显示图像，如下代码：
CGRect myImageRect = CGRectMake(0.0f, 0.0f, 320.0f, 109.0f);
UIImageView *myImage = [[UIImageView alloc] initWithFrame: myImageRect];
[myImagesetImage: [UIImage imageNamed: @"myImage.png"]];
myImage.opaque = YES; // opaque是否透明
[self.view addSubview: myImage];
希望能帮助到你！
