iOS 按钮点击限制时长

#import <UIKit/UIKit.h>
 
@interface UIControl (UIControl_XY)
@property (nonatomic, assign) NSTimeInterval cjr_acceptEventInterval;// 可以用这个给重复点击加间隔
@end

//
//  UIControl+UIControl_XY.m
//  iOSanimation
//
//  Created by biyabi on 15/9/29.
//  Copyright © 2015年 caijunrong. All rights reserved.
//
 
#import "UIControl+UIControl_XY.h"
#import <objc/runtime.h>
 
@interface UIControl()
@property (nonatomic, assign)NSTimeInterval cjr_acceptEventTime;
@end
 
@implementation UIControl (UIControl_XY)
static const char *UIControl_acceptEventInterval = "UIControl_acceptEventInterval";
static const char *UIControl_acceptEventTime = "UIControl_acceptEventTime";
- (NSTimeInterval )cjr_acceptEventInterval{
 return [objc_getAssociatedObject(self,UIControl_acceptEventInterval) doubleValue];
}
 
- (void)setCjr_acceptEventInterval:(NSTimeInterval)cjr_acceptEventInterval{
 objc_setAssociatedObject(self, UIControl_acceptEventInterval,@(cjr_acceptEventInterval), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
 
- (NSTimeInterval)cjr_acceptEventTime{
 return [objc_getAssociatedObject(self,UIControl_acceptEventTime)doubleValue];
}
 
- (void)setCjr_acceptEventTime:(NSTimeInterval)cjr_acceptEventTime{
 objc_setAssociatedObject(self,UIControl_acceptEventTime,@(cjr_acceptEventTime),OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
 
+(void)load{
//获取着两个方法
Method systemMethod  = class_getInstanceMethod(self, @selector(sendAction:to:forEvent:));
SEL sysSEL = @selector(sendAction:to:forEvent:);
 Method myMethod=class_getInstanceMethod(self, @selector(cjr_sendAction:to:forEvent:));
SEL mySEL= @selector(cjr_sendAction:to:forEvent:);
 //添加方法进去
    BOOL didAddMethod = class_addMethod(self, sysSEL, method_getImplementation(myMethod),method_getTypeEncoding(myMethod));
 //如果方法已经存在了
 if(didAddMethod){
    class_replaceMethod(self, mySEL, method_getImplementation(systemMethod), method_getTypeEncoding(systemMethod));

}else{
   method_exchangeImplementations(systemMethod, myMethod);
 }
    //----------------以上主要是实现两个方法的互换,load是gcd的只shareinstance，果断保证执行一次

}
 
- (void)cjr_sendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event{

    if (NSDate.date.timeIntervalSince1970 - self.cjr_acceptEventTime  < self.cjr_acceptEventInterval){

    return;

    }
    if (self.cjr_acceptEventInterval >0){
    self.cjr_acceptEventTime = NSDate.date.timeIntervalSince1970;
    
}
 [self cjr_sendAction:action to:target forEvent:event];
}
@end