https://blog.csdn.net/accumla/article/details/89112717?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164326744716780357246980%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=164326744716780357246980&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-2-89112717.pc_search_result_control_group&utm_term=graphics.h&spm=1018.2226.3001.4187
c++标准库没有这个graphics.h头文件吧，你这个头文件要么是第三方的，要么是自己写的，找不到这个库
C语言的哦
