现在用到VUMAT，发现网上这种小例子很少，关于VUMAT的资料也不多。摸索了一天，做个VUMAT的小例子供大家分享。(Now use VUMAT, found that there are few small examples of online, VUMAT on the information is not much. Groping for a day, to be a small example of VUMAT for everyone to share.)