thinkphp Simple Knowledge Point (ii)

1. Describe the principles of MVC and the benefits of single-entry mode?

　　

Benefits of Single entry mode: safe and flexible. Centralized security processing, access to statistics and other unified control. 2. Why should the PHP version be judged in the import file, and what is the version of PHP required for TP?

　　because ThinkPHP3.2 introduces the concept of namespaces,PHP5.3 above (including PHP5.3) Support

PHP version cannot be less than 5.3.0

3. What is the controller definition rule (including controller name, controller class name, and controller class file name) and an example?

controller name: Capitalize first letter. Example:Index Controller class name: Controller name +controller. Example:indexcontroller Controller class file name: Controller class name +.class.php. Example:IndexController.class.php

4. what are the two ways to generate a new module?

　　1.define (' Bind_module ', ' Admin ');

2. copy the Home module

5. What are the five instantiation methods of the model class, each of which is cited as an example?

1. Instantiate an empty model class: $model =new models ();

2. Instantiate the underlying model class: $model =new model ([' model name '],[' data table prefix '],[' database connection information ']);3.M method Instantiation of the underlying model class: $model =m ([' Model name '],[' data table prefix '],[' database connection information ']);4. Instantiate a custom base model class: $model =new Model class operation name ([' Model name '],[' data table prefix '],[' database connection information ');5.D method instantiates a custom base model class: $model =d ([' Model name '],[' data table prefix '],[' database connection information ']);

what is the equivalent full native method for setting default values for the 6.I method?

　　Example:$id =isset ($_get[' id ")? $_get[' id '];

7. The difference between implicit query and display query, which is more efficient, please give examples of two kinds of writing rules of Query method;

　　difference: Display query can improve query speed, high efficiency; Show queries more efficiently

Explicit query:field For example:$this->field (' name ', ' pwd ')->select (); Implicit query: For example:$this->select ();

8. What is the coherent operation for specifying field updates and insertions, and how do you specify field insertions and modifications?

　　Update:SetField Example:$User, where (' id=5 ')->setfield (' name ', ' thinkphp ');

Insert:Add () $User->data ($data)->add ();

9. How is the template theme called, and How does the view-level catalog need to be adjusted after using the template theme?

Template Theme call:$this->theme (' Blue ')->display (); View-level catalog:--view--blue/　　/ template theme 　　　　　　　　　　　　 --index/　　/ controller name 　　　　　　　　　　　　　　 --color.html// Template Theme page 　　　　　　　　　　　　　　　　

thinkphp Simple Knowledge Point (ii)