UIBarButtonItem

导航栏左边 设置图片

#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 setImage:[UIImage imageNamed:image] forState:UIControlStateNormal];
    [button setImage:[UIImage imageNamed:highImage] forState:UIControlStateHighlighted];
    [button sizeToFit];
    [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
    return [[UIBarButtonItem alloc] initWithCustomView:button];
}
@end