![](https://www.driverentry.net/upload/images/202212/00_06_23_20048.png)
代码如下
```cpp
#pragma once
#ifndef HTTP_H
#define HTTP_H
#include <string>
#include <stdio.h>
#include <windows.h>
#include <wininet.h>
#include <fstream>
#include <sstream>
constexpr auto MAXSIZE = 1024;
#pragma comment(lib, "Wininet.lib")
class MYhttp
{
public:
MYhttp() = default;
~MYhttp() = default;
static std::string Utf8ToGbk(const char* src_str);
static std::string openUrl(LPCSTR url);
static std::string GbkToUtf8(const char* src_str);
private:
};
std::string MYhttp::GbkToUtf8(const char* src_str)
{
int len = MultiByteToWideChar(CP_ACP, 0, src_str, -1, NULL, 0);
wchar_t* wstr = new wchar_t[len + 1];
memset(wstr, 0, static_cast<size_t>(len) + 1);
MultiByteToWideChar(CP_ACP, 0, src_str, -1, wstr, len);
len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
char* str = new char[len + 1];
memset(str, 0, static_cast<size_t>(len) + 1);
WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, NULL, NULL);
std::string strTemp = str;
if (wstr) delete[] wstr;
if (str) delete[] str;
return strTemp;
}
std::string MYhttp::Utf8ToGbk(const char* src_str)
{
int len = MultiByteToWideChar(CP_UTF8, 0, src_str, -1, NULL, 0);
wchar_t* wszGBK = new wchar_t[len + 1];
memset(wszGBK, 0, static_cast<size_t>(len) * 2 + 2);
MultiByteToWideChar(CP_UTF8, 0, src_str, -1, wszGBK, len);
len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);
char* szGBK = new char[len + 1];
memset(szGBK, 0, static_cast<size_t>(len) + 1);
WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, szGBK, len, NULL, NULL);
std::string strTemp(szGBK);
if (wszGBK) delete[] wszGBK;
if (szGBK) delete[] szGBK;
return strTemp;
}
std::string MYhttp: penUrl(LPCSTR url) {
HINTERNET hSession = InternetOpen(L"UrlTest", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
std::stringstream ret;
if (hSession != NULL)
{
HINTERNET hHttp = InternetOpenUrlA(hSession, url, NULL, 0, INTERNET_FLAG_DONT_CACHE, 0);
if (hHttp != NULL)
{
//printf_s("%s\n", url);
BYTE Temp[MAXSIZE]{ 0 };
ULONG Number = 1;
while (Number > 0)
{
InternetReadFile(hHttp, Temp, MAXSIZE - 1, &Number);
Temp[Number] = '\0';
//printf("%s", Temp);
ret << Temp;
}
InternetCloseHandle(hHttp);
hHttp = NULL;
}
InternetCloseHandle(hSession);
hSession = NULL;
}
return Utf8ToGbk(ret.str().c_str());
}
#endif
``` |