前言

设置vs的高级属性为使用多字节字符集，不然会报char类型的实参与LPCWSTR类型的形参类型不兼容的错误

代码

#include <iostream>
#include <cstring>
#include <windows.h>

void listFiles(const char* dir);

int main()
{
    using namespace std;
    char dir[100] = "D:/prostate_run/";
    /*cout << "Enter a directory (ends with \'\\\'): ";
    cin.getline(dir, 100);*/
    strcat_s(dir, "*.*");    // 需要在目录后面加上*.*表示所有文件/目录
    listFiles(dir);
    return 0;
}

void listFiles(const char* dir)
{
    using namespace std;
    HANDLE hFind;
    WIN32_FIND_DATA findData;
    LARGE_INTEGER size;
    hFind = FindFirstFile(dir, &findData);
    if (hFind == INVALID_HANDLE_VALUE)
    {
        cout << "Failed to find first file!\n";
        return;
    }
    do
    {
        // 忽略"."和".."两个结果 
        if (strcmp(findData.cFileName, ".") == 0 || strcmp(findData.cFileName, "..") == 0)
            continue;
        if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)    // 是否是目录 
        {
            cout << findData.cFileName << "\t<dir>\n";
        }
        else
        {
            size.LowPart = findData.nFileSizeLow;
            size.HighPart = findData.nFileSizeHigh;
            cout << findData.cFileName << "\t" << size.QuadPart << " bytes\n";
        }
    } while (FindNextFile(hFind, &findData));
    cout << "Done!\n";
}