VS2019报错：‘fopen‘: This function or variable may be unsafe. Consider using fopen_s instead.

VS2019报错：‘fopen’: This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.

解决方法： include前面添加：#define _CRT_SECURE_NO_WARNINGS(首行添加即可解决)