先上OC版本
//? UIButton+Touch.h
//? button
//
//? Created by 馬耀 on 16/5/3.
//? Copyright ? 2016年 mayao. All rights reserved.
//
#import? <UIKit/UIKit.h>
#define defaultInterval 0.5 //默認時間間隔
@interface UIButton (touch)
/**設置點擊時間間隔*/
@property (nonatomic, assign) NSTimeInterval timeInterval;
@end
////? UIButton+Touch.m
//? button
//
//? Created by 馬耀 on 16/5/3.
//? Copyright ? 2016年 mayao. All rights reserved.
//
#import "UIButton+Touch.h"
#import <UIKit/UIKit.h>
@interface UIButton()
/**bool 類型? 設置是否執行點UI方法*/
@property (nonatomic, assign) BOOL isIgnoreEvent;
@end
@implementation UIButton (touch)
+ (void)load{
? ? ? ? static dispatch_once_t onceToken;
? ? ? ? dispatch_once(&onceToken, ^{
? ? ? ? SEL selA = @selector(sendAction:to:forEvent:);
? ? ? ? SEL selB = @selector(mySendAction:to:forEvent:);
? ? ? ? Method methodA =? class_getInstanceMethod(self,selA);
? ? ? ? Method methodB = class_getInstanceMethod(self, self);
? ? ? ? ?BOOL isAdd = class_addMethod(self, selA, method_getImplementation(methodB), method_getTypeEncoding(methodB));
? ? ? ? ?if (isAdd) {
? ? ? ? ? ? ? ? ?class_replaceMethod(self, selB, method_getImplementation(methodA), method_getTypeEncoding(methodA));
? ? ? ? ?}else{
? ? ? ? ? ? ? method_exchangeImplementations(methodA, methodB);
? ? ? ? }
?});
}
- (NSTimeInterval)timeInterval
{
? ? ? ? return [objc_getAssociatedObject(self, _cmd) doubleValue];
}
- (void)setTimeInterval:(NSTimeInterval)timeInterval
{
? ? ? ? ? ? ? ?objc_setAssociatedObject(self, @selector(timeInterval), @(timeInterval), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (void)mySendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event
{
? ? ?if ([NSStringFromClass(self.class) isEqualToString:@"UIButton"]) {
? ? ? ? ? ?if (self.isIgnoreEvent == 0) {
? ? ? ? ? ? ? ?self.timeInterval = defaultInterval;
? ? ? };?
? ? ? if (self.isIgnoreEvent) return; ? ??
? ? ? if (self.timeInterval > 0)
? ? ? {
? ? ? ? self.isIgnoreEvent = YES;
? ? ? ?[self performSelector:@selector(setIsIgnoreEvent:) withObject:@(NO) afterDelay:self.timeInterval];
? ? ?}
? ? ?}
? ? ? ?[self mySendAction:action to:target forEvent:event];
}
- (void)setIsIgnoreEvent:(BOOL)isIgnoreEvent{
? ? ? ? objc_setAssociatedObject(self, @selector(isIgnoreEvent), @(isIgnoreEvent), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (BOOL)isIgnoreEvent{
? ? ? ? return [objc_getAssociatedObject(self, _cmd) boolValue];
}
@end
mark swift 版本
//
//? hhh.swift
//? button
//
//? Created by 馬耀 on 16/5/4.
//? Copyright ? 2016年 mayao. All rights reserved.
//
import UIKit
/// 默認時間間隔
var defaultIntervalL:Double =? 0.5
/// 延時時間key
private var? buttonDelayedTime = "buttonDelayedTime"
/// 是否可以點擊key
private var? buttonIsIgnoreEvent = "buttonIsIgnoreEvent"
extension UIButton{
/// 延時時間
public var timeInterval:NSTimeInterval {
get{
? ? ? ? if(objc_getAssociatedObject(self, &buttonDelayedTime) == nil){
? ? ? ? ? ? ? ? ? objc_setAssociatedObject(self, &buttonDelayedTime, 0,.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
? ? ? ? ? ? ? ? ?return 0
? ? ? ? ?}else{
? ? ? ? ? ? ? ? ?return objc_getAssociatedObject(self,&buttonDelayedTime).doubleValue
? ? ? ? }
}
set{
? ? ? ? objc_setAssociatedObject(self, &buttonDelayedTime, newValue,.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
/// 是否可以點擊 禁止調用
private var isIgnoreEvent:Bool {
get{
? ? ?if(objc_getAssociatedObject(self, &buttonIsIgnoreEvent) == nil){
? ? ? ? ? ? ? ?objc_setAssociatedObject(self, &buttonIsIgnoreEvent, true,.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
? ? ? ? ? ? ? ?return false
? ? ? }else{
? ? ? ? ? ? ? ? return objc_getAssociatedObject(self, &buttonIsIgnoreEvent).boolValue
? ? ?}
}
set{
? ? ? ? ? ?objc_setAssociatedObject(self, &buttonIsIgnoreEvent, newValue,.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
public override class func initialize(){
struct Static{
? ? ? ? ?static var token:dispatch_once_t = 0
}
if self != UIButton.self{
? ? ? ? ?return
}
dispatch_once(&Static.token, {
_ in
let selA = Selector("sendAction:to:forEvent:")
let selB = Selector("mySendAction:target:event:")
let methodA = class_getInstanceMethod(self,selA);
let methodB = class_getInstanceMethod(self,selB);
let isAdd = class_addMethod(self, selA, method_getImplementation(methodB), method_getTypeEncoding(methodB));
if (isAdd) {
? ? ? ? ? ? class_replaceMethod(self, selB, method_getImplementation(methodA), method_getTypeEncoding(methodA));
}else{
method_exchangeImplementations(methodA, methodB);
}
})
}
public func mySendAction(action:Selector,target:NSObject,event:UIEvent){
if(NSStringFromClass(self.classForCoder) == "UIButton"){
if (self.isIgnoreEvent){
return
}else{
?self.isIgnoreEvent = true
}
? ? ? ? self.mySendAction(action, target: target, event: event)
if (self.timeInterval == 0)
{
self.delay(defaultIntervalL) { () -> () in
? ? ? ? ? ?self.isIgnoreEvent = false
}
}else{
? ? ? ? ? ?self.delay(timeInterval) { () -> () in
? ? ? ? ? ?self.isIgnoreEvent = false
}
}
}
}
}
public extension NSObject {
/**
在延遲后結束. 在 main_queue 調用.
- parameter delay: 延遲的秒數
*/
func delay(delay: Double, closure:()->()) {
? ? ? ? dispatch_after(
? ? ? ? ? ? ? ? ?dispatch_time(
? ? ? ? ? ? ? ? ? DISPATCH_TIME_NOW,
? ? ? ? ? ? ? ? ?Int64(delay * Double(NSEC_PER_SEC))
? ? ? ?),
? ? ? ? ?dispatch_get_main_queue(), closure)
? ? ? ? ? }
}
