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<title>mod_env － Apache 2.2 中文版参考手册</title>
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<p class="menu"><a href="../mod/index.html">模块索引</a> | <a href="../mod/directives.html">指令索引</a> | <a href="../faq/index.html">常见问题</a> | <a href="../glossary.html">词汇表</a> | <a href="../sitemap.html">站点导航</a></p><p class="apache">Apache HTTP Server 版本2.2</p><img alt="" src="../images/feather.gif" /></div>
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<div id="path"><a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">文档</a> > <a href="../index.html">版本2.2</a> > <a href="./index.html">模块</a></div>
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<div id="page-content"><div id="preamble"><h1>Apache模块 mod_env</h1>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="module">
<tr><th><a href="module-dict.html#Description">说明</a></th><td>允许Apache修改或清除传送到CGI脚本和SSI页面的环境变量</td></tr>
<tr><th><a href="module-dict.html#Status">状态</a></th><td>基本(B)</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">模块名</a></th><td>env_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">源文件</a></th><td>mod_env.c</td></tr>
</table>
<h3>概述</h3>
<p>本模块用于控制传送给CGI脚本和SSI页面的环境变量。所传送的环境变量可以来自调用<code class="program"><a href="../programs/httpd.html">httpd</a></code>进程的shell ，或者来自在配置过程中所设定(set)或撤销(unset)的变量。</p>
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<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="PassEnv" id="PassEnv">PassEnv</a> <a name="passenv" id="passenv">指令</a></h2>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="directive">
<tr><th><a href="directive-dict.html#Description">说明</a></th><td>传送shell中的环境变量</td></tr>
<tr><th><a href="directive-dict.html#Syntax">语法</a></th><td><code>PassEnv <var>env-variable</var> [<var>env-variable</var>] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Context">作用域</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">覆盖项</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">状态</a></th><td>基本(B)</td></tr>
<tr><th><a href="directive-dict.html#Module">模块</a></th><td>mod_env</td></tr>
</table>
<p>从调用<code class="program"><a href="../programs/httpd.html">httpd</a></code>进程所在的shell中，指定一个或者更多个环境变量，传送到CGI脚本和SSI页面。例如：</p>
<div class="example"><h3>示例</h3><p><code>
PassEnv LD_LIBRARY_PATH
</code></p></div>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="SetEnv" id="SetEnv">SetEnv</a> <a name="setenv" id="setenv">指令</a></h2>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="directive">
<tr><th><a href="directive-dict.html#Description">说明</a></th><td>设置环境变量</td></tr>
<tr><th><a href="directive-dict.html#Syntax">语法</a></th><td><code>SetEnv <var>env-variable</var> <var>value</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">作用域</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">覆盖项</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">状态</a></th><td>基本(B)</td></tr>
<tr><th><a href="directive-dict.html#Module">模块</a></th><td>mod_env</td></tr>
</table>
<p>设置一个环境变量，该变量将会传送到CGI脚本和SSI页面。例如：</p>
<div class="example"><h3>示例</h3><p><code>
SetEnv SPECIAL_PATH /foo/bin
</code></p></div>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="UnsetEnv" id="UnsetEnv">UnsetEnv</a> <a name="unsetenv" id="unsetenv">指令</a></h2>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="directive">
<tr><th><a href="directive-dict.html#Description">说明</a></th><td>删除一个环境变量</td></tr>
<tr><th><a href="directive-dict.html#Syntax">语法</a></th><td><code>UnsetEnv <var>env-variable</var> [<var>env-variable</var>] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Context">作用域</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">覆盖项</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">状态</a></th><td>基本(B)</td></tr>
<tr><th><a href="directive-dict.html#Module">模块</a></th><td>mod_env</td></tr>
</table>
<p>在传送到CGI脚本和SSI页面的环境中，删除一个或者多个环境变量。例如：</p>
<div class="example"><h3>示例</h3><p><code>
UnsetEnv LD_LIBRARY_PATH
</code></p></div>
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