Introduction to CI framework MVC simple Example _php instance

The example in this article describes the MVC simple example of getting started with the CI framework. Share to everyone for your reference, specific as follows:

The simplest CI model:

Note: The model needs to use a database

Configuration file in appcation/config.php

Here we want to use the database, need to databases.php in the relevant parameters to fill out, specifically no longer repeat.

Directly into the subject:

Mvc:

1, first talk about "M" model

The model in CI is stored in the Application/models folder.

The naming rule is: Class name _model.php

The file contains only one class:

Such as:

Class Nb_model extends Ci_model {public
 function __construct ()
 {
  //Connection database
  $this->load-> Database ();
 }
 Public function Get () {
   //query database
   $query = $this->db->get (' users ');
   Returns the result of the query as an array return
   $query->result_array ();
 }

2, the second talk about "C"

With the database model and its methods, we should extract the data.

The controllers in CI are stored in the Application/controllers folder

Naming rules: Class name. php

Such as:

Prevents illegal access to
if (! defined (' BasePath ')) exit (' No Direct script access allowed ');
Class Nb extends Ci_controller {public
  function __construct ()
  {
    parent::__construct ();
        Load data Model
    $this->load->model (' Nb_model ');
  }
  The Public Function index ()
  {
    //obtains data based on the data model
    $data [' nb ']= $this->nb_model->get ();
    Load view file
    $this->load->view (' NB ', $data);
  }
Note/* End of File
nb.php
/* Location:./application/controllers/nb.php/*

3, the last talk about "V"

With the database model and its methods, we should extract the data.

The controllers in CI are stored in the Application/controllers folder

Naming rules: Class name. php (or, of course, not a class name, as long as it is consistent with the name of the View argument in the controller)

Such as:

More interested in CodeIgniter related content readers can view the site topics: "CodeIgniter Introductory Course", "CI (CodeIgniter) Framework Advanced Course", "PHP Excellent Development Framework Summary", "thinkphp Introductory Course", " Thinkphp Common Methods Summary, "Zend Framework Introduction Course", "PHP object-oriented Programming Introduction Course", "Php+mysql Database operation Introduction Tutorial" and "PHP common database Operation Skills Summary"

I hope this article will help you with the PHP program design based on CodeIgniter framework.