如何使文件有一個名稱，用戶輸入

Question

好的程序使一個文件夾後，我會騙人把文件放在該文件夾，但我希望該文件是一個用戶將放入的名稱，所以如何我這樣做是因爲我現在已經設置了它所做的只是通過名稱Exampleuser輸入創建一個文件，並且將「/ two」放在兩個文件名之後。

#include <iostream> 
#include <direct.h> 
#include <string> 
#include <fstream> 

using namespace std; 

string newFolder = "Example"; 
string test ; 
string two; 


int main() 
{ 

    _mkdir((newFolder.c_str())); 

    getline(cin,test); 
    two = test; 


    fstream inout; 
    inout.open(newFolder + two,ios::out); 
    inout << " This is a test"; 
    inout.close(); 


    return 0; 
} 

Answer 1

C的舊的標準++要求你傳遞一個const char*參數爲std::fstream::open()方法。你可以只寫

inout.open(std::string(newFolder + "/" + two).c_str(),ios::out); 

或Windows文件系統

inout.open(std::string(newFolder + "\\" + two).c_str(),ios::out); 

Answer 2

#include <iostream> 
#include <fstream> 
#include <string> 
. 
. 
string filename; 
cin >> filename; 
string path; // the path to newfolder = "Example" 
path += filename; //append filename to the path, which in your case you should append "\\" between path and filename as well. 

ofstream ofs(path); // create the file 
. 
. 
ofs.close();