实例如下：
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#include<iconv.h> #include <stdio.h>
#include<iconv.h>
using namespace std;
int utf8togb2312(const char *sourcebuf,size_t sourcelen,char *destbuf,size_t destlen) {
iconv_t cd;
if( (cd = iconv_open("gb2312","utf-8")) ==0 )
return -1;
memset(destbuf,0,destlen);
const char **source = &sourcebuf;
char **dest = &destbuf;
if(-1 == iconv(cd,source,&sourcelen,dest,&destlen))
return -1;
iconv_close(cd);
return 0;
}
int gb2312toutf8(const char *sourcebuf,size_t sourcelen,char *destbuf,size_t destlen) {
iconv_t cd; if( (cd = iconv_open("utf-8","gb2312")) ==0 )
return -1; memset(destbuf,0,destlen);
const char **source = &sourcebuf;
char **dest = &destbuf;
if(-1 == iconv(cd,source,&sourcelen,dest,&destlen))
return -1;
iconv_close(cd);
return 0;
}
int main() {
char line[80];
char dest_gb2312[200];
char dest_utf8[200];
int ret ;
FILE *fp = fopen("love.txt","r");
if(fp == NULL)
{
printf("oh my dear,open fail...\n");
return 1;
}
memset(line,0,80);
if( NULL == fgets(line,80,fp))
{
printf("oh fgets fail...\n");
return 2;
}
printf( "----- :%s\n",line );
ret = gb2312toutf8(line,strlen(line),dest_gb2312,200);
// ret = gb2312toutf8(dest_gb2312,strlen(dest_gb2312),dest_utf8,80);
printf( "ret=%d\n\n\n",ret);
printf( "gb2312:%s\n",line );
printf( " utf-8:%s\n\n\n\n\n\n", dest_gb2312 );
ret = utf8togb2312(dest_gb2312,strlen(dest_gb2312),dest_utf8,200);
printf( "ret=%d\n\n\n ",ret);
printf( " utf-8:%s\n ",dest_gb2312);
printf( "gb2312:%s\n ",dest_utf8);
return 0;
}
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以上就是小编为大家带来的Linux下实现UTF-8和GB2312互相转换的方法全部内容了，希望大家多多支持服务器之家~