vc下只能读取bitmap,此类对用vc常用空间显示jpg，gif等图片进行了封装，使使用变的异常简单。让vc界面美化工作变的轻松。-vc can only be read under the bitmap, such a common space on the display with vc jpg, gif and other images were packaged so that the abnormal use of a simple change.