PHP tutorial—DedeCMS secondary development (2)
DreamWeaver Content Management System (DedeCMS) is a website management system (Web CMS) that integrates content publishing, editing, management and retrieval. In addition to having many characteristics of foreign CMS, it also combines the needs of Chinese users. Content management system concepts are clearly analyzed and positioned.
DedeCMS secondary development
1. DedeCMS secondary development
In order to let more people understand the secondary development and understand the secondary development of DedeCMS more conveniently, The following will briefly introduce some foundations and outlines about the secondary development of DedeCMS
2. The necessary foundation for the secondary development of DedeCMS:
· Very familiar with HTML
· Familiar with the layout of p+CSS
· Solid PHP foundation, familiar with structured programming, understand OOP, and able to understand and use
· Familiar with MYSQL, master the SQL language
3. DedeCMS secondary development learning process
· Understand what CMS is
· Be familiar with the functions of DedeCMS (such as: columns Classification, document management, model use, system settings and other common functions)
· Master the use and principles of DedeCMS template tags
· DedeCMS directory structure analysis and familiarity with the main contents of each folder What files to install, so that you know what files to modify in which folder during secondary development
Directory structure summary:
./a Generated file storage path .
/data Cache files and data center
/admin Management background data
/backupdata Backup data
/cache Cache files
/enums Level linkage data, JS, enumeration type cache files
/js Commonly used JS
/mark Watermark related files
/module Module installation file
/rss Rss related
/sessions Session storage path
/textdata Text data
/tplcache Template cache
/uploadtmp Upload file cache Location
/ziptmp zip package decompression cache location...
DedeCMS file structure analysis Familiar with the basic functions of each file, it is convenient to make modifications. After knowing the general function of each file, you can easily Modify the file
File structure summary:
common.inc.php database configuration file
config.cache.bak.php background system configuration Backup
config.cache.inc.php Backend system configuration file cache
downmix.data.php Collection of obfuscated cache files
mysql_error_track.inc MYSQL error log
safequestions.php Security issues
sitemap.html Sitemap
sys_pay.cache.php Payment gateway configuration
template.rand.php Random template settings...
· For DedeCMS database structure analysis, you must at least be familiar with the function of each table, understand the design of several core tables and the meaning of the fields, so that you can quickly judge whether to obtain new requirements. Add fields or create a new table for processing. At the same time, you can also understand the database design ideas of DedeCMS and add useful design ideas to your own system.
· DedeCMS process control and analysis of some core files. Familiar with some common process controls such as login, registration, document management, permission control, classification management, model setting, etc. Dissect several core files and understand their programming skills and security mechanisms
· Development of DedeCMS plug-ins (**** plug-ins and embedded plug-ins) Familiar with the writing of two plug-ins, and the import and export of plug-ins , the use of plug-in matching models
As the first open source content management system in China, DedeCMS has been exploring the path of China's Internet content management system since its creation, and has led the way forward for many open source CMSs. The program was As a personal work, a team has been formed to improve user services and product quality while conducting research on Chinese website content management systems, becoming the most popular content management system currently on the market.
Related recommendations:
The most complete tutorial on secondary development of PHP (1)
Four basic requirements for secondary development of PHP
The best and most practical PHP secondary development tutorial_PHP tutorial
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