fstream无法创建txt [英] fstream cant create txt

问题描述

#include<iostream>
#include<fstream>

using namespace std;
int main(){

ifstream inputFile;
ofstream outputFile;

inputFile.open ("DataIn.txt");
inputFile.close();
}

上面的代码没有错误运行，但是不会创建DataIn.txt.
我的代码有什么问题吗?

The above code run with no error,but it doesnt create the DataIn.txt.
Anything wrong with my code?

推荐答案

您正在尝试打开输入文件，这意味着如果文件不存在，则打开将失败，它不会创建该文件.查看 ifstream [

You are trying to open an input file which means the open will fail if the file does not exist, it does not create it. Take a look at the documentation for ifstream[^], and ofstream while you are there.

您已使用#include两次，但未指定任何文件.
删除这些"#include"行.然后在其中输入#include< fstream.h>.
我希望这能奏效.
祝你好运.

You have used #include two times but you did not specify any file.
Remove these "#include" lines. And type there #include <fstream.h>.
I hope this works.
GOOD LUCK.

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