c++统计文件中字符个数代码汇总

我们先来看看下面的代码: #include #include #include using namespace std; class CntCharacters { private: int cnt; public: CntCharacters():cnt(0){} ~CntCharacters(){} void opentxt(char* p) { ifstream fin; fin.open(p,ios_base::in); if(!fin.is_open()) { co