// FileOperationDemo.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <Windows.h>

int main()
{
    BOOL ret;
    LPCWSTR filePath1 = _T("C:\\Users\\Administrator\\Desktop\\file_demo_test1.txt");
    LPCWSTR filePath2 = _T("C:\\Users\\Administrator\\Desktop\\file_demo_test2.txt"
 
);
    LPCWSTR dirPath1 = _T("C:\\Users\\Administrator\\Desktop\\dir_demo_test1");
    LPCWSTR dirPath2 = _T("C:\\Users\\Administrator\\Desktop\\dir_demo_test2");

    /*
    建立檔案
    HANDLE CreateFile(
        LPCTSTR lpFileName, //指向檔名的指標
        DWORD dwDesiredAccess, //訪問模式（寫/讀）, 如果為 GENERIC_READ 表示允許對裝置進行讀訪問；如果為 GENERIC_WRITE 表示允許對裝置進行寫訪問（可組合使用）；如果為零，表示只允許獲取與一個裝置有關的資訊
        DWORD dwShareMode, //
 
共享模式, 0表示不共享； FILE_SHARE_READ 和/或 FILE_SHARE_WRITE 表示允許對檔案進行共享訪問
        LPSECURITY_ATTRIBUTES lpSecurityAttributes, //指向一個SECURITY_ATTRIBUTES安全屬性結構的指標，定義了檔案的安全特性（如果作業系統支援的話）,預設為0
        DWORD dwCreationDisposition, //如何建立
        DWORD dwFlagsAndAttributes, //檔案屬性
        HANDLE hTemplateFile //用於複製檔案控制代碼, 如果不為零，則指定一個檔案控制代碼。新檔案將從這個檔案中複製擴充套件屬性
    );

    dwDesiredAccess Long，下述常數之一：
    #define FILE_GENERIC_READ         (STANDARD_RIGHTS_READ     |\
 

    FILE_READ_DATA           |\
    FILE_READ_ATTRIBUTES     |\
    FILE_READ_EA             |\
    SYNCHRONIZE)
    #define FILE_GENERIC_WRITE        (STANDARD_RIGHTS_WRITE    |\
    FILE_WRITE_DATA          |\
    FILE_WRITE_ATTRIBUTES    |\
    FILE_WRITE_EA            |\
    FILE_APPEND_DATA         |\
    SYNCHRONIZE)
    #define FILE_GENERIC_EXECUTE      (STANDARD_RIGHTS_EXECUTE  |\
    FILE_READ_ATTRIBUTES     |\
    FILE_EXECUTE             |\
    SYNCHRONIZE)

    dwCreationDisposition Long，下述常數之一：
    CREATE_NEW 建立檔案；如檔案存在則會出錯
    CREATE_ALWAYS 建立檔案，會改寫前一個檔案
    OPEN_EXISTING 檔案必須已經存在。由裝置提出要求
    OPEN_ALWAYS 如檔案不存在則建立它
    TRUNCATE_EXISTING 將現有檔案縮短為零長度

    dwShareMode Long，下述常數之一：
    #define FILE_SHARE_READ                 0x00000001
    #define FILE_SHARE_WRITE                0x00000002
    #define FILE_SHARE_DELETE               0x00000004

    dwFlagsAndAttributes Long， 一個或多個下述常數
    FILE_ATTRIBUTE_ARCHIVE 標記歸檔屬性
    FILE_ATTRIBUTE_COMPRESSED 將檔案標記為已壓縮，或者標記為檔案在目錄中的預設壓縮方式
    FILE_ATTRIBUTE_NORMAL 預設屬性
    FILE_ATTRIBUTE_HIDDEN 隱藏檔案或目錄
    FILE_ATTRIBUTE_READONLY 檔案為只讀
    FILE_ATTRIBUTE_SYSTEM 檔案為系統檔案
    FILE_FLAG_WRITE_THROUGH 作業系統不得推遲對檔案的寫操作
    FILE_FLAG_OVERLAPPED 允許對檔案進行重疊操作
    FILE_FLAG_NO_BUFFERING 禁止對檔案進行緩衝處理。檔案只能寫入磁碟卷的扇區塊
    FILE_FLAG_RANDOM_ACCESS 針對隨機訪問對檔案緩衝進行優化
    FILE_FLAG_SEQUENTIAL_SCAN 針對連續訪問對檔案緩衝進行優化
    FILE_FLAG_DELETE_ON_CLOSE 關閉了上一次開啟的控制代碼後，將檔案刪除。特別適合臨時檔案
    */
    DWORD dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
    DWORD dwShareMode = 0;
    LPSECURITY_ATTRIBUTES lpSecurityAttributes = 0;
    DWORD dwCreationDisposition = CREATE_NEW;
    DWORD dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL;
    HANDLE hTemplateFile = 0;
    HANDLE handle = CreateFile(filePath1, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
    printf("CreateFile -> HANDLE=0x%x\n", (unsigned int)handle);

