科技常识：Linux下实现UTF-8和GB2312互相转换的方法

今天小编跟大家讲解下有关科技常识：Linux下实现UTF-8和GB2312互相转换的方法，相信小伙伴们对这个话题应该也很关注吧，小编也收集到了有关科技常识：Linux下实现UTF-8和GB2312互相转换的方法的相关资料，希望小伙伴会喜欢也能够帮助大家。

实例如下：

#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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