public static void Main(string[] args)
{
//i like like like java do you like a java
string str = "as";
//获取字符出现频率统计表
Byte[] source = Encoding.UTF8.GetBytes(str);
//重要的源数据
Console.WriteLine("原始长度:" + str.Length);
CreatedHuffmanData huffmanCode = new CreatedHuffmanData();
//进行压缩，压缩数据存放在_huffmanData中
huffmanCode.CreHuffmanData(source);
// for (int i = 0; i < huffmanCode.HuffmanData.Length; i++)
// {
// Console.WriteLine(huffmanCode.HuffmanData[i]);
// }
Console.WriteLine("解压");
Unzip unzip = new Unzip();
var zip = unzip.UnzIpBytes(huffmanCode.GetHuffmanCodeMap(), huffmanCode.HuffmanData);
Console.WriteLine(zip);
//FileZip("D:\\数据结构与算法\\树\\huffmanCode\\baseCode.txt","D:\\数据结构与算法\\树\\huffmanCode\\base.zip");
UnFileZip("D:\\数据结构与算法\\树\\huffmanCode\\base.zip",
"D:\\数据结构与算法\\树\\huffmanCode\\bases.txt");
}
/// <summary>
/// 对文件进行压缩
/// </summary>
/// <param name="inPutFileName">输入流:此文件需要被压缩</param>
/// <param name="outputFileName">输出流:输出一个.zip压缩文件</param>
public static void FileZip(string inPutFileName, string outputFileName)
{
try
{
using (Stream file = new FileStream(inPutFileName, FileMode.Open, FileAccess.Read))
{
using (BinaryReader bin = new BinaryReader(file, Encoding.UTF8))
{
var bytes = bin.ReadBytes((int)file.Length);
//根据文件的字节数组压缩文件
CreatedHuffmanData cre = new CreatedHuffmanData();
cre.CreHuffmanData(bytes);
BinaryFormatter binaryFormatter = new BinaryFormatter();
using (Stream output = new FileStream(outputFileName, FileMode.Create, FileAccess.Write))
{
//将关键的经过哈夫曼编码后的字节文件，序列化写入到输出流中
binaryFormatter.Serialize(output, cre.HuffmanData);
//将关键的经过哈夫曼编码表写入到输出流中
binaryFormatter.Serialize(output, cre.GetHuffmanCodeMap());
}
}
}
}
catch (ArgumentNullException e)
{
Console.WriteLine(e.Message);
}
catch (SerializationException ex)
{
Console.WriteLine(ex.Message);
}
}
public static void Main(string[] args)
{
string str = "i like like like java do you like a java";
// string str = "aaa";
//重要的源数据
Console.WriteLine("原始长度:" + str.Length);
CreatedHuffmanData huffmanCode = new CreatedHuffmanData();
huffmanCode.CreHuffmanData(str);
for (int i = 0; i < huffmanCode.HuffmanData.Length; i++)
{
Console.WriteLine(huffmanCode.HuffmanData[i]);
}
Console.WriteLine("解压");
Unzip unzip = new Unzip();
var zip = unzip.Bytes(huffmanCode.GetHuffmanCodeMap(), huffmanCode.HuffmanData);
Console.WriteLine(zip);
}
