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昆山开发区人才网,企业seo服务,濮阳县新闻今日头条,企业oa管理软件windows自带的WinInet，几个函数就可以实现http文件下载，且可获取文件大小，进度条等。在用WinInet下载文件时，遇到个问题，如果是中文，下载下来的文件大小为0 英文文件正常，为什么呢？ bool WWWFileBuffer(const char* host, const char* path, char* outBuffer, in…

windows自带的WinInet，几个函数就可以实现http文件下载，

且可获取文件大小，进度条等。

在用WinInet下载文件时，遇到个问题，

如果是中文，下载下来的文件大小为0

英文文件正常，为什么呢？

bool WWWFileBuffer(const char* host, const char* path, char* outBuffer, int outBufferSize)
{bool retval = false;LPCWSTR AcceptTypes[2] = { TEXT("*/*"), NULL };DWORD dwSize = outBufferSize - 1, dwFlags = INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE;HINTERNET opn = NULL, con = NULL, req = NULL;opn = InternetOpen(TEXT("chuxintong.vip"), INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);if (!opn)return retval;int num = MultiByteToWideChar(0, 0, host, -1, NULL, 0);wchar_t* wide = new wchar_t[num];MultiByteToWideChar(0, 0, host, -1, wide, num);con = InternetConnect(opn, wide, INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INT

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