摘要：UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect]; btn.frame = CGRectMake(100, 100, 100, 40); [btn setTitle:@"button" forState:UIControlStateNormal]; [btn setTitl... 阅读全文

摘要：UILabel *label = [[UILabel alloc] init]; label.text = @"nininihaonininihaonininihaonininihaonininihaonininihao"; label.frame = CGRectMake(100, 100, 160, 80); label.backgroundColor = [... 阅读全文