1

keyBoard/Class/Pay/V/KBVipPayHeaderView.m

@@ -45,7 +45,7 @@
         [self.wanImageView mas_makeConstraints:^(MASConstraintMaker *make) {
             make.right.left.equalTo(self.containerView);
             make.top.equalTo(self.vipImageView).offset(70);
-            make.bottom.equalTo(self.containerView);
+            make.bottom.equalTo(self.containerView).offset(-16);
         }];
         
         [self.containerView addSubview:self.titleLabel];
@@ -74,7 +74,7 @@
         [g1 mas_makeConstraints:^(MASConstraintMaker *make) {
             make.left.equalTo(self.vipImageView);
             make.top.equalTo(self.desLabel.mas_bottom).offset(18);
-            make.height.mas_equalTo(((113)));
+            make.height.mas_equalTo(((KBFit(122))));
         }];
         [g2 mas_makeConstraints:^(MASConstraintMaker *make) {
             make.right.equalTo(self.vipImageView);
@@ -95,12 +95,29 @@
             make.left.equalTo(g3.mas_right).offset(spacing);
             make.height.equalTo(g1);
             make.width.equalTo(g1);
-//            make.bottom.lessThanOrEqualTo(self.containerView).offset(-12);
+            // 让 header 的高度由内部内容决定：最后一个元素贴到底部
+            make.bottom.equalTo(self.containerView).offset(-12);
         }];
     }
     return self;
 }
 
+// 关键：让 header 根据 AutoLayout 自适应高度
+- (UICollectionViewLayoutAttributes *)preferredLayoutAttributesFittingAttributes:(UICollectionViewLayoutAttributes *)layoutAttributes {
+    CGFloat targetWidth = layoutAttributes.size.width > 0 ? layoutAttributes.size.width : KB_SCREEN_WIDTH;
+    // 先把自身宽度设为目标宽，便于系统计算高度
+    self.bounds = CGRectMake(0, 0, targetWidth, self.bounds.size.height);
+    [self setNeedsLayout];
+    [self layoutIfNeeded];
+    CGSize fit = [self systemLayoutSizeFittingSize:CGSizeMake(targetWidth, UILayoutFittingCompressedSize.height)
+                      withHorizontalFittingPriority:UILayoutPriorityRequired
+                            verticalFittingPriority:UILayoutPriorityFittingSizeLevel];
+    CGRect f = layoutAttributes.frame;
+    f.size.height = ceil(fit.height);
+    layoutAttributes.frame = f;
+    return layoutAttributes;
+}
+
 #pragma mark - Helpers
 - (UIView *)gridItemWithImageView:(UIImageView *)iv {
     // 简单白底圆角卡片承载图标
@@ -109,7 +126,7 @@
 //    v.layer.cornerRadius = 12;
 //    v.layer.masksToBounds = YES;
     [v addSubview:iv];
-    iv.contentMode = UIViewContentModeScaleAspectFill;
+    iv.contentMode = UIViewContentModeScaleAspectFit;
     [iv mas_makeConstraints:^(MASConstraintMaker *make) {
 //        make.center.equalTo(v);
 //        make.width.height.mas_equalTo(40);
@@ -193,4 +210,3 @@
 }
 
 @end
-