obj-c 自学随笔--- 加载UIBarButtonItem 到UINavigationController

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- (void)viewDidLoad

{

[superviewDidLoad];

//设置导航右边按钮

self.navigationItem.rightBarButtonItem=[[UIBarButtonItemalloc] initWithTitle:@"添加"style:UIBarButtonItemStyleBorderedtarget:selfaction:@selector(perfromAdd:)];//点击按钮触发 perfromAdd方法

//使用 UIBarButtonItem的initWithCustomView 方法把UISwitch放入到导航栏中

UISwitch* uSwitch=[[UISwitchalloc] init];

UIBarButtonItem *buttonItem=[[UIBarButtonItemalloc] initWithCustomView:uSwitch];

NSArray *array=[[NSArrayalloc] initWithObjects:[[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAddtarget:selfaction:@selector(perfromAdd:)], buttonItem,nil];

//使用 leftBarButtonItems方法设置多个按钮

self.navigationItem.leftBarButtonItems=array;

}

//点击按钮事件

-(void)perfromAdd:(id) paramSender

{

UIAlertView* alterView=[[UIAlertViewalloc] initWithTitle:@"提示"message:@"添加成功" delegate:nilcancelButtonTitle:@"确定"otherButtonTitles:@"取消",nil];

[alterViewshow];

}