vs2013 error c4996: 'fopen': This function or variable may be unsafe

error C4996: '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

 

解決方案，項目 =》屬性 =》c/c++  =》預處理器=》點擊預處理器定義，編輯，加入_CRT_SECURE_NO_WARNINGS，即可。