学步园

//读取文本值<br /> bool ReadString(HKEY key, CStringW valueName, CStringW &value)<br /> {<br /> DWORD type;<br /> BYTE s[_MAX_PATH]; //#define _MAX_PATH 260 /* max. length of full pathname */<br /> DWORD len = _MAX_PATH;<br /> if (RegQueryValueEx(key, valueName, 0, &type, s, &len)==ERROR_SUCCESS)<br /> {<br /> value = (TCHAR*)s;<br /> return true;<br /> }<br /> return false;<br /> }<br /> //读取bool值<br /> bool ReadBoolean(HKEY key, CStringW valueName, bool &value)<br /> {<br /> CStringW s;<br /> //先读取文本值<br /> if (ReadString(key, valueName, s))<br /> {<br /> //判断其是否为true<br /> value = (CStringW("true").CompareNoCase(s) == 0);<br /> return true;<br /> }<br /> return false;<br /> }<br /> //读取DWORD值<br /> bool ReadDWORD(HKEY key, CStringW valueName, DWORD &value)<br /> {<br /> DWORD type;<br /> DWORD s;<br /> DWORD len = sizeof(DWORD);<br /> if (RegQueryValueEx(key, valueName, 0, &type, (LPBYTE)&s, &len)==ERROR_SUCCESS)<br /> {<br /> value = s;<br /> return true;<br /> }<br /> return false;<br /> }<br /> void ReadProps()<br /> {<br /> HKEY key;<br /> //打开键<br /> RegOpenKey(HKEY_LOCAL_MACHINE,_T("Software//chain//cpp"), &key);<br /> CStringW people;<br /> DWORD age;<br /> bool IsMale;<br /> ReadString (key, _T("people"), people);<br /> ReadDWORD (key, _T("age"),age);<br /> ReadBoolean(key, _T("IsMale"), IsMale);<br /> RegCloseKey(key);<br /> _tprintf(_T("用户：%s/r/n年龄：%d/r/n性别：%s/r/n"), people, age, IsMale ? _T("男") : _T("女"));<br /> }</p> <p>int main()<br /> {<br /> setlocale(LC_ALL, "chs");<br /> ReadProps();<br /> return 0;<br /> }