error C4996: 'sprintf': This function or variable may be unsafe.

比如：warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. 

在stdafx.h中添加如下：

#define _CRT_SECURE_NO_WARNINGS

参考：

https://www.cnblogs.com/douzi2/p/3974959.html