From a0020f033980ab047e0fb37004d03327dcebbbf9 Mon Sep 17 00:00:00 2001
From: YunaiV <zhijiantianya@gmail.com>
Date: Sun, 7 Jul 2024 09:13:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=BB=E5=AD=90=E8=A1=A8ER?=
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---
 .../src/main/resources/codegen/java/dal/mapper_sub.vm     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm b/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
index e5589e99d..6ccaea79e 100644
--- a/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
+++ b/yudao-module-infra/yudao-module-infra-biz/src/main/resources/codegen/java/dal/mapper_sub.vm
@@ -29,6 +29,12 @@ public interface ${subTable.className}Mapper extends BaseMapperX<${subTable.clas
             .orderByDesc(${subTable.className}DO::getId));## 大多数情况下，id 倒序
 
     }
+## 主表与子表是一对一时 
+    #if (!$subTable.subJoinMany)
+        default ${subTable.className}DO selectBy${SubJoinColumnName}(${subJoinColumn.javaType} ${subJoinColumn.javaField}) {
+        return selectOne(${subTable.className}DO::get${SubJoinColumnName}, ${subJoinColumn.javaField});
+        }
+    #end
 
 ## 情况二：非 MASTER_ERP 时，需要列表查询子表
 #else
@@ -48,4 +54,4 @@ public interface ${subTable.className}Mapper extends BaseMapperX<${subTable.clas
         return delete(${subTable.className}DO::get${SubJoinColumnName}, ${subJoinColumn.javaField});
     }
 
-}
\ No newline at end of file
+}