防止多次点击

使用宏

// 防止多次调用
#define kPreventRepeatClickTime(_seconds_) \
static BOOL shouldPrevent; \
if (shouldPrevent) return; \
shouldPrevent = YES; \
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)((_seconds_) * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ \
shouldPrevent = NO; \
}); \

---

Category

UIButton防止多次点击 ，可以添加分类

//.h
#import 
#import 


NS_ASSUME_NONNULL_BEGIN

@interface UIButton (LYTimeInterval)
@property (nonatomic, assign) NSTimeInterval lastTime;
@property (nonatomic, assign) CGFloat lytimeinterval;

///短时间内 重复点击提示语
@property (nonatomic, copy) NSString *tipStr;
@end

NS_ASSUME_NONNULL_END

//.m
#import "UIButton+LYTimeInterval.h"
#import "LYHeader.h"

@implementation UIButton (LYTimeInterval)

/// 交换方法后实现
- (void)ly_sendAction:(SEL)action to:(id)target forEvent:(UIEvent*)event{
    if (self.lytimeinterval <= 0) {
        [self ly_sendAction:action to:target forEvent:event];
        return;
    }
    NSTimeInterval time = CFAbsoluteTimeGetCurrent();
    if ((time - self.lastTime >= self.lytimeinterval)) {
        self.lastTime = time;
        [self ly_sendAction:action to:target forEvent:event];
    }else{
        if (self.tipStr) {
            [[LYObject object] lyshowNewMessage:self.tipStr];
        }
    }
}

- (CGFloat)lytimeinterval{
    return [objc_getAssociatedObject(self, @selector(lytimeinterval)) doubleValue];
}
- (void)setLytimeinterval:(CGFloat)lytimeinterval{
    objc_setAssociatedObject(self, @selector(lytimeinterval), @(lytimeinterval), OBJC_ASSOCIATION_ASSIGN);
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        ly_MethodSwizzling([self class], @selector(sendAction:to:forEvent:), @selector(ly_sendAction:to:forEvent:));
    });
}
- (NSTimeInterval)lastTime{
    return [objc_getAssociatedObject(self, @selector(lastTime)) doubleValue];
}
- (void)setLastTime:(NSTimeInterval)lastTime{
    objc_setAssociatedObject(self, @selector(lastTime), @(lastTime), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}


- (void)setHud:(MBProgressHUD *)hud{
    objc_setAssociatedObject(self, @selector(hud), hud, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (MBProgressHUD *)hud{
    return objc_getAssociatedObject(self, @selector(hud));
}

- (void)setTipStr:(NSString *)tipStr{
    objc_setAssociatedObject(self, @selector(tipStr), tipStr, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (NSString *)tipStr{
    return objc_getAssociatedObject(self, @selector(tipStr));
}
@end