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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
System.Net.WebClient client = new WebClient();
//1101、1105搜不到答案
//1110去掉行号
//1112 #39; '
//dfs(x\num,y\num,step+1); 将/n换成了\n
Stream strm = client.OpenRead("http://www.baidu.com/s?word=zoj%201101&pn=0");
StreamReader sr = new StreamReader(strm);
string line;
StreamWriter sw = new StreamWriter("D:\\过程.txt");
StreamWriter sw2 = new StreamWriter("D:\\结果.txt");
int num = 1;
int find1 = -1;
while ((line = sr.ReadLine()) != null)
{
sw.WriteLine("1: " + line);
find1 = line.IndexOf("content_left");
if (find1 != -1) break;
}
if (find1 != -1)
{
for (int i = 0; i < 10; i++)
{
int find2 = -1;
do
{
sw.WriteLine("2: " + line);
find2 = line.Substring(find1).IndexOf("result c-container ");
if (find2 != -1) break;
find1 = 0;
} while ((line = sr.ReadLine()) != null);
if (find2 == -1) break;
int find3 = -1;
do
{
sw.WriteLine("3: " + line);
find3 = line.Substring(find1 + find2).IndexOf("href");
if (find3 != -1) break;
find1 = find2 = 0;
} while ((line = sr.ReadLine()) != null);
if (find3 == -1) break;
int find4 = -1;
string temp = "";
do
{
sw.WriteLine("4: " + line);
find4 = line.Substring(find1 + find2 + find3 + 8).IndexOf("\"");
if (find4 != -1) break;
temp += line.Substring(find1 + find2 + find3 + 8);
find1 = find2 = find3 = 0;
} while ((line = sr.ReadLine()) != null);
if (find4 == -1) break;
temp += line.Substring(find1 + find2 + find3 + 8, find4);
Console.WriteLine("[" + num.ToString() + "]" + temp);
sw2.WriteLine("[" + num.ToString() + "]" + temp);
op_getCode1(temp, num);
op_getCode2(num);
//client.DownloadFile(temp, "D:\\download" + num.ToString() + ".html");
num++;
//find1 = find1 + find2 + find3 + find4;
}
}
sw.Close();
sw2.Close();
strm.Close();
Console.Read();
}
private static bool have_num = false;
private static bool op_getCode1(string temp, int num)
{
System.Net.WebClient client = new WebClient();
Stream strm = null;
try
{
strm = client.OpenRead(temp);
}
catch (Exception e)
{
Console.WriteLine(e.GetBaseException());
return false;
}
StreamReader sr = new StreamReader(strm);
StreamWriter sw = new StreamWriter("D:\\op_getCode1_[" + num.ToString() + "]过程.txt");
// StreamWriter sw2 = new StreamWriter("D:\\op_getCode1_[" + num.ToString() + "]结果.txt");
string line;
while ((line = sr.ReadLine()) != null)
{
if (line.IndexOf("<body") != -1) break;
}
int find1 = -1;
do
{
find1 = line.IndexOf("#include");
if (find1 != -1) break;
} while ((line = sr.ReadLine()) != null);
if (find1 == -1)
{
sw.Close();
// sw2.Close();
strm.Close();
return false;
}
if (find1 > 2)//判断代码前面是否有数字
{
string may_num = line.Substring(find1 - 3, 2);
for (int i = 0; i < 2; i++)
{
if (may_num[i] < '0' || may_num[i] > '9')
{
have_num = false;
break;
}
}
}
int find2 = -1;
do
{
sw.WriteLine(line.Substring(find1));
find2 = line.Substring(find1).IndexOf("main");
if (find2 != -1) break;
find1 = 0;
} while ((line = sr.ReadLine()) != null);
if (find2 == -1)
{
sw.Close();
// sw2.Close();
strm.Close();
return false;
}
int proc_num = 0;
string temp2;
bool ok = false;
bool first = true;
do
{
if (first) first = false;
else sw.WriteLine(line);//防止重复
temp2 = line.Substring(find1 + find2);
for (int i = 0; i < temp2.Length; i++)
{
if (temp2[i] == '{') proc_num++;
else if (temp2[i] == '}')
{
proc_num--;
if (proc_num <= 0)
{
ok = true;
break;
}
}
}
if (ok) break;
find1 = find2 = 0;
} while ((line = sr.ReadLine()) != null);
if (proc_num == -1)
{
sw.Close();
//sw2.Close();
strm.Close();
return false;
}
sw.Close();
// sw2.Close();
strm.Close();
return true;
}
private static void op_getCode2(int num)
{
FileStream fs = new FileStream("D:\\op_getCode1_[" + num.ToString() + "]过程.txt", FileMode.Open, FileAccess.Read, FileShare.None);
StreamReader sr = new StreamReader(fs);
StreamWriter sw = new StreamWriter("D:\\op_getCode2_[" + num.ToString() + "]结果.txt");
string line;
bool left = false;
while ((line = sr.ReadLine()) != null)
{
string code = "";
if (have_num == true) line = line.Substring(3);
line = line.Replace("<br />", "\n");
for (int i = 0; i < line.Length; i++)
{
if (line[i] == '<')
{
left = true;
}
else if (line[i] == '>')
{
left = false;
}
else if (left == false)
{
code += line[i];
}
}
code = code.Replace("<", "<");
code = code.Replace(">", ">");
code = code.Replace(""", "\"");
code = code.Replace(" ", " ");
code = code.Replace("&", "&");
code = code.Replace("+", "+");
code = code.Replace("'", "'");
code = code.Replace("/n", "\\n");
sw.WriteLine(code);
Console.WriteLine(code);
}
sw.Close();
sr.Close();
}
}
}