如何用代码来实现“通过代理服务器来上网”? 现在,我有代理服务器设置的地址和端口号,如何用代码来实现上网? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 using System; using System.Net; using System.Net.Sockets; using System.Text; using System.IO; Socket IPsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); public void Run() { string clientmessage = " " ; //存放来自客户端的HTTP请求字符串 string URL = " " ; //存放解析出地址请求信息 int bytes = ReadMessage(read, ref clientSocket, ref clientmessage); if (bytes == 0) { return ; } int index1 = clientmessage.IndexOf(' '); int index2 = clientmessage.IndexOf(' ', index1 + 1); if ((index1 == -1) || (index2 == -1)) { throw new IOException(); } string part1 = clientmessage.Substring(index1 + 1, index2 - index1); int index3 = part1.IndexOf('/', index1 + 8); int index4 = part1.IndexOf(' ', index1 + 8); int index5 = index4 - index3; URL = part1.Substring(index1 + 4, (part1.Length - index5) - 8); try { IPHostEntry IPHost = Dns.Resolve(URL); Console.WriteLine("远程主机名: " + IPHost.HostName); string [] aliases = IPHost.Aliases; IPAddress[] address = IPHost.AddressList; Console.WriteLine("Web服务器IP地址:" + address[0]); //解析出要访问的服务器地址 IPEndPoint ipEndpoint = new IPEndPoint(address[0], 80); Socket IPsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //创建连接Web服务器端的Socket对象 IPsocket.Connect(ipEndpoint); //Socket连Web接服务器 if (IPsocket.Connected) Console.WriteLine("Socket 正确连接!"); string GET = clientmessage; Byte[] ByteGet = ASCII.GetBytes(GET); IPsocket.Send(ByteGet, ByteGet.Length, 0); //代理访问软件对服务器端传送HTTP请求命令 Int32 rBytes = IPsocket.Receive(RecvBytes, RecvBytes.Length, 0); //代理访问软件接收来自Web服务器端的反馈信息 Console.WriteLine("接收字节数:" + rBytes.ToString()); String strRetPage = null; strRetPage = strRetPage + ASCII.GetString(RecvBytes, 0, rBytes); while (rBytes > 0) { rBytes = IPsocket.Receive(RecvBytes, RecvBytes.Length, 0); strRetPage = strRetPage + ASCII.GetString(RecvBytes, 0, rBytes); } IPsocket.Shutdown(SocketShutdown.Both); IPsocket.Close(); SendMessage(clientSocket, strRetPage); //代理服务软件往客户端传送接收到的信息 } catch (Exception exc2) { Console.WriteLine(exc2.ToString()); } } //接收客户端的HTTP请求数据 private int ReadMessage(byte [] ByteArray, ref Socket s, ref String clientmessage) { int bytes = s.Receive(ByteArray, 1024, 0); string messagefromclient = Encoding.ASCII.GetString(ByteArray); clientmessage = (String)messagefromclient; return bytes; } //传送从Web服务器反馈的数据到客户端 private void SendMessage(Socket s, string message) { Buffer = new Byte[message.Length + 1]; int length = ASCII.GetBytes(message, 0, message.Length, Buffer, 0); Console.WriteLine("传送字节数:" + length.ToString()); s.Send(Buffer, length, 0); } C#中调用DLL的出现“尝试读取或写入受保护的内存。这通常指示其他内存已损坏。”的问题 ACCESS数据库中支持这样的语法吗? 求组一个模块结构的问题 [请教]DataTable表Select后的行集合在移除行实例后会否变化 C# 给一个数组,求这个数组中和为10的对数(新要求) 如何实现这样的控件功能? linq 手动增加列 关于TREEVIEW:想实现这样的CHECKBOX效果 C# 基于HTTP的下载 vb程序员学C#的问题 web 下的MENU 怎么判断点的是父层还是子层 求个小函数,找出几个二进制数中某位只有一个1的。内详。
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.IO;
Socket IPsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
public void Run()
{
string clientmessage = " " ;
//存放来自客户端的HTTP请求字符串
string URL = " " ;
//存放解析出地址请求信息
int bytes = ReadMessage(read, ref clientSocket, ref clientmessage);
if (bytes == 0)
{
return ;
}
int index1 = clientmessage.IndexOf(' ');
int index2 = clientmessage.IndexOf(' ', index1 + 1);
if ((index1 == -1) || (index2 == -1))
{
throw new IOException();
}
string part1 = clientmessage.Substring(index1 + 1, index2 - index1);
int index3 = part1.IndexOf('/', index1 + 8);
int index4 = part1.IndexOf(' ', index1 + 8);
int index5 = index4 - index3;
URL = part1.Substring(index1 + 4, (part1.Length - index5) - 8);
try
{
IPHostEntry IPHost = Dns.Resolve(URL);
Console.WriteLine("远程主机名: " + IPHost.HostName);
string [] aliases = IPHost.Aliases;
IPAddress[] address = IPHost.AddressList;
Console.WriteLine("Web服务器IP地址:" + address[0]);
//解析出要访问的服务器地址
IPEndPoint ipEndpoint = new IPEndPoint(address[0], 80);
Socket IPsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//创建连接Web服务器端的Socket对象
IPsocket.Connect(ipEndpoint);
//Socket连Web接服务器
if (IPsocket.Connected)
Console.WriteLine("Socket 正确连接!");
string GET = clientmessage;
Byte[] ByteGet = ASCII.GetBytes(GET);
IPsocket.Send(ByteGet, ByteGet.Length, 0);
//代理访问软件对服务器端传送HTTP请求命令
Int32 rBytes = IPsocket.Receive(RecvBytes, RecvBytes.Length, 0);
//代理访问软件接收来自Web服务器端的反馈信息
Console.WriteLine("接收字节数:" + rBytes.ToString());
String strRetPage = null;
strRetPage = strRetPage + ASCII.GetString(RecvBytes, 0, rBytes);
while (rBytes > 0)
{
rBytes = IPsocket.Receive(RecvBytes, RecvBytes.Length, 0);
strRetPage = strRetPage + ASCII.GetString(RecvBytes, 0, rBytes);
}
IPsocket.Shutdown(SocketShutdown.Both);
IPsocket.Close();
SendMessage(clientSocket, strRetPage);
//代理服务软件往客户端传送接收到的信息
}
catch (Exception exc2)
{
Console.WriteLine(exc2.ToString());
}
}
//接收客户端的HTTP请求数据
private int ReadMessage(byte [] ByteArray, ref Socket s, ref String clientmessage)
{
int bytes = s.Receive(ByteArray, 1024, 0);
string messagefromclient = Encoding.ASCII.GetString(ByteArray);
clientmessage = (String)messagefromclient;
return bytes;
}
//传送从Web服务器反馈的数据到客户端
private void SendMessage(Socket s, string message)
{
Buffer = new Byte[message.Length + 1];
int length = ASCII.GetBytes(message, 0, message.Length, Buffer, 0);
Console.WriteLine("传送字节数:" + length.ToString());
s.Send(Buffer, length, 0);
}