C++ ifstream 由用户输入文件路径问题
#include <iostream>#include <fstream>using namespace std;int main(){ ifstream infile("language.txt",ifstream::in); while (!infile) { cout<<"open error"<<endl; char error[1000]; cin.getline(error,800); strcat (error,"\\language.txt"); cout<<error<<endl; ifstream infile(error,ifstream::in); }}