using?System;
using?System.Collections.Generic;
using?System.Text;

namespace?MyEncoding
{
????#region?Class?IdentifyEncoding.....
????///?

????///?檢測字符編碼的類
????///?
????///?
????///?
????///?

????///?
????///?????///?IdentifyEncoding?用來檢測??字節(jié)數(shù)組的編碼．
????///?Create?By?lion??

????///?2005-02-21?22:00??

????///?Support?.Net?framework?v1.1.4322?
?
????///?WebSite：www.lionsky.net（lion-a?AT?sohu.com）?
?
????///?]]>
????///?
????public?class?IdentifyEncoding
????{
????????#region?Fields.....

????????//?Frequency?tables?to?hold?the?GB?Big5?and?EUC-TW?character
????????//?frequencies
????????internal?static?int[][]?GBFreq?=?new?int[94][];
????????internal?static?int[][]?GBKFreq?=?new?int[126][];
????????internal?static?int[][]?Big5Freq?=?new?int[94][];
????????internal?static?int[][]?EUC_TWFreq?=?new?int[94][];

????????internal?static?string[]?nicename?=
????????????new?string[]?{?“GB2312“?“GBK“?“HZ“?“Big5“?“CNS?11643“?“ISO?2022CN“?“UTF-8“?“Unicode“?“ASCII“?“OTHER“?};

????????#endregion

????????#region?Methods.....

????????///?

????????///?初始化??的實例
????????///?

????????public?IdentifyEncoding（）
????????{
????????????Initialize_Frequencies（）;
????????}

????????#region?GetEncodingName.....

????????///?

????????///?從指定的??中判斷編碼類型
????????///?

????????///?要判斷的??
????????///?返回編碼類型（“GB2312“?“GBK“?“HZ“?“Big5“?“CNS?11643“?“ISO?2022CN“?“UTF-8“?“Unicode“?“ASCII“?“OTHER“）
????????///?
????????///?以下示例演示了如何調(diào)用??方法：
????????///?
????????///??IdentifyEncoding?ide?=?new?IdentifyEncoding（）;
????????///??Response.Write（ide.GetEncodingName（new?Uri（“http://china5.nikkeibp.co.jp/china/news/com/200307/pr_com200307170131.html“）））;??
????????///?
????????///?
????????public?virtual?string?GetEncodingName（System.Uri?testurl）
????????{
????????????sbyte[]?rawtext?=?new?sbyte[1024];
????????????int?bytesread?=?0?byteoffset?=?0;
????????????System.IO.Stream?chinesestream;
????????????try
????????????{
????????????????chinesestream?=?System.Net.WebRequest.Create（testurl.AbsoluteUri）.GetResponse（）.GetResponseStream（）;
????????????????while?（（bytesread?=?ReadInput（chinesestream?ref?rawtext?byteoffset?rawtext.Length?-?byteoffset））?>?0）
????????????????{
????????????????????byteoffset?+=?bytesread;
????????????????}
????????????????chinesestream.Close（）;
????????????}
????????????catch
????????????{
????????????????throw;
????????????}

????????????return?GetEncodingName（rawtext）;
????????}

????????///?

??????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????100004??2010-11-03?13:15??IdentifyEncoding.cs

-----------?---------??----------?-----??----

???????????????100004????????????????????1