GB2312与UTF8互相转换

来源：互联网发布：js数字拆分成数组编辑：程序博客网时间：2024/05/21 05:43
void GBToUTF8(const std::string& gb_str, std::string& result){    // 获得临时变量的大小    int str_len = MultiByteToWideChar(CP_ACP, 0, gb_str.c_str(), -1, NULL, 0);    WCHAR *src_str = new WCHAR[str_len + 1];    MultiByteToWideChar(CP_ACP, 0, gb_str.c_str(), -1, src_str, str_len);    // 获得临时变量的大小    str_len = WideCharToMultiByte(CP_UTF8, 0, src_str, -1, NULL, 0, NULL, NULL);    char *dst_str = new char[str_len + 1];    WideCharToMultiByte(CP_UTF8, 0, src_str, -1, dst_str, str_len, NULL, NULL);    result = dst_str;    delete[]src_str;    delete[]dst_str;}void UTF8ToGB(const std::string& utf8_str, std::string& result){    // 获得临时变量的大小    int str_len = MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, NULL, 0);    WCHAR *src_str = new WCHAR[str_len + 1];    ZeroMemory(src_str, sizeof(WCHAR)*(str_len + 1));    MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, src_str, str_len);    // 获得临时变量的大小    str_len = WideCharToMultiByte(CP_ACP, 0, src_str, -1, NULL, 0, NULL, NULL);    char *dst_str = new char[str_len + 1];    WideCharToMultiByte(CP_ACP, 0, src_str, -1, dst_str, str_len, NULL, NULL);    result = dst_str;    delete[]src_str;    delete[]dst_str;}
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