    if (handle != INVALID_HANDLE_VALUE) {

        FILETIME fCreationTime, fLastAccessTime, fLastWriteTime;
        // GetFileTime函式用來獲得一個檔案或目錄的建立的時間、最後訪問的時間以及最後修改的時間
        ret = GetFileTime(handle, &fCreationTime, &fLastAccessTime, &fLastWriteTime);
        if (ret == 0) {
            printf("GetFileTime fail(%d)\n", GetLastError());
        }
        else {
            printf("GetFileTime -> %d\n", ret);
        }

        /*
        根據一個FILETIME結構的內容，裝載一個SYSTEMTIME結構。
        WINBASEAPI _Success_(return != FALSE) BOOL WINAPI FileTimeToSystemTime(
        _In_ CONST FILETIME * lpFileTime,
        _Out_ LPSYSTEMTIME lpSystemTime
        );
        */
        SYSTEMTIME sysCreationTime, sysLastAccessTime, sysLastWriteTime;
        ret = FileTimeToSystemTime(&fCreationTime, &sysCreationTime);
        if (ret == 0) {
            printf("FileTimeToSystemTime creationTime fail(%d)\n", GetLastError());
        }
        else {
            printf("FileTimeToSystemTime creationTime -> %d\n", ret);
            printf("%4d年%2d月%2d日,%2d:%2d:%2d\n", sysCreationTime.wYear, sysCreationTime.wMonth, sysCreationTime.wDay, sysCreationTime.wHour, sysCreationTime.wMinute, sysCreationTime.wSecond);
        }
        ret = FileTimeToSystemTime(&fLastAccessTime, &sysLastAccessTime);
        if (ret == 0) {
            printf("FileTimeToSystemTime lastAccessTime fail(%d)\n", GetLastError());
        }
        else {
            printf("FileTimeToSystemTime lastAccessTime -> %d\n", ret);
            printf("%4d年%2d月%2d日,%2d:%2d:%2d\n", sysLastAccessTime.wYear, sysLastAccessTime.wMonth, sysLastAccessTime.wDay, sysLastAccessTime.wHour, sysLastAccessTime.wMinute, sysLastAccessTime.wSecond);
        }
        ret = FileTimeToSystemTime(&fLastWriteTime, &sysLastWriteTime);
        if (ret == 0) {
            printf("FileTimeToSystemTime lastWriteTime fail(%d)\n", GetLastError());
        }
        else {
            printf("FileTimeToSystemTime lastWriteTime -> %d\n", ret);
            printf("%4d年%2d月%2d日,%2d:%2d:%2d\n", sysLastWriteTime.wYear, sysLastWriteTime.wMonth, sysLastWriteTime.wDay, sysLastWriteTime.wHour, sysLastWriteTime.wMinute, sysLastWriteTime.wSecond);
        }

        //用完要記得關閉,否則其他操作會失敗,GetLastError()=32 => 程序無法訪問檔案，因為另一個程式正在使用此檔案。
        CloseHandle(handle);
    }

    /*
    複製檔案
    BOOL WINAPI CopyFile(
    _In_ LPCTSTR lpExistingFileName,
    _In_ LPCTSTR lpNewFileName,
    _In_ BOOL    bFailIfExists
    );
    return 失敗返回0,成功返回非0。
    */
    ret = CopyFile(filePath1, filePath2, true);
    if (ret == 0) {
        printf("CopyFile fail(%d)\n", GetLastError());
    }
    else {
        printf("CopyFile -> %d\n", ret);
    }

