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Apache模块 mod_charset_lite

说明允许对页面进行字符集转换
状态实验(X)
模块名charset_lite_module
源文件mod_charset_lite.c

概述

This is an experimental module and should be used with care. Experiment with your mod_charset_lite configuration to ensure that it performs the desired function.

mod_charset_lite allows the administrator to specify the source character set of objects as well as the character set they should be translated into before sending to the client. mod_charset_lite does not translate the data itself but instead tells Apache what translation to perform. mod_charset_lite is applicable to EBCDIC and ASCII host environments. In an EBCDIC environment, Apache normally translates text content from the code page of the Apache process locale to ISO-8859-1. mod_charset_lite can be used to specify that a different translation is to be performed. In an ASCII environment, Apache normally performs no translation, so mod_charset_lite is needed in order for any translation to take place.

This module provides a small subset of configuration mechanisms implemented by Russian Apache and its associated mod_charset.

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Common Problems

Invalid character set names

The character set name parameters of CharsetSourceEncCharsetDefault must be acceptable to the translation mechanism used by APR on the system where mod_charset_lite is deployed. These character set names are not standardized and are usually not the same as the corresponding values used in http headers. Currently, APR can only use iconv(3), so you can easily test your character set names using the iconv(1) program, as follows:

iconv -f charsetsourceenc-value -t charsetdefault-value

Mismatch between character set of content and translation rules

If the translation rules don't make sense for the content, translation can fail in various ways, including:

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CharsetDefault 指令

说明Charset to translate into
语法CharsetDefault charset
作用域server config, virtual host, directory, .htaccess
覆盖项FileInfo
状态实验(X)
模块mod_charset_lite

CharsetDefault directive specifies the charset that content in the associated container should be translated to.

The value of the charset argument must be accepted as a valid character set name by the character set support in APR. Generally, this means that it must be supported by iconv.

示例

<Directory /export/home/trawick/apacheinst/htdocs/convert>
CharsetSourceEnc UTF-16BE
CharsetDefault ISO-8859-1
</Directory>

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CharsetOptions 指令

说明Configures charset translation behavior
语法CharsetOptions option [option] ...
默认值CharsetOptions DebugLevel=0 NoImplicitAdd
作用域server config, virtual host, directory, .htaccess
覆盖项FileInfo
状态实验(X)
模块mod_charset_lite

CharsetOptions directive configures certain behaviors of mod_charset_lite. Option can be one of

DebugLevel=n
The DebugLevel keyword allows you to specify the level of debug messages generated by mod_charset_lite. By default, no messages are generated. This is equivalent to DebugLevel=0. With higher numbers, more debug messages are generated, and server performance will be degraded. The actual meanings of the numeric values are described with the definitions of the DBGLVL_ constants near the beginning of mod_charset_lite.c.
ImplicitAdd | NoImplicitAdd
The ImplicitAdd keyword specifies that mod_charset_lite should implicitly insert its filter when the configuration specifies that the character set of content should be translated. If the filter chain is explicitly configured using the AddOutputFilter directive, NoImplicitAdd should be specified so that mod_charset_lite doesn't add its filter.
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CharsetSourceEnc 指令

说明Source charset of files
语法CharsetSourceEnc charset
作用域server config, virtual host, directory, .htaccess
覆盖项FileInfo
状态实验(X)
模块mod_charset_lite

CharsetSourceEnc directive specifies the source charset of files in the associated container.

The value of the charset argument must be accepted as a valid character set name by the character set support in APR. Generally, this means that it must be supported by iconv.

示例

<Directory /export/home/trawick/apacheinst/htdocs/convert>
CharsetSourceEnc UTF-16BE
CharsetDefault ISO-8859-1
</Directory>

The character set names in this example work with the iconv translation support in Solaris 8.