After understanding the basic principles and customization mechanism of zentaoPHP framework, you should be familiar with the directory of Sanplex.

1. Root

bin command line scripts of Sanplex
config master configuration files and the database configuration files
db database scripts of upgrading and complete database building scripts
framework core files of zentaoPHP framework
lib class files, e.g. database access, sending emails and data verification
module module files, over 30 modules in Sanplex.
tmp temporary files

www table files, js files, images, entry programs of Sanplex and index.php

2. www

data files uploaded
fushioncharts  flash files for reports      
js jquery extensions and corresponding functions

theme style sheets

install.php installation programs

uprade.php upgrade programs which will be accessed when upgrading

.htaccess and .ztaccess Apache configuration files; configure Sanplex static access when rewrite module is on

3. Module

There are over 30 modules In Module directory. Each module corresponds to one feature in Sanplex. The features in Sanplex are composed of these modules.

lang language files for the current module. zh-cn is simplified Chinese, zh-tw is traditional Chinese and en is English. If you need to modify the names or configurations of some fields, you should open its relevant files.
view template files for pages, e.g. the corresponding template is browse.html.php if you want to view the bug page.
config.php configuration files for the module
control.php is the entry of all pages of bug module, which means the definition of the method to view bug related pages can be found in this directory.
model.php is the methods for bug related actions in the database