c#编程指南(十七) 字符串和字节流相互转化

字符串和字节流的转化，主要用的是System.Text.Encoding类，下面的代码示例，实现了UTF8,UTF32,GB2312常用编码的文本转化，代码很简单，

也不用解释，放在这里供大家参考，方便之余，还是赞叹一个.net的给力吧！！

  
    

   
     
   
      1 
   
     using
   
      System;

   
      2 
   
      
   
     using
   
      System.Collections.Generic;

   
      3 
   
     
   
     using
   
      System.Text;

   
      4 
   
     

   
      5 
   
     
   
     namespace
   
      TextEncoder

   
      6 
   
     {

   
      7 
   
      
   
     class
   
      Program

   
      8 
   
      {

   
      9 
   
      
   
     private
   
      
   
     static
   
      
   
     string
   
      _test 
   
     =
   
      
   
     "
   
     Abc
   
     "
   
     ;

   
     10 
   
      
   
     //

   
     11 
   
     
   
      
   
     static
   
      
   
     void
   
      Main(
   
     string
   
     [] args)

   
     12 
   
      {

   
     13 
   
      
   
     //
   
     ASCII,UTF7,UTF8,UTF32,UNICODE
   
     

   
     14 
   
     
   
      
   
     byte
   
     [] bytes1 
   
     =
   
      Encoding.ASCII.GetBytes(_test);

   
     15 
   
      
   
     byte
   
     [] bytes2 
   
     =
   
      Encoding.UTF8.GetBytes(_test);

   
     16 
   
      
   
     byte
   
     [] bytes3 
   
     =
   
      Encoding.Unicode.GetBytes(_test);

   
     17 
   
      
   
     //

   
     18 
   
     
   
      
   
     string
   
      s1 
   
     =
   
      Encoding.ASCII.GetString(bytes1);

   
     19 
   
      
   
     string
   
      s2 
   
     =
   
      Encoding.UTF8.GetString(bytes2);

   
     20 
   
      
   
     string
   
      s3 
   
     =
   
      Encoding.Unicode.GetString(bytes3);

   
     21 
   
      
   
     //
   
     

   
     22 
   
      
   
     //
   
     GB2312,BIG5
   
     

   
     23 
   
     
   
      
   
     byte
   
     [] bytes4 
   
     =
   
      Encoding.GetEncoding(
   
     "
   
     GB2312
   
     "
   
     ).GetBytes(_test);

   
     24 
   
      
   
     byte
   
     [] bytes5 
   
     =
   
      Encoding.GetEncoding(
   
     "
   
     BIG5
   
     "
   
     ).GetBytes(_test);

   
     25 
   
      
   
     //

   
     26 
   
     
   
      
   
     string
   
      s4 
   
     =
   
      Encoding.GetEncoding(
   
     "
   
     GB2312
   
     "
   
     ).GetString(bytes4);

   
     27 
   
      
   
     string
   
      s5 
   
     =
   
      Encoding.GetEncoding(
   
     "
   
     BIG5
   
     "
   
     ).GetString(bytes5);

   
     28 
   
      
   
     //

   
     29 
   
     
   
      Console.WriteLine(s1 
   
     +
   
      
   
     "
   
     ;
   
     "
   
      
   
     +
   
      s2 
   
     +
   
      
   
     "
   
     ;
   
     "
   
      
   
     +
   
      s3 
   
     +
   
      
   
     "
   
     ;
   
     "
   
      
   
     +
   
      s4 
   
     +
   
      
   
     "
   
     ;
   
     "
   
      
   
     +
   
      s5);

   
     30 
   
      }

   
     31 
   
      }

   
     32 
   
     }