System.Text.Encoding 学习笔记

测试各种编码转换前后结果

最新推荐文章于 2025-03-21 19:00:00 发布

转载最新推荐文章于 2025-03-21 19:00:00 发布 · 3.5k 阅读

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#byte #class #测试

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本文展示并测试了Unicode、ASCII、BigEndianUnicode、Default、GB2312、UTF32、UTF7、UTF8编码在转换过程中的前后结果。

using System;
using System.Text;
/// <summary>
///  测试各种编码转换前后结果
/// </summary>
public class EncodingTest
{
    [STAThread]
    static void Main()
    {
        EncodingTest test;
        test = new EncodingTest();
    }
    
    public byte[] m_bytes=new byte[256];
    public StringBuilder sb = new StringBuilder(1024);
 public EncodingTest()
 {
        for(int i=0;i<256;i++)
        {
            m_bytes[i]=(byte)i;
        }
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.Unicode.GetString(m_bytes));
        Console.WriteLine("Unicode"　+ sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.Unicode.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.ASCII.GetString(m_bytes));
        Console.WriteLine("ASCII" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.ASCII.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.BigEndianUnicode.GetString(m_bytes));
        Console.WriteLine("BigEndianUnicode" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.BigEndianUnicode.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.Default.GetString(m_bytes));
        Console.WriteLine("Default" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.Default.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.GetEncoding("GB2312").GetString(m_bytes));
        Console.WriteLine("GB2312" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.GetEncoding("GB2312").GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.UTF32.GetString(m_bytes));
        Console.WriteLine("UTF32" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.UTF32.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.UTF7.GetString(m_bytes));
        Console.WriteLine("UTF7" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.UTF7.GetBytes(sb.ToString())));
        sb.Remove(0, sb.Length);
        sb.Append(System.Text.Encoding.UTF8.GetString(m_bytes));
        Console.WriteLine("UTF8" + sb.Length.ToString());
        Console.WriteLine(BitConverter.ToString(System.Text.Encoding.UTF8.GetBytes(sb.ToString())));
 }
}
 

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