标签:gbk utf-8
#include <Windows.h>
// 注释:多字节包括GBK和UTF-8
int GBK2UTF8(char *szGbk,char *szUtf8,int Len)
{
// 先将多字节GBK(CP_ACP或ANSI)转换成宽字符UTF-16
// 得到转换后,所需要的内存字符数
int n = MultiByteToWideChar(CP_ACP,0,szGbk,-1,NULL,0);
// 字符数乘以 sizeof(WCHAR) 得到字节数
WCHAR *str1 = new WCHAR[sizeof(WCHAR) * n];
// 转换
MultiByteToWideChar(CP_ACP, // MultiByte的代码页Code Page
0, //附加标志,与音标有关
szGbk, // 输入的GBK字符串
-1, // 输入字符串长度,-1表示由函数内部计算
str1, // 输出
n // 输出所需分配的内存
);
// 再将宽字符(UTF-16)转换多字节(UTF-8)
n = WideCharToMultiByte(CP_UTF8, 0, str1, -1, NULL, 0, NULL, NULL);
if (n > Len)
{
delete[]str1;
return -1;
}
WideCharToMultiByte(CP_UTF8, 0, str1, -1, szUtf8, n, NULL, NULL);
delete[]str1;
str1 = NULL;
return 0;
}
//UTF-8 GBK
int UTF82GBK(char *szUtf8,char *szGbk,int Len)
{
int n = MultiByteToWideChar(CP_UTF8, 0, szUtf8, -1, NULL, 0);
WCHAR * wszGBK = new WCHAR[sizeof(WCHAR) * n];
memset(wszGBK, 0, sizeof(WCHAR) * n);
MultiByteToWideChar(CP_UTF8, 0,szUtf8,-1, wszGBK, n);
n = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);
if (n > Len)
{
delete[]wszGBK;
return -1;
}
WideCharToMultiByte(CP_ACP,0, wszGBK, -1, szGbk, n, NULL, NULL);
delete[]wszGBK;
wszGBK = NULL;
return 0;
}
标签:gbk utf-8
原文地址:http://fengyuzaitu.blog.51cto.com/5218690/1880698