C++下 編碼轉換

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#include <stdio.h>#include <stdlib.h>#include <string.h>#include <locale.h>int main() {    int i,v;    char bs[33];    char b[33];    char hs[9];    char h[9];    char s[4];    char *e;// 十進位整數轉二進位串；    i=1024;    ltoa(i,b,2);    sprintf(bs,"%032s",b);    printf("i=%d,bs=%s\n",i,bs);// 十進位整數轉十六進位串；    i=1024;    ltoa(i,h,16);    sprintf(hs,"%08s",h);    printf("i=%d,hs=%s\n",i,hs);// 十六進位字串轉成十進位數    strcpy(hs,"00000400");    sscanf(hs,"%x",&i);    printf("hs=%s,i=%d\n",hs,i);// 二進位字串轉化為十六進位字串；    strcpy(bs,"00000000000000000000010000000000");    i=strtol(bs,&e,2);    ltoa(i,h,16);    sprintf(hs,"%08s",h);    printf("bs=%s,hs=%s\n",bs,hs);// 二進位字串轉化為十進位數；    strcpy(bs,"00000000000000000000010000000000");    i=strtol(bs,&e,2);    printf("bs=%s,i=%d\n",bs,i);// 十六進位字串轉成二進位串    strcpy(hs,"00000400");    sscanf(hs,"%x",&i);    ltoa(i,b,2);    sprintf(bs,"%032s",b);    printf("hs=%s,bs=%s\n",hs,bs);// ASC\GBK字串轉十六進位串    strcpy(s,"a漢");    i=0;    while (1) {        if (0==s[i]) break;        sprintf(hs+i*2,"%02X",(unsigned char)s[i]);        i++;    }    setlocale(LC_ALL,"chs");    printf("s=%s,hs=%s\n",s,hs);// 十六進位字串轉成漢字（GBK）及字元(ASC)    strcpy(hs,"61BABA");    i=0;    while (1) {        if (1!=sscanf(hs+i*2,"%2x",&v)) break;        s[i]=(char)v;        i++;    }    s[i]=0;    printf("hs=%s,s=%s\n",hs,s);    return 0;}//i=1024,bs=00000000000000000000010000000000//i=1024,hs=00000400//hs=00000400,i=1024//bs=00000000000000000000010000000000,hs=00000400//bs=00000000000000000000010000000000,i=1024//hs=00000400,bs=00000000000000000000010000000000//s=a漢,hs=61BABA//hs=61BABA,s=a漢

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C++下 編碼轉換