cocos2d-x：读取指定文件夹下的文件名称+解决中文乱码（win32下有效）

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;
}