代码生成：支持设置主子表的信息

yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/collection/CollectionUtils.java

@@ -238,7 +238,7 @@ public class CollectionUtils {
         if (CollUtil.isEmpty(from)) {
             return null;
         }
-        assert from.size() > 0; // 断言，避免告警
+        assert !from.isEmpty(); // 断言，避免告警
         T t = from.stream().max(Comparator.comparing(valueFunc)).get();
         return valueFunc.apply(t);
     }

yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java

@@ -93,10 +93,15 @@ public interface BaseMapperX<T> extends MPJBaseMapper<T> {
         return selectList(new LambdaQueryWrapper<T>().in(field, values));
     }
 
+    @Deprecated
     default List<T> selectList(SFunction<T, ?> leField, SFunction<T, ?> geField, Object value) {
         return selectList(new LambdaQueryWrapper<T>().le(leField, value).ge(geField, value));
     }
 
+    default List<T> selectList(SFunction<T, ?> field1, Object value1, SFunction<T, ?> field2, Object value2) {
+        return selectList(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2));
+    }
+
     /**
      * 批量插入，适合大量数据插入
      *