援引：http://blog.csdn.net/zhanghefu/article/details/21284323

http://blog.csdn.net/cxf7394373/article/details/7195661

先看一下用法：

别忘了引入头文件。   这里我是得到 UserDatas 文件夹下的全部 .json 文件的名字 并转成UTF-8

#include "MyFileUtils.h"

#include "IconvString.h"

MyFileUtils fileUtil=MyFileUtils();

vector<string> fileNames= fileUtil.getUserDataFilesName();

vector<string> fileNamesConverted;

 for (int j=0;j<fileNames.size();j++){

  fileNamesConverted.push_back(      gb2utf(  fileNames[j].c_str()  )     );

 }

MyFileUtils.h 文件,直接在.h文件里实现  功能：读取指定文件夹下的文件名称。

#ifndef __MYFILEUTILS_H__

#define __MYFILEUTILS_H__

#include "cocos2d.h"

#include "io.h"

#include "iostream"

#include "vector"

USING_NS_CC;

using namespace std;

class MyFileUtils

{

public:

vector<string> getUserDataFilesName(){//我自己的封装

	string str=CCFileUtils::sharedFileUtils()->fullPathForFilename("UserDatas");

	getJsonFilesName(str.c_str(),files);

	return files;

}

void getFiles( string path, vector<string>& files ) //通用代码

{

	//文件句柄

	long   hFile   =   0;

	//文件信息

	struct _finddata_t fileinfo;

	string p;

	if((hFile = _findfirst(p.assign(path).append("\\*").c_str(),&fileinfo)) !=  -1)

	{

		do

		{

			//假设是文件夹,迭代之

			//假设不是,增加列表

			if((fileinfo.attrib &  _A_SUBDIR))

			{

				if(strcmp(fileinfo.name,".") != 0  &&  strcmp(fileinfo.name,"..") != 0)

					getFiles( p.assign(path).append("\\").append(fileinfo.name), files );

			}

			else

			{

				files.push_back(p.assign(path).append("\\").append(fileinfo.name) );

			}

		}while(_findnext(hFile, &fileinfo)  == 0);

		_findclose(hFile);

	}

}

void getJsonFilesName( string path, vector<string>& files )//我自己的封装

{

	long   hFile   =   0;

	struct _finddata_t fileinfo;

	string p;

	if((hFile = _findfirst(p.assign(path).append("\\*").c_str(),&fileinfo)) !=  -1)

	{

		do

		{

			string str=fileinfo.name;

			if (str.find(".json")!=-1)

			{

				files.push_back( fileinfo.name ) ;

			}

		}while(_findnext(hFile, &fileinfo)  == 0);

		_findclose(hFile);

	}

}

protected:

private:

	vector<string> files;

};

#endif

IconvString.h 转码工具类   功能：转码，解决中文乱码。使用iconv 库

注意头文件的引入，每一个人可能不一样

#ifndef ICONV_STRING_H

#define ICONV_STRING_H

#include <string>

#include "iconv/iconv.h"

//通用代码

int code_convert(const char *from_charset, const char *to_charset, const char *inbuf, size_t inlen, char *outbuf, size_t outlen);

std::string utf2gb(const char *inbuf);

std::string gb2utf(const char *inbuf);

#endif

</pre><pre code_snippet_id="316364" snippet_file_name="blog_20140428_6_4985379" name="code" class="cpp">//IconvString.cpp 实现

#include "IconvString.h"

int code_convert(const char *from_charset, const char *to_charset, const char *inbuf, size_t inlen, char *outbuf, size_t outlen)

{

	iconv_t cd;

	const char *temp = inbuf;

	const char **pin = &temp;

	char **pout = &outbuf;

	memset(outbuf,0,outlen);

	cd = iconv_open(to_charset,from_charset);

	if(cd==0) return -1;

	if(iconv(cd,pin,&inlen,pout,&outlen)==-1) return -1;

	iconv_close(cd);

	return 0;

}

/*UTF8转为GB2312*/

std::string utf2gb(const char *inbuf)

{

	size_t inlen = strlen(inbuf);

	char * outbuf = new char[inlen * 2 + 2];

	std::string strRet;

	if(code_convert("utf-8", "gb2312", inbuf, inlen, outbuf, inlen * 2 + 2) == 0)

	{

		strRet = outbuf;

	}

	delete [] outbuf;

	return strRet;

}

/*GB2312转为UTF8*/

std::string gb2utf(const char *inbuf)

{

	size_t inlen = strlen(inbuf);

	char * outbuf = new char[inlen * 2 + 2];

	std::string strRet;

	if(code_convert("gb2312", "utf-8", inbuf, inlen, outbuf, inlen * 2 + 2) == 0)

	{

		strRet = outbuf;

	}

	delete [] outbuf;

	return strRet;

}