设置停靠模式,切割设置星级图标

//星级

    [self.startView setStarLevelFormStr:model.starCurrent];

- (void)createUI{

    //在当前图片上放置五星级图片

    UIImageView * upImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 65, 23)];

    

    upImageView.tag = 2000;

    

    upImageView.image = [UIImage imageNamed:@"StarsForeground"];

    

    [self addSubview:upImageView];

    

    //执行切割多余部分的操作

    upImageView.clipsToBounds = YES;

    

    //停靠模式 使五星级图片停靠在父视图的左侧 不设置会自动拉伸

    upImageView.contentMode = UIViewContentModeLeft;

}

- (void)setStarLevelFormStr:(NSString *)level{

    //更改五星级图片

    

    UIImageView * imageView = (UIImageView *)[self viewWithTag:2000];

    

    //@"4.5"->float4.5

    imageView.frame = CGRectMake(0, 0, (level.doubleValue/5.0)*65, 23);