UTF-8转ASCII

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 这几天在找办法用C/C++获取网页内容,这样我就可以提取关键字然后干些什么,能干什么还没想好,但好处必须多。。。
用curl获取的网页源码,是UTF-8的,保存以后,从控制台输出,是一堆乱码

比如原文件:

控制台输出就是这样:


看得出来中文没了- -,没中文怎么破,只有转码了,可以用 WideCharToMultiByte()函数:

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
int main()
{
    FILE *p, *p2;
    TCHAR before[100];
    char *Buf = NULL;
    int BufLen;
    p = _wfopen(TEXT("D:\\test.txt"), TEXT("rt+,ccs=UTF-8"));
    p2 = fopen("D:\\temp2.txt", "w+");
    printf_s("开始转换......\n");
    
    while (!feof(p))
    {
        fgetws(before, 100, p);
        BufLen = WideCharToMultiByte(CP_ACP, 0, before, -1, NULL, 0, NULL, NULL);
        Buf = (char *)calloc(BufLen, sizeof(char));
        WideCharToMultiByte(CP_ACP, 0, before, -1, Buf, BufLen, NULL, NULL);
        fputs(Buf, p2);
        printf_s("%s\n", Buf);
    }
    
    
    fclose(p);
    fclose(p2);
    return 0;
}

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转载自blog.csdn.net/u010971754/article/details/55227498