VC++操作注册表(创建，读取，更改，删除)



#include "stdafx.h"

#include <Windows.h>

#include <iostream>

using namespace std;

/************************************

@ Brief:		打开注册表，读取Key对应value

@ Author:		woniu201

@ Created:		2018/09/07

@ Return:

************************************/

int ReadReg(char* path, char* key, char* value)

{

	HKEY hKey;

	int ret = RegOpenKeyEx(HKEY_CURRENT_USER, path, 0, KEY_EXECUTE, &hKey);

	if (ret != ERROR_SUCCESS)

	{

		cout << "打开注册表失败" << endl;

		return 1;

	}

	//读取KEY

	DWORD dwType = REG_SZ; //数据类型

	DWORD cbData = 256;

	ret = RegQueryValueEx(hKey, key, NULL, &dwType, (LPBYTE)value, &cbData);

	if (ret == ERROR_SUCCESS)

	{

		cout << value << endl;

	}

	else

	{

		cout << "读取注册表中KEY 失败" << endl;

		RegCloseKey(hKey);

		return 1;

	}

	RegCloseKey(hKey);

	return 0;

}

/************************************

@ Brief:		写注册表，如不存在自动创建

@ Author:		woniu201

@ Created:		2018/09/07

@ Return:

************************************/

int WriteReg(char* path, char* key, char* value)

{

	HKEY hKey;

	DWORD dwDisp;

	DWORD dwType = REG_SZ; //数据类型

	int ret = RegCreateKeyEx(HKEY_CURRENT_USER, path,0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dwDisp);

	if (ret != ERROR_SUCCESS)

	{

		cout << "创建注册表失败" << endl;

		return 1;

	}

	ret == RegSetValueEx(hKey, key, 0, dwType, (BYTE*)value, strlen(value));

	if (ret != ERROR_SUCCESS)

	{

		cout << "注册表中创建KEY VALUE失败" << endl;

		RegCloseKey(hKey);

		return 1;

	}

	RegCloseKey(hKey);

	return 0;

}

/************************************

@ Brief:		删除注册表

@ Author:		woniu201

@ Created:		2018/09/07

@ Return:

************************************/

int DelReg(char* path)

{

	int ret = RegDeleteKey(HKEY_CURRENT_USER, path);

	if (ret == ERROR_SUCCESS)

	{

		cout << "删除成功" << endl;

	}

	else

	{

		cout << "删除失败" << endl;

		return 1;

	}

	return 0;

}

int _tmain(int argc, _TCHAR* argv[])

{

	char value[32] = {0};

    ReadReg("Software\\Woniu", "aaa", value);

	WriteReg("Software\\Woniu", "aaa", "bbb");

	DelReg("Software\\Woniu");

	getchar();

	return 0;

}
巴特西

VC++操作注册表(创建，读取，更改，删除)

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