文件工具类拓展

ruoyi-common/src/main/java/com/ruoyi/common/core/service/BaseService.java

@@ -13,6 +13,8 @@ import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.AttributeAssignBuilder;
 import com.ruoyi.common.utils.wrapper.IWrapper;
 
+import java.io.Serializable;
+import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -45,6 +47,10 @@ public interface BaseService<T extends BaseIdPo> extends IService<T> {
         Assert.equals(count, 0L, errorMsgTemplate, params);
     }
 
+    default Map<Long, T> byIdsToMap(Collection<? extends Serializable> ids) {
+        return listByIds(ids).stream().collect(Collectors.toMap(BaseIdPo::getId, Function.identity()));
+    }
+
     default long count(Consumer<LambdaQueryWrapper<T>> consumer) {
         return count(Wrappers.<T>lambdaQuery().func(ObjectUtil.isNotEmpty(consumer), consumer));
     }