朋友圈富文本高度计算问题

SLAiELTS/SLAiELTS/ViewControllers/Moments/Model/SDTimeLineCellModel.m

@@ -44,14 +44,7 @@ extern CGFloat maxContentLabelHeight;
     return @{@"list" : [SDTimeLineCellCommentItemModel class]};
 }
 
-- (void)setFriendContent:(NSString *)friendContent {
-    _friendContent = friendContent;
-    NSMutableAttributedString *attString = [[NSMutableAttributedString alloc] initWithString:_friendContent];
-    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
-    paragraphStyle.lineSpacing = 4.0f;
-    [attString addAttributes:@{NSFontAttributeName : [UIFont systemFontOfSize:16]} range:NSMakeRange(0, _friendContent.length)];
-    [attString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, _friendContent.length)];
-    self.attributedFriendContent = attString;
+- (NSAttributedString *)attributedFriendContent {
     CGFloat contentW = [UIScreen mainScreen].bounds.size.width - 80;
     if (contentW != _lastContentWidth) {
         _lastContentWidth = contentW;
@@ -62,6 +55,17 @@ extern CGFloat maxContentLabelHeight;
             _shouldShowMoreButton = NO;
         }
     }
+    return _attributedFriendContent;
+}
+
+- (void)setFriendContent:(NSString *)friendContent {
+    _friendContent = friendContent;
+    NSMutableAttributedString *attString = [[NSMutableAttributedString alloc] initWithString:_friendContent];
+    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
+    paragraphStyle.lineSpacing = 4.0f;
+    [attString addAttributes:@{NSFontAttributeName : [UIFont systemFontOfSize:16]} range:NSMakeRange(0, _friendContent.length)];
+    [attString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, _friendContent.length)];
+    self.attributedFriendContent = attString;
 }
 
 - (NSString *)friendContent {