1

keyBoard/Class/Search/VC/KBSearchVC.m

@@ -22,6 +22,7 @@ static NSString * const kSkinCellId = @"KBSkinCardCell";
 static NSString * const kHeaderId   = @"KBSearchSectionHeader";
 static NSString * const kMoreCellId = @"KBHistoryMoreCell";
 static NSString * const kMoreToken  = @"__KB_MORE__"; // 用于内部计算的占位标识
+static NSString * const kKBSearchHistoryDefaultsKey = @"KBSearchHistoryWords";
 
 typedef NS_ENUM(NSInteger, KBSearchSection) {
     KBSearchSectionHistory = 0,
@@ -85,13 +86,11 @@ typedef NS_ENUM(NSInteger, KBSearchSection) {
         make.left.right.bottom.equalTo(self.view);
     }];
 
-    // 初始化测试数据
-    self.historyWords = [@[KBLocalized(@"果冻橙"),
-                           KBLocalized(@"芒果"),
-                           KBLocalized(@"有机水果卷心菜"),
-                           KBLocalized(@"水果萝卜"),
-                           KBLocalized(@"熟冻帝王蟹"),
-                           KBLocalized(@"赣南脐橙")] mutableCopy];
+    // 从本地读取历史搜索
+    self.historyWords = [[self loadHistoryWordsFromLocal] mutableCopy];
+    if (!self.historyWords) {
+        self.historyWords = [NSMutableArray array];
+    }
     self.recommendedThemes = @[];
 
     [self.collectionView reloadData];
@@ -125,6 +124,7 @@ typedef NS_ENUM(NSInteger, KBSearchSection) {
     }
     // 插入最前
     [self.historyWords insertObject:trim atIndex:0];
+    [self saveHistoryWordsToLocal:self.historyWords];
     [self.collectionView reloadData];
 }
 
@@ -235,9 +235,28 @@ typedef NS_ENUM(NSInteger, KBSearchSection) {
 /// 清空历史
 - (void)clearHistory {
     [self.historyWords removeAllObjects];
+    self.historyExpanded = NO;
+    [self saveHistoryWordsToLocal:self.historyWords];
     [self.collectionView reloadData];
 }
 
+- (NSArray<NSString *> *)loadHistoryWordsFromLocal {
+    id obj = [[NSUserDefaults standardUserDefaults] objectForKey:kKBSearchHistoryDefaultsKey];
+    if (![obj isKindOfClass:NSArray.class]) { return @[]; }
+    NSMutableArray<NSString *> *result = [NSMutableArray array];
+    for (id item in (NSArray *)obj) {
+        if ([item isKindOfClass:NSString.class] && ((NSString *)item).length > 0) {
+            [result addObject:item];
+        }
+    }
+    return result.copy;
+}
+
+- (void)saveHistoryWordsToLocal:(NSArray<NSString *> *)words {
+    NSArray<NSString *> *safe = [words isKindOfClass:NSArray.class] ? words : @[];
+    [[NSUserDefaults standardUserDefaults] setObject:safe forKey:kKBSearchHistoryDefaultsKey];
+}
+
 #pragma mark - UICollectionViewDataSource
 
 - (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {