封装UIBarButtonItem

#import <UIKit/UIKit.h>

@interface UIBarButtonItem (XMGExtension)
+ (instancetype)itemWithImage:(NSString *)image highImage:(NSString *)highImage target:(id)target action:(SEL)action;
@end

#import "UIBarButtonItem+XMGExtension.h"

@implementation UIBarButtonItem (XMGExtension)
+ (instancetype)itemWithImage:(NSString *)image highImage:(NSString *)highImage target:(id)target action:(SEL)action
{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    [button setBackgroundImage:[UIImage imageNamed:image] forState:UIControlStateNormal];
    [button setBackgroundImage:[UIImage imageNamed:highImage] forState:UIControlStateHighlighted];
    button.size = button.currentBackgroundImage.size;
    [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
    return [[self alloc] initWithCustomView:button];
}
@end