如何解决gzip编码问题

youngpand 2007-04-28 05:53:04

一个网站用了gzip编码
我用fsockopen抓取那个网站的数据得到的是乱码，
怎么把gzip编码的数据还原成正常编码
其HEADER信息如下：
Server: Apache
Cache-Control: no-cache, must-revalidate
Pragma: no-cache
Content-Encoding: gzip
Content-Length: 7295
Connection: close
Content-Type: text/html; charset=gb2312

请高手指点：如何把gzip编码的数据还原成正常编码？谢谢！

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tony-杨 2007-04-29

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参见Zlib Compression Functions类的函数

很少用到

实在帮不了忙

iasky 2007-04-29

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gzuncompress

newzy 2007-04-29

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方法有三, 供大家参考:

(1) 如果是开发工具支持压缩输出(如 php, csp/eybuild 等都支持),
临时关闭压缩输出选项, (如注释掉 ebDeflateInit(TRUE); 一句即可)

(2) 如果是 webserver 开启了压缩过滤, 则打开 apache 的配置文件, 注释
掉 mod_deflate 等相关选项, 即关闭输出压缩过滤器, 重启 apache.
请参考 apache mod_deflate 相关配置.

(3) 用 httplook 抓包, 记住选中 "Decode compressed entities" 选项.
抓到压缩的数据, 它会解开显示.
结果如下例所示, "Message body has been unpacked." 即表已经解包显示.



HTTP/1.1 200 OK

Date: Sun, 29 Apr 2007 09:39:49 GMT

X-Powered-By: CSP/eybuild-2.3.0

Content-Encoding: gzip

Content-Length: 903

Keep-Alive: timeout=15, max=100

Connection: Keep-Alive

Content-Type: text/html





<html>

<head>

<META content=no-cache http-equiv=pragma>

<META content="text/html; charset=gb2312" http-equiv=Content-Type>

<META content="wed, 26 Feb 1997 08:21:57 GMT" http-equiv=expires>

<title>BBR 登录(V1.1.0)</title>

<style>

<!-- 

p, td, div, b {	font-size: 11pt; }

td {height: 35px;}

div { color: red }

#title {font-size: 16px; color: #663300; width: 90px; }

#text { width: 150px; }

a:link {color: #000066; text-decoration: none} 

a:visited {color: #000066; text-decoration: none}

a:hover {color: #FF0000; text-decoration: underline} 

a:active {color: #000066; text-decoration: underline}

-->

</style>

<script language=JavaScript><!-- 

if (top.location !== self.location){top.location.href=self.location;}

function set_focus() {

	document.forms[0].elements[1].focus();

}

-->

</script>

</head>

<body onload="set_focus();">

<p style="margin-top: 80px">

<center>

<form action="" method=post>

  <table width=300 border=1 cellpadding="2" cellspacing="0" bordercolor="#EA8A1C">

    <tr>

      <td height=40 colspan=2 bgcolor="#FFDA00"><strong>登录到 Broadband Router:</strong></td>

    <tr>

      <td id="title">用户名：</td>

      <td height=30><input id="text" type=text name=usrname size=12 value="user"></td>

    <tr>

      <td id="title">口 令：</td>

      <td height=30><input id="text" type=password name=passwd size=12 value="user"></td>

    <tr>

      <td colspan=2 align=center><input type=submit name=login value="提 交"></td>

  </table>

 </FORM>



<div>

[ <A href="?!=/login.csp&lang=ch" target=_top>中文</A> |

  <A href="?!=/login.csp&lang=en" target=_top>English</A> |

  <A href="?!=/login.csp&lang=jp" target=_top>日本語</A> ]

</div>

<p style="margin-top: 30px">(来自 http://www.eybuild.com)</p>

</center>

</body>

</html>



Message body has been unpacked.