Code UTF-8 Console GB2312 Linux 中文乱码

Linux 系统方法：  LD_LIBRARY_PATH=. ./userdemo | iconv -f GB2312 -t utf8   

Shell 方法  Shell 编码 改成GB2312

// 编码转换

//https://www.cnblogs.com/Ivanhan2019/p/11633247.html

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

{

iconv_t cd;

//int rc;

char **pin = &inbuf;

char **pout = &outbuf;

cd = iconv_open(to_charset,from_charset);

if (cd==0) return -1;

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

iconv_close(cd);

return 0;

}

// utf8码转为GB2312码

int u2g(char *inbuf,int inlen,char *outbuf,int outlen)

{

return code_convert("utf-8",  "gb2312",inbuf,inlen,outbuf,outlen);

}

// GB2312码转为utf8

int g2u(char *inbuf,size_t inlen,char *outbuf,size_t outlen)

{

   return code_convert("gb2312","utf-8",inbuf,inlen,outbuf,outlen);

}

// utf8转为gbk

string u2a(const char *inbuf)

{

int inlen=strlen(inbuf);

string strRet;

strRet.resize(inlen*2+2);

if(code_convert("utf-8","gbk",const_cast<char *>(inbuf),inlen,&strRet[0],strRet.size()))

return inbuf;

return strRet;

}

// gbk转为utf8

string a2u(const char *inbuf)

{

int inlen=strlen(inbuf);

string strRet;

strRet.resize(inlen*2+2);

if(code_convert("gbk","utf-8",const_cast<char *>(inbuf),inlen,&strRet[0],strRet.size()))

return inbuf;

return strRet;

}

 

 

  int char_length=255;   char out1[char_length];

      if(g2u(pRspInfo->ErrorMsg,strlen(pRspInfo->ErrorMsg),out1,char_length)!=-1)

      {

             strcpy(pRspInfo->ErrorMsg,out1);

             //{OnRspOrderAction} Fail ErrorID:1172, ErrorMsg:该报单不存在 nRequestID:1 Chain:1

             PRINT_RSP_ERR(pRspInfo);

      }