thinkphp 3 MVC mode and URL access

I. What is MVC//understanding
M-model writing Model classes to manipulate data
V-view Writing HTML files, page rendering
C-controller Writing class files (UserAction.class.php)
Second, the MVC features of thinkphp//understanding
Third, thinkphp of the MVC corresponding Directory//understanding
M project directory/application directory/lib/model
V project directory/application directory/TPL
C project directory/application directory/lib/action
Iv. URL Access c//understanding
Five, URL 4 ways to access//focus!
1.PATHINFO Mode--KEY!!!!!!
HTTP//project name/Portal File/Module name/method name/Key 1/value 1/Key 2/value 2
If you want to modify the "/" in the URL, you can add ' url_pathinfo_depr ' = '-' in the configuration file
2. Normal mode
HTTP//Name/project/portal file? m= Module name &a= method name & key 1= value 1& key 2= value 2
Http://192.168.1.11/think/index.php?m=index&a=test
3.REWRITE mode
HTTP//project name/Module name/method name/Key 1/value 1/Key 2/value 2
Need to modify Apache configuration file httpd.conf file
4. Compatibility mode
HTTP//Name/project name/entry file? S= Module Name/method name/Key 1/value 1/Key 2/value 2