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fix: 性能优化，首页下拉更新，实测6秒左右，稍慢 #1053

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Tim
2026-01-16 16:45:07 +08:00
parent 09f1435e33
commit ef39b5fedf
7 changed files with 193 additions and 32 deletions
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53
backend/src/main/java/com/openisle/service/PostService.java
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@@ -339,6 +339,7 @@ public class PostService {
post.setCategory(category);
post.setTags(new HashSet<>(tags));
post.setStatus(publishMode == PublishMode.REVIEW ? PostStatus.PENDING : PostStatus.PUBLISHED);
post.setLastReplyAt(LocalDateTime.now());
// 什么都没设置的情况下，默认为ALL
if (Objects.isNull(postVisibleScopeType)) {
@@ -809,9 +810,10 @@ public class PostService {
boolean hasTags = tagIds != null && !tagIds.isEmpty();
java.util.List<Post> posts;
Pageable pageable = buildPageable(page, pageSize);
if (!hasCategories && !hasTags) {
posts = postRepository.findByStatusOrderByViewsDesc(PostStatus.PUBLISHED);
posts = postRepository.findByStatusOrderByPinnedAtDescViewsDesc(PostStatus.PUBLISHED, pageable);
} else if (hasCategories) {
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (categories.isEmpty()) {
@@ -822,16 +824,18 @@ public class PostService {
if (tags.isEmpty()) {
return java.util.List.of();
}
posts = postRepository.findByCategoriesAndAllTagsOrderByViewsDesc(
posts = postRepository.findByCategoriesAndAllTagsOrderByPinnedAtDescViewsDesc(
categories,
tags,
PostStatus.PUBLISHED,
tags.size()
tags.size(),
pageable
);
} else {
posts = postRepository.findByCategoryInAndStatusOrderByViewsDesc(
posts = postRepository.findByCategoryInAndStatusOrderByPinnedAtDescViewsDesc(
categories,
PostStatus.PUBLISHED
PostStatus.PUBLISHED,
pageable
);
}
} else {
@@ -839,10 +843,15 @@ public class PostService {
if (tags.isEmpty()) {
return java.util.List.of();
}
posts = postRepository.findByAllTagsOrderByViewsDesc(tags, PostStatus.PUBLISHED, tags.size());
posts = postRepository.findByAllTagsOrderByPinnedAtDescViewsDesc(
tags,
PostStatus.PUBLISHED,
tags.size(),
pageable
);
}
return paginate(sortByPinnedAndViews(posts), page, pageSize);
return posts;
}
public List<Post> listPostsByLatestReply(Integer page, Integer pageSize) {
@@ -859,9 +868,13 @@ public class PostService {
boolean hasTags = tagIds != null && !tagIds.isEmpty();
java.util.List<Post> posts;
Pageable pageable = buildPageable(page, pageSize);
if (!hasCategories && !hasTags) {
posts = postRepository.findByStatusOrderByCreatedAtDesc(PostStatus.PUBLISHED);
posts = postRepository.findByStatusOrderByPinnedAtDescLastReplyAtDesc(
PostStatus.PUBLISHED,
pageable
);
} else if (hasCategories) {
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (categories.isEmpty()) {
@@ -872,16 +885,18 @@ public class PostService {
if (tags.isEmpty()) {
return java.util.List.of();
}
posts = postRepository.findByCategoriesAndAllTagsOrderByCreatedAtDesc(
posts = postRepository.findByCategoriesAndAllTagsOrderByPinnedAtDescLastReplyAtDesc(
categories,
tags,
PostStatus.PUBLISHED,
tags.size()
tags.size(),
pageable
);
} else {
posts = postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(
posts = postRepository.findByCategoryInAndStatusOrderByPinnedAtDescLastReplyAtDesc(
categories,
PostStatus.PUBLISHED
PostStatus.PUBLISHED,
pageable
);
}
} else {
@@ -889,14 +904,15 @@ public class PostService {
if (tags.isEmpty()) {
return new ArrayList<>();
}
posts = postRepository.findByAllTagsOrderByCreatedAtDesc(
posts = postRepository.findByAllTagsOrderByPinnedAtDescLastReplyAtDesc(
tags,
PostStatus.PUBLISHED,
tags.size()
tags.size(),
pageable
);
}
return paginate(sortByPinnedAndLastReply(posts), page, pageSize);
return posts;
}
public List<Post> listPostsByCategories(
@@ -1394,6 +1410,13 @@ public class PostService {
.toList();
}
private Pageable buildPageable(Integer page, Integer pageSize) {
if (page == null || pageSize == null) {
return Pageable.unpaged();
}
return PageRequest.of(page, pageSize);
}
private List<Post> paginate(List<Post> posts, Integer page, Integer pageSize) {
if (page == null || pageSize == null) {
return posts;