1

keyBoard/Class/AiTalk/V/KBAICommentView.m

@@ -16,6 +16,7 @@
 #import "AiVM.h"
 #import <MJExtension/MJExtension.h>
 #import <Masonry/Masonry.h>
+#import <MJRefresh/MJRefresh.h>
 
 static NSString *const kCommentHeaderIdentifier = @"CommentHeader";
 static NSString *const kReplyCellIdentifier = @"ReplyCell";
@@ -33,6 +34,12 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
 @property(nonatomic, strong) NSMutableArray<KBAICommentModel *> *comments;
 @property(nonatomic, assign) NSInteger totalCommentCount;
 
+/// 分页参数
+@property(nonatomic, assign) NSInteger currentPage;
+@property(nonatomic, assign) NSInteger pageSize;
+@property(nonatomic, assign) BOOL isLoading;
+@property(nonatomic, assign) BOOL hasMoreData;
+
 /// 键盘高度
 @property(nonatomic, assign) CGFloat keyboardHeight;
 /// 输入框底部约束
@@ -56,6 +63,9 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
   self = [super initWithFrame:frame];
   if (self) {
     self.comments = [NSMutableArray array];
+    self.currentPage = 1;
+    self.pageSize = 20;
+    self.hasMoreData = YES;
     [self setupUI];
     [self setupKeyboardObservers];
   }
@@ -114,6 +124,20 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
     make.left.right.equalTo(self);
     make.bottom.equalTo(self.inputView.mas_top);
   }];
+
+  // 上拉加载更多
+  __weak typeof(self) weakSelf = self;
+  MJRefreshAutoNormalFooter *footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
+    __strong typeof(weakSelf) strongSelf = weakSelf;
+    if (!strongSelf) {
+      return;
+    }
+    [strongSelf loadMoreComments];
+  }];
+  footer.stateLabel.hidden = YES;
+  footer.backgroundColor = [UIColor clearColor];
+  footer.automaticallyHidden = YES;
+  self.tableView.mj_footer = footer;
 }
 
 #pragma mark - Keyboard Observers
@@ -174,49 +198,87 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
 #pragma mark - Data Loading
 
 - (void)loadComments {
+  if (self.isLoading) {
+    return;
+  }
+
+  self.currentPage = 1;
+  self.hasMoreData = YES;
+  [self.tableView.mj_footer resetNoMoreData];
+
+  [self fetchCommentsAtPage:self.currentPage append:NO];
+}
+
+- (void)loadMoreComments {
+  if (self.isLoading) {
+    [self.tableView.mj_footer endRefreshing];
+    return;
+  }
+
+  if (!self.hasMoreData) {
+    [self.tableView.mj_footer endRefreshingWithNoMoreData];
+    return;
+  }
+
+  NSInteger nextPage = self.currentPage + 1;
+  [self fetchCommentsAtPage:nextPage append:YES];
+}
+
+- (void)fetchCommentsAtPage:(NSInteger)page append:(BOOL)append {
   if (self.companionId <= 0) {
     NSLog(@"[KBAICommentView] companionId 未设置，无法加载评论");
     [self showEmptyState];
+    [self.tableView.mj_footer endRefreshing];
     return;
   }
+
+  self.isLoading = YES;
   
   __weak typeof(self) weakSelf = self;
   [self.aiVM fetchCommentsWithCompanionId:self.companionId
-                                   pageNum:1
-                                  pageSize:20
+                                   pageNum:page
+                                  pageSize:self.pageSize
                                 completion:^(KBCommentPageModel *pageModel, NSError *error) {
     __strong typeof(weakSelf) strongSelf = weakSelf;
     if (!strongSelf) {
       return;
     }
+
+    strongSelf.isLoading = NO;
     
     if (error) {
       NSLog(@"[KBAICommentView] 加载评论失败：%@", error.localizedDescription);
-      // 加载失败也显示空态
       dispatch_async(dispatch_get_main_queue(), ^{
-        [strongSelf showEmptyStateWithError];
+        if (append) {
+          [strongSelf.tableView.mj_footer endRefreshing];
+        } else {
+          [strongSelf showEmptyStateWithError];
+        }
       });
       return;
     }
     
     dispatch_async(dispatch_get_main_queue(), ^{
-      [strongSelf updateCommentsWithPageModel:pageModel];
+      [strongSelf updateCommentsWithPageModel:pageModel append:append];
     });
   }];
 }
 
 /// 更新评论数据（从后端返回的 KBCommentPageModel 转换为 UI 层的 KBAICommentModel）
-- (void)updateCommentsWithPageModel:(KBCommentPageModel *)pageModel {
+- (void)updateCommentsWithPageModel:(KBCommentPageModel *)pageModel append:(BOOL)append {
   if (!pageModel) {
     NSLog(@"[KBAICommentView] pageModel 为空");
     // 数据为空，显示空态
     [self showEmptyState];
+    [self.tableView.mj_footer endRefreshing];
     return;
   }
   
   self.totalCommentCount = pageModel.total;
-  
-  [self.comments removeAllObjects];
+
+  if (!append) {
+    [self.comments removeAllObjects];
+  }
   
   // 获取 tableView 宽度用于计算高度
   CGFloat tableWidth = self.tableView.bounds.size.width;
@@ -224,7 +286,7 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
     tableWidth = [UIScreen mainScreen].bounds.size.width;
   }
   
-  NSLog(@"[KBAICommentView] 加载到 %ld 条评论，共 %ld 条", (long)pageModel.records.count, (long)pageModel.total);
+  NSLog(@"[KBAICommentView] 加载到 %ld 条评论，共 %ld 条，页码：%ld/%ld", (long)pageModel.records.count, (long)pageModel.total, (long)pageModel.current, (long)pageModel.pages);
   
   for (KBCommentItem *item in pageModel.records) {
     // 转换为 KBAICommentModel（使用 MJExtension）
@@ -243,6 +305,20 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
   
   [self updateTitle];
   [self.tableView reloadData];
+
+  // 更新分页状态
+  self.currentPage = pageModel.current > 0 ? pageModel.current : self.currentPage;
+  if (pageModel.pages > 0) {
+    self.hasMoreData = pageModel.current < pageModel.pages;
+  } else {
+    self.hasMoreData = pageModel.records.count >= self.pageSize;
+  }
+
+  if (self.hasMoreData) {
+    [self.tableView.mj_footer endRefreshing];
+  } else {
+    [self.tableView.mj_footer endRefreshingWithNoMoreData];
+  }
   
   // 根据数据是否为空，动态控制空态显示
   if (self.comments.count == 0) {
@@ -641,6 +717,7 @@ static NSInteger const kRepliesLoadCount = 5;
     _tableView.backgroundColor = [UIColor clearColor];
     _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
     _tableView.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;
+    _tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 1, 0.01)];
     
     // 关闭空数据占位，避免加载时显示"暂无数据"
     _tableView.useEmptyDataSet = NO;