What are yii2.0 components?
Components are the main building blocks of Yii applications. Is an instance of the yii\base\Component class or its subclasses. The three main functions that distinguish it from other classes are Properties, Events, and Behaviors.
Dec 04, 2019 am 11:39 AM
What kind of framework is the yii framework?
The yii framework is a high-performance, component-based PHP framework for rapid development of modern web applications. The name Yii (pronounced Yi) has dual meanings in Chinese of "extreme simplicity and continuous evolution", and can also be regarded as the abbreviation of Yes It Is!.
Dec 04, 2019 am 11:26 AM
What is a module in Yii
Modules in Yii are independent software units, consisting of models, views, controllers and other supporting components. End users can access the controllers of installed modules in the application body. The modules are treated as small application bodies, and the application The difference between the main body and the main body is that the module cannot be deployed independently and must belong to an application main body.
Dec 04, 2019 am 11:22 AM
How to set up session in yii
First of all, in the Yii framework, you do not need to use session_start() like standard PHP code. In the Yii framework, set the session variable: Yii::app()->session['var']='value';.
Dec 04, 2019 am 11:12 AM
The difference between yii events and behaviors
The difference between yii events and behaviors: Events are used to trigger the execution of a preset piece of code at a specific point in time. Classes that need to use events are inherited from yii\base\Component; behaviors are used to supplement classes, through Binding a behavior to a class allows the class to have properties and methods defined by the behavior itself.
Dec 04, 2019 am 11:04 AM
What is the difference between tp5 and yii2
The difference between tp5 and yii2: Generally speaking, tp5 is very suitable for small and medium-sized commercial projects, tp5 is a high-performance and domestically produced product; while yii2 is very suitable for large-scale commercial projects, yii2 is a performance and component framework, and I heard that Baidu is also using it.
Dec 04, 2019 am 10:57 AM
What are the yii widgets?
Yii widgets include ActiveForm, Alert, Button, ButtonGroup, Carousel, Dropdown and other components. These widgets can quickly build bootstrap components based on boostrap CSS styles and directly generate HTML code.
Dec 04, 2019 am 10:45 AM
What is the yii framework model
The Yii framework model is part of the MVC pattern and is an object that represents business data, rules and logic. The Model class is also the base class for more advanced models such as Active Record.
Nov 30, 2019 pm 03:17 PM
What is the use of yii framework controller
The controller of the Yii framework is part of the MVC pattern. It is an object that inherits the Yii\base\Controller class and is responsible for processing requests and generating responses. Specifically, after taking over control from the application body, the controller analyzes the request data and transmits it to the model, transmits the model results to the view, and finally generates output response information.
Nov 30, 2019 pm 01:13 PM
Are Yii framework application components service locators?
No, the Yii framework application body is the service locator, which deploys a set of application components that provide various functions to handle requests. For example, the urlManager component is responsible for routing web page requests to the corresponding controller. The db component provides database-related services and more.
Nov 29, 2019 pm 03:36 PM
How to understand the application body of Yii framework?
The application subject is the object that manages the overall structure and life cycle of the Yii framework application system. Each Yii application system can only contain one application principal. The application principal is created in the entry script and can be accessed globally through the expression \Yii::$app.
Nov 29, 2019 pm 01:43 PM
What is the use of the yii framework entry script?
The yii framework entry script mainly completes defining global constants, registering the Composer autoloader, including Yii class files, loading application configurations, creating an application instance and configuring it, creating an application instance and configuring it, and calling yii\base\Application::run() to handle requests etc.
Nov 28, 2019 pm 03:31 PM
What is the application structure of yii framework?
Yii is organized according to the Model-View-Controller (MVC) design pattern. In addition to MVC, Yii applications also have entry scripts, applications, application components, modules, filters, and widgets.
Nov 28, 2019 pm 01:26 PM
How to open Gii in yii framework
Gii is a module in Yii. It can be enabled by configuring the modules property of the application. Usually in the config/web.php file, if the current development environment is, the application will include the gii module, and the module class is yii\gii\Module.
Nov 27, 2019 pm 04:13 PM
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