From 93577cab8e31579a9c02e87d6292b9c70f9c98fd Mon Sep 17 00:00:00 2001
From: shahaibo <1023316923@qq.com>
Date: Wed, 15 Nov 2023 10:22:55 +0800
Subject: [PATCH] =?UTF-8?q?TASK:=20library=E5=85=B3=E8=81=94=E5=88=86?=
 =?UTF-8?q?=E7=B1=BB;?=
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---
 .../ai/da/service/impl/LibraryServiceImpl.java | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java b/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
index 73d17a2e..d8cd06eb 100644
--- a/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/LibraryServiceImpl.java
@@ -136,14 +136,18 @@ public class LibraryServiceImpl extends ServiceImpl<LibraryMapper, Library> impl
         // 新增分类过滤
         if (CollectionUtil.isNotEmpty(query.getClassificationIdList())) {
             List<Long> libraryIdList = new ArrayList<>();
-            for (Long classificationId : query.getClassificationIdList()) {
-                libraryIdList.addAll(classificationService.getLibraryIdListByClassificationId(classificationId));
-            }
-            if (CollectionUtil.isNotEmpty(libraryIdList)) {
-                queryWrapper.lambda().in(Library::getId, libraryIdList);
-            }else {
-                return PageBaseResponse.success(new Page<>());
+            for (int i = 0; i < query.getClassificationIdList().size(); i++) {
+                List<Long> libraryIdListByClassificationId = classificationService.getLibraryIdListByClassificationId(query.getClassificationIdList().get(i));
+                if (i == 0) {
+                    libraryIdList.addAll(libraryIdListByClassificationId);
+                }else {
+                    libraryIdList.retainAll(libraryIdListByClassificationId);
+                }
+                if (CollectionUtil.isEmpty(libraryIdList)) {
+                    return PageBaseResponse.success(new Page<>());
+                }
             }
+            queryWrapper.lambda().in(Library::getId, libraryIdList);
         }
         queryWrapper.orderByDesc("id");
         IPage<Library> page = getBaseMapper().selectPage(