1

keyBoard/Class/Base/VC/BaseViewController.h

@@ -23,6 +23,8 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, strong, readonly) UILabel *kb_titleLabel;
 /// 自定义导航栏左侧返回按钮（懒加载）。
 @property (nonatomic, strong, readonly) UIButton *kb_backButton;
+/// 自定义导航栏右侧按钮（懒加载，默认 hidden = YES）。
+@property (nonatomic, strong, readonly) UIButton *kb_rightButton;
 
 @end
 

keyBoard/Class/Base/VC/BaseViewController.m

@@ -16,6 +16,7 @@
 @property (nonatomic, strong) UIView *kb_navContentView;       // 44 高度内容区（便于居中）
 @property (nonatomic, strong) UILabel *kb_titleLabelInternal;  // 中间标题
 @property (nonatomic, strong) UIButton *kb_backButtonInternal; // 返回
+@property (nonatomic, strong) UIButton *kb_rightButtonInternal; // 右侧按钮
 @property (nonatomic, strong) MASConstraint *kb_navHeightConstraint; // 高度约束，适配刘海
 @end
 
@@ -75,12 +76,22 @@
         make.width.height.mas_equalTo(32);
     }];
 
+    // 右侧按钮（默认隐藏）
+    [self.kb_navContentView addSubview:self.kb_rightButtonInternal];
+    [self.kb_rightButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self.kb_navContentView).offset(-12);
+        make.centerY.equalTo(self.kb_navContentView);
+        // 仅固定高度，宽度由文字/图片自适应
+        make.height.mas_equalTo(32);
+    }];
+
     // 标题
     [self.kb_navContentView addSubview:self.kb_titleLabelInternal];
     [self.kb_titleLabelInternal mas_makeConstraints:^(MASConstraintMaker *make) {
         make.centerX.equalTo(self.kb_navContentView);
         make.centerY.equalTo(self.kb_navContentView);
         make.left.greaterThanOrEqualTo(self.kb_backButtonInternal.mas_right).offset(8);
+        make.right.lessThanOrEqualTo(self.kb_rightButtonInternal.mas_left).offset(-8);
     }];
 
     // 初始标题显示为 VC 的 title
@@ -116,6 +127,7 @@
 - (UIView *)kb_navView { return self.kb_navViewInternal; }
 - (UILabel *)kb_titleLabel { return self.kb_titleLabelInternal; }
 - (UIButton *)kb_backButton { return self.kb_backButtonInternal; }
+- (UIButton *)kb_rightButton { return self.kb_rightButtonInternal; }
 
 #pragma mark - Lazy
 
@@ -158,6 +170,19 @@
     return _kb_backButtonInternal;
 }
 
+- (UIButton *)kb_rightButtonInternal {
+    if (!_kb_rightButtonInternal) {
+        _kb_rightButtonInternal = [UIButton buttonWithType:UIButtonTypeCustom];
+        _kb_rightButtonInternal.hidden = YES; // 默认不展示，业务方按需设置
+        _kb_rightButtonInternal.adjustsImageWhenHighlighted = YES;
+        _kb_rightButtonInternal.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
+        _kb_rightButtonInternal.titleLabel.font = [UIFont systemFontOfSize:14];
+        [_kb_rightButtonInternal setTitleColor:[UIColor colorWithHex:KBBlackValue]
+                                      forState:UIControlStateNormal];
+    }
+    return _kb_rightButtonInternal;
+}
+
 - (void)kb_onBack {
     if (self.navigationController && self.navigationController.viewControllers.count > 1) {
         [self.navigationController popViewControllerAnimated:YES];