How to check if directory exist using C++ and winAPI [duplicate]

问题

This question already has answers here:

Closed 6 years ago.

Possible Duplicate:
How do you check if a directory exists on Windows in C?

How do I check whether a directory exists using C++ and windows API?

回答1:

well we were all n0obs at some point in time. No problem in asking. Here is a simple function which does exactly this :

#include <windows.h>
#include <string>

bool dirExists(const std::string& dirName_in)
{
  DWORD ftyp = GetFileAttributesA(dirName_in.c_str());
  if (ftyp == INVALID_FILE_ATTRIBUTES)
    return false;  //something is wrong with your path!

  if (ftyp & FILE_ATTRIBUTE_DIRECTORY)
    return true;   // this is a directory!

  return false;    // this is not a directory!
}

回答2:

If linking to the shell Lightweight API (shlwapi.dll) is ok for you, you can use the PathIsDirectory function

回答3:

This code might work:

//if the directory exists
 DWORD dwAttr = GetFileAttributes(str);
 if(dwAttr != 0xffffffff && (dwAttr & FILE_ATTRIBUTE_DIRECTORY)) 

回答4:

0.1 second Google search:

BOOL DirectoryExists(const char* dirName) {
  DWORD attribs = ::GetFileAttributesA(dirName);
  if (attribs == INVALID_FILE_ATTRIBUTES) {
    return false;
  }
  return (attribs & FILE_ATTRIBUTE_DIRECTORY);
}

来源：https://stackoverflow.com/questions/8233842/how-to-check-if-directory-exist-using-c-and-winapi