車牌識別Ubuntun下問題解決

問題1：類中函數變量static聲明問題：

https://www.it1352.com/485379.html

問題2：io.h找不到解決方法

https://www.cnblogs.com/gdut-gordon/p/9678175.html

https://blog.csdn.net/lsq2902101015/article/details/51373911

問題3：找不到opencv鏈接庫問題

https://stackoverflow.com/questions/55711971/mingw32-make-undefined-reference-to-cvimreadcvstring-const-int-opencv