Let's talk about how thinkphp changes routing

ThinkPHP is an open source PHP development framework, which provides developers with a PHP environment for rapid development and efficient operation. It has a powerful MVC layered design architecture, easy-to-use ORM mapping tools and flexible routing functions. Among them, the routing function is an important part of the ThinkPHP framework. This article will introduce how to change routing so that the ThinkPHP framework can better meet our needs.

1. Understanding ThinkPHP routing

Before starting to introduce how to change routing, you first need to understand the concept of ThinkPHP routing.

Routing refers to the URL address in Web development. It is the bridge between the Web program and the user. The function of routing is to match the URL address with a specific method or controller class in the program to achieve page access and rendering. In the ThinkPHP framework, the routing configuration file is located in the route.php file in the application directory. Routing rules can be defined in route.php to convert URL addresses into corresponding controller classes and methods, thereby achieving pseudo-static URLs and SEO optimization.

2. Change ThinkPHP routing rules

By default, ThinkPHP routing rules are defined in route.php as:

use think\Route;

Route::rule('hello/:name', 'index/hello');

This rule changes the URL address The request for /hello/:name is forwarded to the hello method of the index controller.

We can change the default routing rules to meet our development needs. For example, we need to forward an API request to a specific controller. Then you can make the following definition in route.php:

use think\Route;

Route::rule('api/:version/:controller/:action', 'api/:version.:controller/:action');

Through the above definition, we can automatically route all requests in the form /api/v1/User/login to api/v1/User.php in the login method.

3. Manually change ThinkPHP routing rules

In addition to manually defining routing rules in route.php, we can also manually modify routing rules through code. For example, when we need to use different routing rules in different environments, we need to manually change the routing through tool methods.

The steps to manually change routing rules are as follows:

• Introduce the route class in the controller class
• Use the route method of the route class to define routing rules, define a new Routing rules
• Call the group method of the route class to register routes in batches or the rule method of a single registration to realize the registration of routes
• After the routing rules are defined, pass them to the controller Parameter

Examples are as follows:

use think\Route;

class TestController extends Controller
{
    // 定义路由规则
    public function index(){
        // 定义路由规则
        Route::rule('hello/:name', 'TestController/hello');
        // 注册路由规则
        Route::rule('test/index', 'TestController/index');
        // 获取参数
        $name = $this->request->param('name');
        $age = input('age');
        // 进行业务逻辑处理
        return 'hello' . $name . '，你的年龄是' . $age;
    }

    // 控制器方法
    public function hello($name = 'ThinkPHP')
    {
        return 'Hello,' . $name . '!';
    }
}

In the above example, we use the rule method of the Route class in the controller class to define routing rules, and use the group method to register routes in batches rule. When the client requests /hello/ThinkPHP, it will automatically be routed to the hello method of the TestController class, pass the name parameter to the method, and return the "Hello, ThinkPHP!" string.

4. Summary

In this article, we introduced how to change ThinkPHP routing rules, including manual definition through the route.php file, and manual modification of routes using the route tool method rule. Changes to routing rules can help us achieve pseudo-static URLs and URL optimization to better meet development needs.

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