package?com.bonc.zip;

import?java.io.ByteArrayOutputStream;
import?java.io.IOException;
import?java.util.zip.DataFormatException;
import?java.util.zip.Deflater;
import?java.util.zip.Inflater;
/**
?*?Deflater和Inflater壓縮解壓縮方式
?*?@author?Administrator
?*
?*/

public?class?CommonUtils?{

??//壓縮
??public?static?byte[]?compress（String?s）?throws?IOException?DataFormatException?{
????byte[]?input?=?s.getBytes（“UTF-8“）;

????Deflater?compressor?=?new?Deflater（）;
????compressor.setLevel（9）;

????compressor.setInput（input）;
????compressor.finish（）;

????ByteArrayOutputStream?bos?=?new?ByteArrayOutputStream（input.length）;

????byte[]?buf?=?new?byte[1024];
????int?len?=?0;
????while?（!compressor.finished（））?{
??????len?=?compressor.deflate（buf）;
??????bos.write（buf?0?len）;
????}
????bos.close（）;

????return?bos.toByteArray（）;
??}

??//解壓縮
??public?static?String?decompress（byte[]?compressData）
????throws?IOException?DataFormatException
??{
????Inflater?decompressor?=?new?Inflater（）;
????decompressor.setInput（compressData）;

????ByteArrayOutputStream?bos?=?new?ByteArrayOutputStream（compressData.length）;

????byte[]?buf?=?new?byte[1024];
????int?len?=?0;
????while?（!decompressor.finished（））?{
??????len?=?decompressor.inflate（buf）;
??????bos.write（buf?0?len）;
????}
????bos.close（）;

????return?new?String（bos.toByteArray（））;
??}
??public?static??void?main（String[]?args）?{
????try?{
		System.out.println（decompress（compress（“ddcdfcdsssdad“）））;
	}?catch?（IOException?e）?{
		//?TODO?Auto-generated?catch?block
		e.printStackTrace（）;
	}?catch?（DataFormatException?e）?{
		//?TODO?Auto-generated?catch?block
		e.printStackTrace（）;
	}
???}
}

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

?????文件????????232??2012-12-28?15:37??ZipTest\.classpath

?????文件????????383??2012-12-31?09:10??ZipTest\.project

?????文件???????2086??2012-12-31?09:11??ZipTest\bin\com\bonc\zip\CommonUtils.class

?????文件???????1940??2012-12-31?09:12??ZipTest\bin\com\bonc\zip\ZipUtils.class

?????文件???????1740??2012-12-31?09:11??ZipTest\src\com\bonc\zip\CommonUtils.java

?????文件???????1641??2012-12-31?09:12??ZipTest\src\com\bonc\zip\ZipUtils.java

?????目錄??????????0??2013-01-05?13:47??ZipTest\bin\com\bonc\zip

?????目錄??????????0??2013-01-05?13:47??ZipTest\src\com\bonc\zip

?????目錄??????????0??2013-01-05?13:47??ZipTest\bin\com\bonc

?????目錄??????????0??2013-01-05?13:47??ZipTest\src\com\bonc

?????目錄??????????0??2013-01-05?13:47??ZipTest\bin\com

?????目錄??????????0??2013-01-05?13:47??ZipTest\src\com

?????目錄??????????0??2013-01-05?13:47??ZipTest\bin

?????目錄??????????0??2013-01-05?13:47??ZipTest\src

?????目錄??????????0??2013-01-05?13:47??ZipTest

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

?????????????????8022????????????????????15