使用WinINet获取网页源代码-白红宇

使用WinINet获取网页源代码

阅读量：4033 次

发布时间：2019-05-24

本文共 1385 字，大约阅读时间需要 4 分钟。

#include 
   
    #include 
    
     #include 
     
      #pragma comment(lib,"Wininet.lib")#include 
      
       using namespace std; int main(int argc, char* argv[]){    vector
       
         v;    CHAR szUrl[] = "http://www.baidu.com/";    CHAR szAgent[] = "";    HINTERNET hInternet1 =         InternetOpen(NULL,INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,NULL);    if (NULL == hInternet1)     {        InternetCloseHandle(hInternet1);        return FALSE;     }    HINTERNET hInternet2 =         InternetOpenUrl(hInternet1,szUrl,NULL,NULL,INTERNET_FLAG_NO_CACHE_WRITE,NULL);    if (NULL == hInternet2)     {        InternetCloseHandle(hInternet2);        InternetCloseHandle(hInternet1);        return FALSE;     }    DWORD dwMaxDataLength = 500;    PBYTE pBuf = (PBYTE)malloc(dwMaxDataLength*sizeof(TCHAR));    if (NULL == pBuf)     {        InternetCloseHandle(hInternet2);        InternetCloseHandle(hInternet1);        return FALSE;     }    DWORD dwReadDataLength = NULL;    BOOL bRet = TRUE;    do     {        ZeroMemory(pBuf,dwMaxDataLength*sizeof(TCHAR));        bRet = InternetReadFile(hInternet2,pBuf,dwMaxDataLength,&dwReadDataLength);        for (DWORD dw = 0;dw < dwReadDataLength;dw++)         {            v.push_back(pBuf[dw]);         }     } while (NULL != dwReadDataLength);    vector
        
         ::iterator i; for(i=v.begin(); i!=v.end(); i++) printf("%c",*i); return 0;}