使用之前需要先安装中文语音包（男声+女声安装包下载）
Voice.h文件
（头文件包含的lib库资源如果缺失，百度下载或我的资源）

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#pragma once
#ifdef _MSC_VER
#pragma warning (push)
#pragma warning (disable : 4005)
#include#pragma warning (pop)
#pragma warning (default : 4005)
#endif

#include#include#include#pragma comment(lib,"ole32.lib") 
#pragma comment(lib,"sapi.lib")  

class CVoice
{public:
	CVoice(void);
	~CVoice(void);
private:
	ISpVoice * pVoice ;
	bool     m_State;
	void     InitVoice();
	void     CloseVoice();
public:
	void     Speech(CString str,bool flag =true);
	void     SetRate(int rate);
	void     SetVoiceType(int voicetype);	//设置1:男声;2:女声
};

Voice.cpp文件

#include "StdAfx.h"
#include "Voice.h"

CVoice::CVoice(void)
{m_State =false;
	InitVoice();
}

CVoice::~CVoice(void)
{CloseVoice();
}

void CVoice::InitVoice()
{pVoice =NULL;
	if (FAILED(::CoInitialize(NULL)))
		return ; 

	HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice); 
	if( SUCCEEDED( hr ) ) 
	{ISpObjectToken* pChineseToken; 
		WCHAR pszTokenId[] =L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\VW Liang";

        SpGetTokenFromId(pszTokenId , &pChineseToken);

		pVoice->SetVoice(pChineseToken);
		pVoice->SetVolume(100);
		pVoice->SetRate(1);
	}
	m_State =true;
}

void CVoice::CloseVoice()
{if(pVoice !=NULL)
	{pVoice->Release(); 
		pVoice = NULL; 
	}
	if(m_State ==true)
		::CoUninitialize(); 
}
	
void CVoice::SetRate(int rate)
{pVoice->SetRate(rate);
}

void CVoice::SetVoiceType(int voicetype)
{if (voicetype == 1)
	{ISpObjectToken* pChineseToken; 
		//		WCHAR pszTokenId[] =L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\VW Lily";
		WCHAR pszTokenId[] =L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\VW Liang";

		SpGetTokenFromId(pszTokenId , &pChineseToken);
		pVoice->SetVoice(pChineseToken);
	}
	else
	{ISpObjectToken* pChineseToken; 
		WCHAR pszTokenId[] =L"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Speech\\Voices\\Tokens\\VW Lily";

		SpGetTokenFromId(pszTokenId , &pChineseToken);
		
		pVoice->SetVoice(pChineseToken);
	}
}

void CVoice::Speech(CString str,bool flag)
{USES_CONVERSION;
    LPWSTR pwStr=new wchar_t[str.GetLength()+1];
    wcscpy_s(pwStr,str.GetLength()+1,T2W((LPCTSTR)str));
    
	if(flag ==true)
		pVoice->Speak( pwStr, SPF_ASYNC, NULL); 
	else
		pVoice->Speak( pwStr, SPF_DEFAULT, NULL); 

	delete[] pwStr;
}

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文章题目：C++桌面应用中文语音包功能接口-创新互联
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