简书上粘贴代码块
1、将编辑器设置成markdown格式，并保存
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2、新建文章，进入到预览模式
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3、现在就完成了插入代码
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#import <UIKit/UIKit.h>
typedef void(^SFMileageViewBlock)(NSDictionary *);
@interface SFMileageView : UIView
@property (nonatomic, copy) NSString *title;
@property (nonatomic, copy) SFMileageViewBlock mileageViewBlock;
- (instancetype)initWithFrame:(CGRect)frame type:(NSInteger )type mileageViewBlock:(SFMileageViewBlock)block;
- (void)titleLabelChangeFontWithIndex:(CGFloat)index;
@end
