iOS.UIKit.08.UIToolbar

一、案例介绍：点击UIToolbar中的UIBarButtonItem,改变UILabel中的文本，如图01，02，03

图01图02图03

二、案例步骤：

1、选择Simple View Aplication,取名cq.33.工具栏和导航栏，如图04

2、Maim.storyboard,如图05

3、CQ33ViewController.h

#import <UIKit/UIKit.h>

@interface CQ33ViewController : UIViewController
@property (weak,nonatomic) IBOutlet UILabel *label;
- (IBAction)save:(id)sender;
- (IBAction)open:(id)sender;
@end

4、CQ33ViewController.m

#import "CQ33ViewController.h"

@interface CQ33ViewController ()
@end
@implementation CQ33ViewController
- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

}
- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}
- (IBAction)open:(id)sender

{

    self.label.text = @"点击Open";

}

- (IBAction)save:(id)sender

{

    self.label.text = @"点击Save";

}
@end

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