剪裁图片

方法一:

    //背景图片
    UIImageView *bgImageView = [MyUtil createImageViewFrame:CGRectMake(0, 0, 65, 23) imageName:@"StarsBackground"];
    [self addSubview:bgImageView];
    
    //前面的图片
    UIImageView *fgImageView = [MyUtil createImageViewFrame:CGRectMake(0, 0, 56, 23) imageName:@"StarsForeground"];
    //设置停靠模式
    fgImageView.contentMode = UIViewContentModeLeft;
    fgImageView.clipsToBounds = YES;
    fgImageView.tag = 200;
    [self addSubview:fgImageView];

方法二:直接剪裁图片