How to develop modules in yii2

yii2 Model creation can be created through the gii tool, which is convenient and fast (recommended learning: yii tutorial)

yii2 Yes Create a modules folder in the root directory of the project to store each module. Of course, you can also create additional modules in each module

1. Create a module directly in the root directory of the project

Look at the screenshot--"Then click Preview--"generate to generate the payment module

Don't forget one operation at this time!!!!!!!!! !!!!!!

The above prompts to add the model namespace to the configuration file: For the basic version, open web.php and add the following mapping relationship to the $config array

'modules' => [
        'payment' => [
            'class' => 'app\modules\payment\Payment',
        ],
 ],

Then you can access the corresponding route in the browser. . It can be the following

r=payment                      默认找到payment/default/index
r=payment/default            gii默认创建了default控制器和index操作
r=payment/default/index     这个可以访问，上面说过了

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