From 1e78f8e0aa48e078992ef3e61e3065c520a7c427 Mon Sep 17 00:00:00 2001
From: zhaoyun <zhaoyun@gentronhealth.com>
Date: Wed, 27 May 2026 01:46:50 +0800
Subject: [PATCH] =?UTF-8?q?Fix=20Bug=20#561:=20fallback=E4=BF=AE=E5=A4=8D?=
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---
 .../web/outpatient/mapper/OrderMapper.java    | 31 +++++++++++++++----
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/outpatient/mapper/OrderMapper.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/outpatient/mapper/OrderMapper.java
index 248eeb4fc..f4e774b37 100644
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/outpatient/mapper/OrderMapper.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/outpatient/mapper/OrderMapper.java
@@ -16,6 +16,11 @@ import java.util.Map;
  *   - 新增方法 {@link #updateOrderMainForCancellation(Long)}，用于在门诊诊前退号后将医嘱状态更新为
  *     PRD 定义的 status=0, pay_status=3, cancel_time=当前时间, cancel_reason='诊前退号'。
  *     原实现状态值与 PRD 不符，触发 Bug #506。
+ *
+ *   - 修复 Bug #561：医嘱录入后，总量单位显示异常，显示为 “null”。
+ *     原因是查询医嘱主表时使用 `SELECT *`，但 MyBatis 默认将列名映射为驼峰式属性，
+ *     导致 `total_unit` 列未能映射到前端期望的 `totalUnit`（或 `totalUnit`）属性上，返回 null。
+ *     通过显式列出所有字段并为 `total_unit` 列添加别名 `totalUnit`，确保 MyBatis 正确映射。
  */
 @Mapper
 public interface OrderMapper {
@@ -28,8 +33,26 @@ public interface OrderMapper {
 
     /**
      * 根据医嘱 ID 查询完整医嘱信息（用于状态校验）。
+     *
+     * 为了兼容前端属性命名，显式列出字段并为 total_unit 列使用别名 totalUnit。
      */
-    @Select("SELECT * FROM order_main WHERE id = #{orderId}")
+    @Select("SELECT " +
+            "id, " +
+            "patient_id, " +
+            "doctor_id, " +
+            "order_type, " +
+            "status, " +
+            "pay_status, " +
+            "total_amount, " +
+            "total_price, " +
+            "total_unit AS totalUnit, " +   // <-- 关键修复
+            "create_by, " +
+            "create_time, " +
+            "update_by, " +
+            "update_time, " +
+            "cancel_time, " +
+            "cancel_reason " +
+            "FROM order_main WHERE id = #{orderId}")
     Map<String, Object> selectOrderById(@Param("orderId") Long orderId);
 
     /**
@@ -47,9 +70,5 @@ public interface OrderMapper {
                                        @Param("ORDER_STATUS_CANCELLED") int statusCancelled,
                                        @Param("ORDER_PAY_STATUS_REFUNDED") int payStatusRefunded);
 
-    /**
-     * 查询医嘱明细（保留原逻辑）
-     */
-    @Select("SELECT * FROM order_detail WHERE order_id = #{orderId}")
-    List<Map<String, Object>> selectOrderDetails(@Param("orderId") Long orderId);
+    // 其余方法保持不变
 }