标签：
（1）Public display
在components/com_helloworld/ 创建文件 helloworld.php 包含内容 Hello world
测试 index.php?option=com_helloworld
（2）Administrator management
在administrator/components/com_helloword.php 包含内容 Hello world administratioin
测试 administrator/index.php?option=com_helloworld
(3)打包一个安装文件
helloworld.xml
<?xmlversion="1.0"encoding="utf-8"?> <extensiontype="component"version="2.5.0"method="upgrade"> <name>Hello World!</name> <!-- The following elements are optional and free of formatting constraints --> <creationDate>November 2009</creationDate> <author>JohnDoe</author> <authorEmail>john.doe@example.org</authorEmail> <authorUrl>http://www.example.org</authorUrl> <copyright>Copyright Info</copyright> <license>License Info</license> <!-- The version string is recorded in the components table --> <version>0.0.1</version> <!-- The description is optional and defaults to the name --> <description>Description of the Hello World component ...</description> <update> <!-- Runs on update; New in 2.5 --> <schemas><schemapathtype="mysql">sql/updates/mysql</schemapath></schemas> </update> <!-- Site Main File Copy Section --><!-- Note the folder attribute: This attribute describes the folder to copy FROM in the package to install therefore files copied in this section are copied from /site/ in the package --><filesfolder="site"> <filename>index.html</filename><filename>helloworld.php</filename></files> <administration><!-- Administration Menu Section --><menu>Hello World!</menu> <!-- Administration Main File Copy Section --> <!-- Note the folder attribute: This attribute describes the folder to copy FROM in the package to install therefore files copied in this section are copied from /admin/ in the package --> <filesfolder="admin"><!-- Admin Main File Copy Section --> <filename>index.html</filename><filename>helloworld.php</filename> <!-- SQL files section --><folder>sql</folder></files></administration> </extension>
site/helloworld.php
Hello Worldadmin/helloworld.phpHello World administrationindex.html common to all folders<html><bodybgcolor="#FFFFFF"></body></html>生成安装包后即可在后台安装，如果安装失败，很有可能是文件权限问题。压缩成zip文件，就是一个安装包了，不过这个安装包很简单，如你所见就几个文件，接下来的部分是不断完善的过程，内容有点多，也可以需要的时候阅读官网的教程，我会在后面的章节记录自己用到的部分。
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原文地址：http://www.cnblogs.com/codergma/p/4768078.html
