Where is the yii add module?

This article takes the Yii2 basic application template as an example to introduce the process of adding new modules to the framework:

##1. Create new module-related directories and files

step 1: Create a new directory structure (Recommended learning: yii tutorial)

First create a new modules directory in the root directory, and then add the module directory below this directory. Assuming that we need to add a user module here, we can name the directory user, and then add three directories, models, views, and controllers, under the user directory. As shown below:

step 2: Add module class file

Take adding user module as an example, we This class file can be ordered as UserModule.php. Note that this class needs to inherit yii\base\Module　

<?php
namespace app\modules\user;

use yii\base\Module;

class UserModule extends Module
{
}

2. The configuration module

is mainly in config/ Add relevant configurations to web.php. The configuration information is as follows:

'modules'=>array(
        'user'=>[
            'class'=>'app\modules\user\UserModule',
        ]
    ),

3. You can add corresponding files to the models, views and controllers of the newly created user module. My example is as follows. After the creation is successful, You can enter http://localhost/user/register/index and the test runs successfully.

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