xcode 开发快速小手册

知识库 加载一张图片 UIImageView *imageView =[[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 200, 200)]; imageView.image=[UIImage imageNamed:@"22.png"]; [self.view addSubview:imageView]; 弹出窗口 NSString *msg = @"f*au*ck U"; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"message" m More