自定义UIView添加点击效果

//
//  UIViewLinkmanTouch.h
//
//  自定义UIView，用来改变点击背景颜色
#import <UIKit/UIKit.h>
@interface  UIViewLinkmanTouch : UIView
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;
@end

//
//  UIViewLinkmanTouch.m
//
#import "UIViewLinkmanTouch.h"
@implementation UIViewLinkmanTouch
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesBegan:touches withEvent:event];
    [self setBackgroundColor:[UIColor colorWithRed:227/255.0 green:227/255.0 blue:227/255.0 alpha:1.0]];
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesEnded:touches withEvent:event];
    [self setBackgroundColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0]];
}
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesCancelled:touches withEvent:event];
    [self setBackgroundColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0]];
}
@end