C++ 字符串UTF8与GBK转化

浏览: 74 发布日期: 2017-07-01 分类: c++

这篇文章为您讲述C++ 字符串UTF8与GBK转化的文章,具体方法请看介绍

第一次写博客,有时候在工作中遇到解析XML文件,节点属性值为中文的情况,需要转换编码,VC默认是的是GB2312,遇到中文就出现乱码,下面是UTF-8和GBK2312的互相转换,有画蛇添足的地方,希望各位大神指出:

#include "windows.h"

// UTF-8转为GBK2312 [1/18/2017/shike]
std::string UtfToGbk(const char* utf8)
{
int len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
wchar_t* wstr = new wchar_t[len+1];
memset(wstr, 0, len+1);
MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wstr, len);
len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
char* str = new char[len+1];
memset(str, 0, len+1);
WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);
if(wstr) delete[] wstr;
return str;
}

//GBK转化为UTF8格式
void ConvertGBKToUtf8(CString &strGBK)
{
int len=MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)strGBK, -1, NULL,0);
wchar_t * wszUtf8 = new wchar_t [len];
memset(wszUtf8, 0, len);
MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)strGBK, -1, wszUtf8, len);
len = WideCharToMultiByte(CP_UTF8, 0, wszUtf8, -1, NULL, 0, NULL, NULL);
char *szUtf8=new char[len + 1];
memset(szUtf8, 0, len + 1);
WideCharToMultiByte (CP_UTF8, 0, wszUtf8, -1, szUtf8, len, NULL,NULL);
strGBK = szUtf8;
delete[] szUtf8;
delete[] wszUtf8;
}

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