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//集合視圖 //創(chuàng)建全局靜態(tài)重用標識符 static NSString * collectionID = @"id"; @interface ViewController ...

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//滾動視圖，單其本身也是一個獨立的視圖 myscrollView = [[UIScrollView alloc]initWithFrame:self.view.bounds...

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//按鈕初始化 UIButton * loginButton = [UIButton buttonWithType:UIButtonTypeSystem]; //設置按鈕位置...

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

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

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