c++读写文件

#include <fstream>
#include <iostream>
#include <vector>
#include <string>
#include <windows.h>

#define FILEPAWD "./passwd.txt"
#define SALEINFO "./saleinfo.txt"

class MFile
{
public:
	MFile();
	MFile(const char *path);
	bool Open(const char *path);
	bool Save(const char *path, vector<string> in);
	vector<string> vstr;
};

MFile::MFile()
{

}

MFile::MFile(const char *path)
{
	Open(path);
}
bool MFile::Open(const char *path)
{
	try
	{
		vstr.clear();
		string str;
		//读取文件信息
		ifstream in;
		in.open(path, ios::binary | ios::in);
		if (!in.is_open()) return false;
		while (getline(in,str)){
			vstr.push_back(str);
		}

		in.close();
		return true;
	}
	catch (...){
		return false;
	}
}
bool MFile::Save(const char *path, vector<string> in)
{
	try
	{
		ofstream out;
		out.open(path, ios::out | ios::binary);
		if (!out.is_open()) return false;
		for (auto it : in)
		{
			out << it << "\r\n";
		}
		out.close();
		return true;
	}
	catch (...)
	{
		return false;
	}
	
}
int main()
{
	unsigned long size = GetCurrentDirectory(0, NULL);
	wchar_t path[1024];
	char str[1024] = "";
	if (GetCurrentDirectory(size, path) != 0)
	{
		WideCharToMultiByte(CP_ACP, 0, path, -1, str, 1024, NULL, NULL);
	}
	
	MFile f(FILEPAWD);
	f.Save(FILEPAWD, { { "123|223" }, { "222|11" } });
	return 0;
}