利用VTK读取DICOM文件，并显示，可以显示一组数据，鼠标滚轮控制不同图片切换。当初学习的时候找不到类似的代码，自己编写的。对新手学习很实用。-Use VTK read DICOM file and display that can display a set of data, control the mouse wheel to switch different picture. I had to learn not find similar code, I have written. Ve