2012-03-22

UIImageView *imgvPhoto  = [UIImageView alloc] init];

//添加边框

   CALayer *layer = [_imgvPhoto layer];

    layer.borderColor = [[UIColor whiteColor] CGColor];

    layer.borderWidth = 5.0f;

//添加四个边阴影

    _imgvPhoto.layer.shadowColor = [UIColor blackColor].CGColor;

    _imgvPhoto.layer.shadowOffset = CGSizeMake(0, 0);

    _imgvPhoto.layer.shadowOpacity = 0.5;

    _imgvPhoto.layer.shadowRadius = 10.0;

//添加两个边阴影

    _imgvPhoto.layer.shadowColor = [UIColor blackColor].CGColor;

    _imgvPhoto.layer.shadowOffset = CGSizeMake(4, 4);

    _imgvPhoto.layer.shadowOpacity = 0.5;

    _imgvPhoto.layer.shadowRadius = 2.0;

//设置layer  

CALayer *layer=[backView layer];  

//是否设置边框以及是否可见  

[layer setMasksToBounds:YES];  

//设置边框圆角的弧度  

[layer setCornerRadius:10.0];  

//设置边框线的宽  

[layer setBorderWidth:1];  

//设置边框线的颜色  

[layer setBorderColor:[[UIColor blackColor] CGColor]];