快速创建一个UIBarButtonItem

//

// UIBarButtonItem+ZZ.h

// ZZ_APP主流框架

//

// Created by ZZ_Macpro on 15/9/27.

// Copyright (c) 2015年 ZZ_Macpro. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface UIBarButtonItem (ZZ)

/**

* 快速创建一个item对象 (内部包装一个UIButton)

*

* @param image 按钮图片

* @param higlightedImage 按钮高亮图片

* @param target 按钮的监听器

* @param action 按钮的监听器的回调方法

*

* @return 创建好的item对象

*/
+ (UIBarButtonItem *)itemWithImage:(NSString *)image higlightedImage:(NSString
*)higlightedImage target:(id)target action:(SEL)action;

@end

//

// UIBarButtonItem+ZZ.m

// ZZ_APP主流框架

//

// Created by ZZ_Macpro on 15/9/27.

// Copyright (c) 2015年 ZZ_Macpro. All rights reserved.

//

#import "UIBarButtonItem+ZZ.h"

#import "UIImage+ZZ.h"

@implementation UIBarButtonItem (ZZ)

+ (UIBarButtonItem *)itemWithImage:(NSString *)image higlightedImage:(NSString
*)higlightedImage target:(id)target action:(SEL)action
{

// 1.创建按钮

UIButton *btn = [UIButton
buttonWithType:UIButtonTypeCustom];

// 2.设置按钮背景图片

UIImage *normal = [UIImage
imageWithName:image];

[btn setBackgroundImage:normal
forState:UIControlStateNormal];

[btn setBackgroundImage:[UIImage
imageWithName:higlightedImage] forState:UIControlStateHighlighted];

// 3.设置按钮的尺寸
btn.bounds =
CGRectMake(0,
0, normal.size.width, normal.size.height);

// 4.监听按钮点击

[btn addTarget:target
action:action forControlEvents:UIControlEventTouchUpInside];

// 5.返回创建好的item(UIBar上面添加按钮只能往View上面增加)

return [[UIBarButtonItem
alloc] initWithCustomView:btn];
}

@end