方法 ： 使用分類進行更改

#define defaultInterval 0.05  //預設時間間隔
@property (nonatomic, assign) NSTimeInterval timeInterval; // 重複點選的間隔

@property (nonatomic, assign) NSTimeInterval button_acceptEventTime;
typedef NS_ENUM(NSUInteger, MKButtonEdgeInsetsStyle) {
    MKButtonEdgeInsetsStyleTop, // image在上，label在下
    MKButtonEdgeInsetsStyleLeft, // image在左，label在右
    MKButtonEdgeInsetsStyleBottom, // image在下，label在上
    MKButtonEdgeInsetsStyleRight // image在右，label在左
};
/**
 *  設定button的titleLabel和imageView的佈局樣式，及間距
 *
 *  @param style titleLabel和imageView的佈局樣式
 *  @param space titleLabel和imageView的間距
 */
- (void)layoutButtonWithEdgeInsetsStyle:(MKButtonEdgeInsetsStyle)style
                        imageTitleSpace:(CGFloat)space;

 

.m檔案當中

#import <objc/runtime.h>
@interface UIControl ()
@property (nonatomic, assign) BOOL isIgnoreEvent; // 是否忽視點選的事件
@end
@implementation UIButton (ImageTitleSpacing)
- (void)layoutButtonWithEdgeInsetsStyle:(MKButtonEdgeInsetsStyle)style
                        imageTitleSpace:(CGFloat)space
{
    // 1. 得到imageView和titleLabel的寬、高
    CGFloat imageWith = self.imageView.frame.size.width;
    CGFloat imageHeight = self.imageView.frame.size.height;
    
    CGFloat labelWidth = 0.0;
    CGFloat labelHeight = 0.0;
    if ([UIDevice currentDevice].systemVersion.floatValue >= 8.0) {
        // 由於iOS8中titleLabel的size為0，用下面的這種設定
        labelWidth = self.titleLabel.intrinsicContentSize.width;
        labelHeight = self.titleLabel.intrinsicContentSize.height;
    } else {
        labelWidth = self.titleLabel.frame.size.width;
        labelHeight = self.titleLabel.frame.size.height;
    }
    
    // 2. 宣告全域性的imageEdgeInsets和labelEdgeInsets
    UIEdgeInsets imageEdgeInsets = UIEdgeInsetsZero;
    UIEdgeInsets labelEdgeInsets = UIEdgeInsetsZero;
    
    // 3. 根據style和space得到imageEdgeInsets和labelEdgeInsets的值
    switch (style) {
        case MKButtonEdgeInsetsStyleTop:
        {
            imageEdgeInsets = UIEdgeInsetsMake(-labelHeight-space/2.0, 0, 0, -labelWidth);
            labelEdgeInsets = UIEdgeInsetsMake(0, -imageWith, -imageHeight-space/2.0, 0);
        }
            break;
        case MKButtonEdgeInsetsStyleLeft:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, -space/2.0, 0, space/2.0);
            labelEdgeInsets = UIEdgeInsetsMake(0, space/2.0, 0, -space/2.0);
        }
            break;
        case MKButtonEdgeInsetsStyleBottom:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, 0, -labelHeight-space/2.0, -labelWidth);
            labelEdgeInsets = UIEdgeInsetsMake(-imageHeight-space/2.0, -imageWith, 0, 0);
        }
            break;
        case MKButtonEdgeInsetsStyleRight:
        {
            imageEdgeInsets = UIEdgeInsetsMake(0, labelWidth+space/2.0, 0, -labelWidth-space/2.0);
            labelEdgeInsets = UIEdgeInsetsMake(0, -imageWith-space/2.0, 0, imageWith+space/2.0);
        }
            break;
        default:
            break;
    }
    // 4. 賦值
    
    self.imageEdgeInsets = imageEdgeInsets;
    self.titleEdgeInsets = labelEdgeInsets;
    
}

// 使用執行時關聯UIControl的點選事件
+ (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, selB);
        //將 methodB的實現 新增到系統方法中 也就是說 將 methodA方法指標新增成 方法methodB的  返回值表示是否新增成功
        BOOL isAdd = class_addMethod(self, selA, method_getImplementation(methodB), method_getTypeEncoding(methodB));
        //新增成功了 說明 本類中不存在methodB 所以此時必須將方法b的實現指標換成方法A的，否則 b方法將沒有實現。
        if (isAdd) {
            class_replaceMethod(self, selB, method_getImplementation(methodA), method_getTypeEncoding(methodA));
        }else{
            //新增失敗了 說明本類中 有methodB的實現，此時只需要將 methodA和methodB的IMP互換一下即可。
            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);
    
}
//當我們按鈕點選事件 sendAction 時  將會執行  mySendAction
- (void)mySendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event
{
    if ([NSStringFromClass(self.class) isEqualToString:@"UIButton"]) {
        
        self.timeInterval =self.timeInterval ==0 ?defaultInterval:self.timeInterval;
        if (self.isIgnoreEvent){
            return;
        }else if (self.timeInterval > 0){
            [self performSelector:@selector(resetState) withObject:nil afterDelay:self.timeInterval];
        }
    }
    //此處 methodA和methodB方法IMP互換了，實際上執行 sendAction；所以不會死迴圈
    self.isIgnoreEvent = YES;
    [self mySendAction:action to:target forEvent:event];
}
//runtime 動態繫結 屬性
- (void)setIsIgnoreEvent:(BOOL)isIgnoreEvent{
    // 注意BOOL型別 需要用OBJC_ASSOCIATION_RETAIN_NONATOMIC 不要用錯，否則set方法會賦值出錯
    objc_setAssociatedObject(self, @selector(isIgnoreEvent), @(isIgnoreEvent), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (BOOL)isIgnoreEvent{
    //_cmd == @select(isIgnore); 和set方法裡一致
    return [objc_getAssociatedObject(self, _cmd) boolValue];
}
- (void)resetState{
    [self setIsIgnoreEvent:NO];
}

 

使用很簡單 給timeInterval 屬性賦值就ok
缺點 ：這類按鈕的響應事件的時間，如果在點選按鈕後做的處理比較慢的話，還是會出現重複點選的效果，比如：當網路請求比較慢的時候，做的載入