鍦–++涓娇鐢–reateFile鍑芥暟鏉ュ垱寤烘垨鎵撳紑涓€涓枃浠讹紝闇€瑕侀伒寰互涓嬫楠わ細

1. 鍖呭惈澶存枃浠讹細

#include <Windows.h>

2. 瀹氫箟鏂囦欢鍙ユ焺鍙橀噺锛?/li>

HANDLE hFile;

3. 璋冪敤CreateFile鍑芥暟锛?/li>

hFile = CreateFile(
LPCTSTR lpFileName,  // 鏂囦欢鍚?/span>
DWORD dwDesiredAccess,  // 璁块棶妯″紡
DWORD dwShareMode,  // 鍏变韩妯″紡
LPSECURITY_ATTRIBUTES lpSecurityAttributes,  // 瀹夊叏灞炴€?/span>
DWORD dwCreationDisposition,  // 濡備綍鍒涘缓鏂囦欢
DWORD dwFlagsAndAttributes,  // 鏂囦欢灞炴€?/span>
HANDLE hTemplateFile  // 妯℃澘鏂囦欢鍙ユ焺
);

鍙傛暟璇存槑锛?/p>

• lpFileName锛氳鍒涘缓鎴栨墦寮€鐨勬枃浠跺悕锛屽彲浠ユ槸缁濆璺緞鎴栫浉瀵硅矾寰勩€?/p>

• dwDesiredAccess锛氳闂ā寮忥紝浣跨敤甯搁噺GENERIC_READ琛ㄧず璇诲彇锛?code>GENERIC_WRITE琛ㄧず鍐欏叆锛屼篃鍙互浣跨敤鍏朵粬甯搁噺缁勫悎銆?/p>

• dwShareMode锛氬叡浜ā寮忥紝浣跨敤甯搁噺FILE_SHARE_READ琛ㄧず鍙锛?code>FILE_SHARE_WRITE琛ㄧず鍙啓锛屼篃鍙互浣跨敤鍏朵粬甯搁噺缁勫悎銆?/p>

• lpSecurityAttributes锛氬畨鍏ㄥ睘鎬э紝涓€鑸缃负NULL銆?/p>

• dwCreationDisposition锛氬浣曞垱寤烘枃浠讹紝浣跨敤甯搁噺CREATE_ALWAYS琛ㄧず鎬绘槸鍒涘缓鏂版枃浠讹紝OPEN_ALWAYS琛ㄧず濡傛灉鏂囦欢涓嶅瓨鍦ㄥ氨鍒涘缓涓€涓柊鏂囦欢锛屽鏋滄枃浠跺瓨鍦ㄥ垯鎵撳紑瀹冦€?/p>

• dwFlagsAndAttributes锛氭枃浠跺睘鎬э紝鍙互浣跨敤甯搁噺FILE_ATTRIBUTE_NORMAL琛ㄧず鏅€氭枃浠讹紝涔熷彲浠ヤ娇鐢ㄥ叾浠栧父閲忕粍鍚堛€?/p>

• hTemplateFile锛氭ā鏉挎枃浠跺彞鏌勶紝涓€鑸缃负NULL銆?/p>

4. 妫€鏌ユ枃浠跺彞鏌勬槸鍚︽湁鏁堬細

if (hFile == INVALID_HANDLE_VALUE) {
// 鏂囦欢鍙ユ焺鏃犳晥锛屽垱寤烘垨鎵撳紑鏂囦欢澶辫触
DWORD dwError = GetLastError();
// 澶勭悊閿欒
} else {
// 鏂囦欢鍙ユ焺鏈夋晥锛屽垱寤烘垨鎵撳紑鏂囦欢鎴愬姛
// 鍦ㄨ繖閲屽彲浠ョ户缁鏂囦欢杩涜璇诲啓鎿嶄綔
}

娉ㄦ剰浜嬮」锛?/p>

• 鍦ㄤ娇鐢ㄥ畬鏂囦欢鍚庯紝闇€瑕佷娇鐢?code>CloseHandle鍑芥暟鍏抽棴鏂囦欢鍙ユ焺锛屼互閲婃斁绯荤粺璧勬簮銆?/p>

• 浣跨敤WriteFile鍑芥暟鍙互鍚戞枃浠朵腑鍐欏叆鏁版嵁锛屼娇鐢?code>ReadFile鍑芥暟鍙互浠庢枃浠朵腑璇诲彇鏁版嵁銆?/p>