开发小弟我的.Net 简单的网络程序

开发我的.Net 简单的网络程序。
需要用到HttpWebResponse的开发，并且读取Stream的数据，贡献下我的源代码。例子虽然很简单，但是很实用。3GEYE|u|IW*^ V

$J|plJ)hi3??? using System;3GEYEG
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??? using System.Collections.Generic;
|e)_!B.Y*g3??? using System.Text;
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??? using System.Net;
k-U"~ nDrKLA[5^v3??? using System.IO;
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$ws$Is4E%D6?3??? namespace APIDemo3GEYEd!k"|U*Dg)N4I
??? {3GEYE&^q??2s?~
??????? class Program
j T9S;IP'q0c8bN3??????? {3GEYE0r G!k0I"jO;@
??????????? static void Main(string[] args)3GEYEEPC%w4Bi,b6k$\*k
??????????? {3GEYED~Rl\qGxI
??????????????? Console.WriteLine("Hello C#");3GEYE7~mhc`o}b
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5I4b,[@&wj3??????????????? HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create("http://wap.uc123.com");3GEYE'P8y;m7az;by\av9y
??????????????? HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();3GEYE%|g;@^b-C.a
??????????????3GEYEF?DsP"G8i,u1n }6k
??????????????? Stream stream = httpWebResponse.GetResponseStream();3GEYEjv8~vHhD/\b#u
??????????????? byte[] bytes = new byte[1024];3GEYE9Q.n
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h,J3??????????????? int numBytesToRead = (int)bytes.Length;3GEYEn*L+r0p"Aoq
??????????????? int numBytesRead = 0;3GEYE0w{$Lt?@:{-y0r$V
??????????????? //Console.WriteLine(stream.Length);3GEYE:Y6K.]6[Ue(X

#c:C'}ZJL3??????????????? byte[] bs = Read2Buffer(stream,512);
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???????????????????? String text = System.Text.Encoding.UTF8.GetString(bs);3GEYEQ1t)`sr
??????????????????? Console.WriteLine(text);
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XHV*WS+C'YWg3??????????????? Console.Read();
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@-p8P]aZ beF3xt3??????????????? //Stream file = httpWebResponse.GetResponseStream();3GEYEp~(@BJLt0j

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\2NO!Pw){xg#h-h'N3??????????? }3GEYE[_uOt
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??????????? public static byte[] Read2Buffer(Stream stream, int BufferLen)3GEYE!?/}B;~["q|j7`J
??????????? {3GEYE.O9?2N:jEQk2|
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??????????????? // 如果指定的无效长度的缓冲区，则指定一个默认的长度作为缓存大小3GEYE,Yp4N+X2d`)FxdO
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??????????????? if (BufferLen < 1)
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??????????????????? BufferLen = 0x8000;
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??????????????? // 初始化一个缓存区
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??????????????? byte[] buffer = new byte[BufferLen];
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nU%}moN"O2F3??????????????? int read = 0;
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??????????????? int block;3GEYE!m&oU3B%JjY

CoA6hl$x[A3??????????????? // 每次从流中读取缓存大小的数据，知道读取完所有的流为止
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??????????????? while ((block = stream.Read(buffer, read, buffer.Length - read)) > 0)3GEYE+wW.QXO
??????????????? {3GEYE~8Y ?pL

s5@PZ,C%p1DF,`3??????????????????? // 重新设定读取位置3GEYE8ZbT ~4rp"~

*LO)X8X`X\moq3??????????????????? read += block;
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j_h8zb?Yq3??????????????????? // 检查是否到达了缓存的边界，检查是否还有可以读取的信息
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\,R*xiBk$P3??????????????????? if (read == buffer.Length)3GEYE?#gv{+c8q-N
??????????????????? {
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??????????????????????? // 尝试读取一个字节
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??????????????????????? int nextByte = stream.ReadByte();
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!m`!W0T|7sU2jI3??????????????????????? // 读取失败则说明读取完成可以返回结果
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??????????????????????? if (nextByte == -1)
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]6n4?;|#{-l3??????????????????????????? return buffer;3GEYEGiW!~X1zv6xD-k

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`?e3??????????????????????? // 调整数组大小准备继续读取
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lUqa?k_.d3??????????????????????? byte[] newBuf = new byte[buffer.Length * 2];3GEYE8sG9M
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??????????????????????? Array.Copy(buffer, newBuf, buffer.Length);
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&@Od;xmP7s3??????????????????????? newBuf[read] = (byte)nextByte;
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x1m%O-Q1I(o1u3??????????????????????? buffer = newBuf;// buffer是一个引用（指针），这里意在重新设定buffer指针指向一个更大的内存
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i/j,[(Q}.lw3??????????????????????? read++;
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