c – WinAPI CreateFile函数

#include <iostream>
#include <windows.h>
#include <string>
using namespace std;

int main()
{
    HANDLE hfile = CreateFile(
           ".\temp.txt",                // "\\.\C:" 
           GENERIC_READ, 
           0,
           NULL,
           CREATE_NEW,
           FILE_ATTRIBUTE_NORMAL,
           NULL);

    //if (hFile == INVALID_HANDLE_VALUE) cout << "Unable to create file \n";
    return 0;
}

error C2664: ‘CreateFileW’ : cannot convert parameter 1 from ‘const char [10]’ to ‘LPCWSTR’

我该如何解决这个错误？

hfile = CreateFile(
       L".\\temp.txt",               // Notice the L for a wide char literal 
       GENERIC_READ, 
       0,
       NULL,
       CREATE_NEW,
       FILE_ATTRIBUTE_NORMAL,
       NULL);

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