    /*
    刪除檔案
    BOOL DeleteFile(
    LPCSTRlpFileName//要刪除的檔名的指標
    );
    return 失敗返回0,成功返回非0。如果程式嘗試刪除一個不存在的檔案。GetLastError返回ERROR_FILE_NOT_FOUND。如果檔案是隻讀 的，則GetLastError返回ERROR_ACCESS_DENIED
    */
    ret = DeleteFile(filePath1);
    if (ret == 0) {
        printf("DeleteFile fail(%d)\n", GetLastError());
    }
    else {
        printf("DeleteFile -> %d\n", ret);
    }

    /*
    移動一個存在的檔案或者目錄(包括子目錄)
    WINBASEAPI BOOL WINAPI MoveFileW(
    _In_ LPCWSTR lpExistingFileName,
    _In_ LPCWSTR lpNewFileName
    );
    return 失敗返回0,成功返回非0。
    */
    ret = MoveFile(filePath2, filePath1);
    if (ret == 0) {
        printf("MoveFile fail(%d)\n", GetLastError());
    }
    else {
        printf("MoveFile -> %d\n", ret);
    }

    /*
    WINBASEAPI DWORD WINAPI GetFileAttributesW(
    _In_ LPCWSTR lpFileName
    );

    #define FILE_ATTRIBUTE_READONLY             0x00000001
    #define FILE_ATTRIBUTE_HIDDEN               0x00000002
    #define FILE_ATTRIBUTE_SYSTEM               0x00000004
    #define FILE_ATTRIBUTE_DIRECTORY            0x00000010
    #define FILE_ATTRIBUTE_ARCHIVE              0x00000020
    #define FILE_ATTRIBUTE_DEVICE               0x00000040
    #define FILE_ATTRIBUTE_NORMAL               0x00000080
    #define FILE_ATTRIBUTE_TEMPORARY            0x00000100
    #define FILE_ATTRIBUTE_SPARSE_FILE          0x00000200
    #define FILE_ATTRIBUTE_REPARSE_POINT        0x00000400
    #define FILE_ATTRIBUTE_COMPRESSED           0x00000800
    #define FILE_ATTRIBUTE_OFFLINE              0x00001000
    #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED  0x00002000
    #define FILE_ATTRIBUTE_ENCRYPTED            0x00004000
    #define FILE_ATTRIBUTE_INTEGRITY_STREAM     0x00008000
    #define FILE_ATTRIBUTE_VIRTUAL              0x00010000
    #define FILE_ATTRIBUTE_NO_SCRUB_DATA        0x00020000
    #define FILE_ATTRIBUTE_EA                   0x00040000
    */
    DWORD attr = GetFileAttributes(filePath1);
    if (attr == INVALID_FILE_ATTRIBUTES) {
        printf("GetFileAttributes fail(%d)", GetLastError());
    }
    else {
        printf("GetFileAttributes -> 0x%x\n", attr);
    }

    DeleteFile(filePath1);

    /*
    建立資料夾（注意: 目錄沒有複製操作）
    WINBASEAPI BOOL WINAPI CreateDirectoryW(
    _In_ LPCWSTR lpPathName,
    _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes
    );
    return 失敗返回0,成功返回非0。
    */
    ret = CreateDirectory(dirPath1, 0);
    if (ret == 0) {
        printf("CreateDirectory fail(%d)\n", GetLastError());
    }
    else {
        printf("CreateDirectory -> %d\n", ret);
    }

    /*
    刪除目錄（注意：目錄必須為空，否則會報145錯誤）
    WINBASEAPI BOOL WINAPI RemoveDirectoryW(
    _In_ LPCWSTR lpPathName
    );
    */
    ret = RemoveDirectory(dirPath1);
    if (ret == 0) {
        printf("RemoveDirectory fail(%d)\n", GetLastError());
    }
    else {
        printf("RemoveDirectory -> %d\n", ret);
    }

    system("pause");
    return 0;
}