Routing configuration in Yii framework

With the rapid development of the Internet, the needs of web applications are becoming more and more diverse. As a web developer, proficiency in development frameworks can improve development efficiency and code readability. As a high-performance web application framework, the Yii framework's routing configuration is also a very important part.

Routing is the process of matching URL requests with corresponding controllers and operation methods in web applications. In the Yii framework, routing rules consist of three parts, namely controllers, operation methods, and parameters. By setting routing rules, you can make URLs more friendly and improve user experience. The following will introduce some routing configuration methods in the Yii framework.

1. Basic routing configuration

In the Yii framework, basic routing configuration can be achieved by modifying the 'modules' parameter in the project configuration file. First, you need to determine the entry script of the application. Here, the entry script is 'index.php' as an example. In the application's configuration file 'config/web.php', you can add the following code:

'modules' => [
    'admin' => 'appmodulesdminModule',
],

The above code means that for url requests with '/admin/' as the prefix in the website, the Yii framework will automatically Resolve it under the 'appmodules dmin' module.

2. Parameter passing routing configuration

In actual development, it is usually necessary to pass certain parameters to the controller's operation method. For example, we need to pass the ID of a news to the news details page for display. In the Yii framework, it can be implemented in the following way:

'urlManager' => [
    'enablePrettyUrl' => true,
    'showScriptName' => false,
    'rules' => [
        'news/<id:d+>' => 'news/detail',
    ],
],

In the above code, means matching a numeric id and passing it to the 'detail' operation method of the controller . And 'news/detail' means routing the request to the 'detail' operation method of the news controller.

In addition to numeric type parameter passing, the Yii framework also supports other types of parameter passing methods such as strings and regular expressions.

3. URL beautification

Many times, web applications need to simplify cumbersome URLs to improve user experience. In the Yii framework, you can use the following method to beautify the URL:

'urlManager' => [
    'enablePrettyUrl' => true,
    'showScriptName' => false,
    'rules' => [
        'news/<id:d+>' => 'news/detail',
        [
            'pattern' => 'news/page/<page:d+>',
            'route' => 'news/index',
            'suffix' => '.html',
        ],
    ],
],

In the above code, the 'suffix' parameter represents the URL suffix, which can be customized as needed. The 'pattern' and 'route' parameters represent url rules and corresponding controllers and operation methods. For example, 'news/page/' indicates that the match starts with '/news/page/', followed by a numeric page number, and passes it to the 'index' operation method of the 'news/index' controller. middle.

To sum up, the routing configuration in the Yii framework includes a variety of methods, which can customize different routing rules according to business needs and improve the user experience and readability of web applications. For developers, after mastering the routing configuration of the Yii framework, they can develop web applications more efficiently and improve the maintainability and scalability of the code.

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