linux下C++编码转换

#include <iconv.h>#include <iostream>#define OUTLEN 255using namespace std;// 代码转换操作类class CodeConverter {private:iconv_t cd;public:// 构造CodeConverter(const char *from_charset,const char *to_charset) {cd = iconv_open(to_charset,from_charset);}// 析构~CodeConverter() {iconv_close(cd);}// 转换输出int convert(char *inbuf,int inlen,char *outbuf,int outlen) {char **pin = &inbuf;char **pout = &outbuf;memset(outbuf,0,outlen);return iconv(cd,pin,(size_t *)&inlen,pout,(size_t *)&outlen);}};int main(int argc, char **argv){char *in_utf8 = "寮犱笁 ";char *in_gb2312 = "张三";char out[OUTLEN];// utf-8-->gb2312CodeConverter cc = CodeConverter("utf-8","gb2312");cc.convert(in_utf8,strlen(in_utf8),out,OUTLEN);cout << "utf-8-->gb2312 in=" << in_utf8 << ",out=" << out << endl;// gb2312-->utf-8CodeConverter cc2 = CodeConverter("gb2312","utf-8");cc2.convert(in_gb2312,strlen(in_gb2312),out,OUTLEN);cout << "gb2312-->utf-8 in=" << in_gb2312 << ",out=" << out << endl;}