java 实现php的gzinflat功能_php gzinflate压缩java解密-优快云博客

本文介绍如何使用PHP的gzinflate函数解压缩数据，并提供了一个Java程序示例来实现类似的功能，包括Base64解码和解压缩。

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php 的gzinflat功能：

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<?php
eval(gzinflate(base64_decode('7H35m9rItejPd75v/gfSmRvb10uztpvx2Ak7Er

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...bla
 bla bla.... RGpn/Aw==')));?>

java实现

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package

base64decoder;

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import

java.io.ByteArrayInputStream;

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import

java.io.File;

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import

java.io.FileOutputStream;

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import

java.io.InputStream;

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import

java.util.Scanner;

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import

java.util.zip.Inflater;

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import

java.util.zip.InflaterInputStream;

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import

org.apache.commons.codec.binary.Base64;

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public

class 
GZipAndBase64Decoder {

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    public

static 
void 
main(String[] args) throws

Exception {

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        Scanner
 scanner = new

Scanner(new

File("coded.txt"));

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        String
 isi = scanner.nextLine();

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        InputStream
 inflInstream = new

InflaterInputStream(

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                new

ByteArrayInputStream(new

Base64().decode(isi)),

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                new

Inflater(true));//标准不一样

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        byte

bytes[] = new

byte[4096];

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        FileOutputStream
 fileOutputStream = new

FileOutputStream(new

File("decoded.txt"));

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        while

(true)
 {

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            int

length = inflInstream.read(bytes, 0,
4096);

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            if

(length == -1)
 {

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                break;

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            }

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            fileOutputStream.write(bytes,
0,
 length);            

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        }

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        fileOutputStream.flush();

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        fileOutputStream.close();

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    }

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}