zyk_ios的博客

UIAlertController *alertController = [UIAlertControlleralertControllerWithTitle:@"网络异常重新加载"message:nilpreferredStyle:(UIAlertControllerStyleAlert)];    UIAlertAction *okAction = [UIAlertActionacti

#pragma mark 创建提示语的方法- (void)createTiShiLabel:(NSString *)text{    NSDictionary *attrs =@{NSFontAttributeName : [UIFontsystemFontOfSize:14]};    CGRect textRect = [textboundingRe

UILabel *title = [[UILabelalloc] initWithFrame:CGRectMake(0,0, 100,44)];    title.text = self.titleText;    title.textAlignment =NSTextAlignmentCenter;    title.textColor = RGB(2

/** *  添加pageControl */- (void)setupPageControl{    // 1.添加    UIPageControl *pageControl = [[UIPageControlalloc] init];    pageControl.numberOfPages = NewfeatureImageC

#pragma mark 点击键盘周边退出键盘[selfsetUpForDismissKeyboard];//退出键盘- (void)setUpForDismissKeyboard {    NSNotificationCenter *nc = [NSNotificationCenterdefaultCenter];    UITapGestur

self.navigationController.navigationBar.shadowImage = [[UIImagealloc] init];    [self.navigationController.navigationBarsetBackgroundImage:[[UIImagealloc] init]forBarMetrics:UIBarMetrics

首先，我们在需要接收通知的地方注册观察者//获取通知中心单例对象    NSNotificationCenter * center = [NSNotificationCenter defaultCenter];    //添加当前类对象为一个观察者，name和object设置为nil，表示接收一切通知    [center addObserver:sel