os.anes_method, os.anes_doctor1_code, os.anes_doctor2_code, os.anes_doctor3_code,
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+ os.scrub_nurse_code, os.circu_nurse1_code, os.circu_nurse2_code,
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+ os.scrub_nurse1_code, os.scrub_nurse2_code, os.surgeon_code,
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+ os.assistant1_code, os.assistant2_code, os.assistant3_code,
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+ os.start_time, os.end_time, os.anes_start, os.anes_end,
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+ os.oper_status, os.implant_flag, os.implant_serial,
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+ os.blood_loss, os.blood_trans, os.infection_diagnosis, os.isolation_type,
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+ os.patient_weight, os.patient_height, os.communication_info,
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+ os.is_external_expert, os.external_expert_name, os.fee_type,
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+ os.remark, os.create_time, os.creator_id, os.update_time, os.tenant_id,
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+ os.delete_flag, os.update_by, os.create_by, os.updater_id,
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os.oper_code AS surgeryNo,
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...
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cs.incision_level AS "incisionLevel",
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...
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```
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这样 `incisionLevel` 只被 `cs.incision_level AS "incisionLevel"` 映射一次,保证正确获取值。
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