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//集合视图 //创建全局静态重用标识符 static NSString * collectionID = @"id"; @interface ViewController ...

爬你家窗台

//滚动视图，单其本身也是一个独立的视图 myscrollView = [[UIScrollView alloc]initWithFrame:self.view.bounds...

爬你家窗台

//按钮初始化 UIButton * loginButton = [UIButton buttonWithType:UIButtonTypeSystem]; //设置按钮位置...

爬你家窗台

//文本输入框 //初始化 UITextField * inputUserName = [[UITextField alloc]init]; //位置 inputUserNa...

爬你家窗台

//初始化 UILabel * userName = [[UILabel alloc]init]; //设置位置 userName.frame = CGRectMake(SC...

爬你家窗台

//UIImageView //初始化 UIImageView * BGimageView = [[UIImageView alloc]initWithFrame:self....