下面是我的代码,它不是很漂亮,但在很多情况下都很好用。
我遇到了这个问题,当我试图将这个文件(通过这个程序下载)读入数组,然后对数组进行一些分析时,它显示了这个错误:
projectII.exe 中 0x00a7c197 处的未处理异常:0xC00000FD:堆栈溢出。
我觉得代码没有问题。是不是数组的大小超过了内存容量?
还是您建议一种更好的方法来对文件进行分析而不将其读入数组?
谢谢!!非常感谢任何帮助!
#include <string>
#include <iostream>
#include <fstream>
#include <windows.h>
#include <wininet.h>
#include <winsock.h>
#include <stdio.h>
#pragma comment(lib, "wininet.lib")
using namespace std;
const int file_l = 100;
const int file_length = 40000;
const int sam_url_num = 1;
wstring s2ws(const string& s)
{
int len;
int slength = (int)s.length() + 1;
len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
wchar_t* buf = new wchar_t[len];
MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len);
wstring r(buf);
delete[] buf;
return r;
}
int download_url(string url)
{
HINTERNET hOpen, hURL;
LPCWSTR NameProgram = L"Webreader";
wstring stemp = s2ws(url);
LPCWSTR Website = stemp.c_str();
char file[file_l+1];
unsigned long read;
if ( !(hOpen = InternetOpen(NameProgram, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0 )))
{
cerr << "Error in opening internet" << endl;
return 0;
}
hURL = InternetOpenUrl( hOpen, Website, NULL, 0, 0, 0 );
ofstream fout("RSS_archieve_download.txt");
InternetReadFile(hURL, file, file_l, &read);
int i = 0;
while (read > 0)
{
file[read] = '\0';
fout << file;
InternetReadFile(hURL, file, file_l, &read);
i+=1;
}
fout.close();
cout << endl;
InternetCloseHandle(hURL);
return 0;
}
int read_file(string webpage[])
{
ifstream fin("RSS_archieve_download.txt");
if (fin.fail())
{
cout << "Failed to open RSS_archieve_download.txt\n";
exit(1);
}
int i = 0;
while (true)
{
getline(fin, webpage[i], '\n');
if (fin.fail())
break;
i+=1;
}
fin.close();
}
void multi_url(string webpage[], string url_list[])//final printout func
{
string url;
ifstream fin("RSS_archieve_urls.txt");
if(fin.fail())
{
cout << "Failed to open RSS_archieve_urls\n";
exit(1);
}
int i = 0;
while(true)
{
fin >> url_list[i];
if (fin.fail())
break;
i+=1;
}
fin.close();
ofstream fout("R2_url.txt");
for(int j = 0; j < i; j++)
{
url = url_list[j];
download_url(url);
// read_file(webpage);
}
fout.close();
}
int main()
{
string arr[file_length];
string sample_url[sam_url_num];
multi_url(arr, sample_url);
system ("pause");
return 0;
}