feat: codegen add ColumnConfigFactory config support

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/ColumnConfigFactory.java

@@ -0,0 +1,21 @@
+/*
+ *  Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.mybatisflex.codegen.config;
+
+public interface ColumnConfigFactory {
+
+    ColumnConfig getColumnConfig(String tableName, String columnName);
+}

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/GlobalConfig.java

@@ -670,6 +670,14 @@ public class GlobalConfig implements Serializable {
         return getStrategyConfig().getColumnConfig(tableName, columnName);
     }
 
+    public ColumnConfigFactory getColumnConfigFactory() {
+        return getStrategyConfig().getColumnConfigFactory();
+    }
+
+    public void setColumnConfigFactory(ColumnConfigFactory columnConfigFactory) {
+        getStrategyConfig().setColumnConfigFactory(columnConfigFactory);
+    }
+
     /**
      * @see StrategyConfig#isGenerateForView()
      */

mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/config/StrategyConfig.java

@@ -70,6 +70,11 @@ public class StrategyConfig implements Serializable {
      */
     private Map<String, ColumnConfig> columnConfigMap;
 
+    /**
+     * 自定义列配置工厂。
+     */
+    private ColumnConfigFactory columnConfigFactory;
+
     /**
      * 需要生成的表在哪个模式下
      */
@@ -154,8 +159,12 @@ public class StrategyConfig implements Serializable {
     public ColumnConfig getColumnConfig(String tableName, String columnName) {
         ColumnConfig columnConfig = null;
 
+        if (columnConfigFactory != null) {
+            columnConfig = columnConfigFactory.getColumnConfig(tableName, columnName);
+        }
+
         TableConfig tableConfig = getTableConfig(tableName);
-        if (tableConfig != null) {
+        if (columnConfig == null && tableConfig != null) {
             columnConfig = tableConfig.getColumnConfig(columnName);
         }
 
@@ -208,6 +217,14 @@ public class StrategyConfig implements Serializable {
         return this;
     }
 
+    public ColumnConfigFactory getColumnConfigFactory() {
+        return columnConfigFactory;
+    }
+
+    public void setColumnConfigFactory(ColumnConfigFactory columnConfigFactory) {
+        this.columnConfigFactory = columnConfigFactory;
+    }
+
     /**
      * 设置生成哪些表。
      */