参考博客：
https://blog.csdn.net/qq_34062105/article/details/82590553
https://blog.csdn.net/u012234115/article/details/80503086
https://blog.csdn.net/z0n1l2/article/details/80774126
windows，用c++调用mxnet做前向
原文：https://www.cnblogs.com/k7k8k91/p/10620186.html
