http 代理测试

Technorati 标记: C#
参考了网上很多资料，综合整理出来最终的代码：
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics.Contracts;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Text;
using System.Threading.Tasks;
using static System.Console;
using static System.GC;
using static System.Net.WebRequest;

namespace 代理测试
{
    class Program
    {
        int printCount;
        Uri uri;
        Encoding bin;
        string[] IpSectionSpan = { "10.197.255.", "10.197.198." };
        NetworkCredential credit;

        [STAThread]
        static void Main(string[] args)
        {
            new Program();
            ReadKey();
        }

        public Program()
        {
            var dr = new AppSettingsReader();

            credit = new NetworkCredential(
                dr.GetValue("uid", typeof(string)).ToString(),
                dr.GetValue("pwd", typeof(string)).ToString());

            //var creadentiCache = new CredentialCache();
            uri = new Uri("http://wwww.baidu.com/");

            bin = Encoding.GetEncoding("UTF-8");

            //测试 IpSectionSpan 中所有IP段中所有IP
            TestIPSetions();
        }

        private void TestIPSetions()
        {
            //for (int i = 1; i < 255; i++)
            //{
                TestInSpan(198.ToString());
            //}
        }

        private void TestInSpan(string ipSect)
        {
            for (var i = 255; i > 0; i--)
            {
                var wproxy = new WebProxy(@"10.137." + ipSect + "." + i, 3128);
                //uri = new Uri("http://10.137.255." + i+":3128/");
                //creadentiCache.Add(uri, "Basic", credit);
                //wproxy.Credentials = creadentiCache;
                wproxy.Credentials = credit;

                //Collect();
                var req = Create(uri) as HttpWebRequest;
                req.PreAuthenticate = true;
                req.Timeout = 1000; //超时
                req.Proxy = wproxy;
                req.KeepAlive = false;

                try
                {
                    WebResponse resp;

                    req.BeginGetResponse(ra =>
                    {
                        try
                        {
                            using (resp = req.EndGetResponse(ra))
                            {
                                if (resp != null)
                                {
                                    var sr = new StreamReader(resp.GetResponseStream(), bin);
                                    var str = sr.ReadToEnd();
                                    if (!str.Contains("百度")) return;
                                    WriteLine("{0}\t:{1} \t 验证成功！", printCount++, wproxy.Address);
                                    sr.Close();
                                    sr.Dispose();
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            WriteLine("{0}\t:{1} \t 验证失败，失败原因：\t {2}", printCount++, wproxy.Address, ex.Message);
                        }

                    }, null);
                }
                catch (Exception e)
                {
                    WriteLine(e.Message);
                }
            }
        }
    }
}
http 代理 测试

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