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How thinkphp binds modules

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May 29, 2023 pm 02:26 PM

With the continuous development of Internet technology, more and more websites and applications adopt the MVC pattern as a design framework. Among them, the PHP framework represented by ThinkPHP is a more popular one of the MVC patterns. In the ThinkPHP framework, modules are a very important concept. Modules can be used to divide applications into different functional modules for easy management and maintenance. But beginners may encounter a problem, that is, how to bind modules. Below we will introduce in detail how ThinkPHP binds modules.

1. Create a module

Before we start binding modules, we first create a module. Taking creating a module named Blog as an example, we need to create a directory named Blog in the application directory of the ThinkPHP framework, and then create a controller named Index and a controller named index.html in the Blog directory. Template file. The specific operations are as follows:

Open the ThinkPHP application directory, which is usually a directory named Application under the www directory.
Create a directory named Blog in the application directory. The directory name must be the same as the module name.
Create a controller file named Index in the Blog directory. The controller file name must be the same as the controller class name (in this example, the controller class name is IndexController and the file name is IndexController.class .php).
Add a method named index in the Index controller file to handle web page requests.
Create a template file named index.html in the Blog directory to display web page content.

Code example:

Controller file IndexController.class.php:

<?php
namespace BlogController;
use ThinkController;

class IndexController extends Controller {
    public function index(){
        $this->display();
    }
}

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Template file index.html:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Blog</title>
</head>
<body>
    <h1>Welcome to my blog!</h1>
</body>
</html>

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2. Binding Defining the module

After creating the Blog module, we need to bind it to the application to let the system know which module should be accessed. The specific operations are as follows:

Open the application The configuration file config.php in the directory.
Find the configuration item DEFAULT_MODULE and modify its value to Blog.
Save the modified configuration file.

Code example:

config.php file:

<?php
return array(
    'DEFAULT_MODULE'     => 'Blog', // 默认模块名
    ...
);

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After modifying the configuration file, you can access the Blog module through the following URL:

http://yourdomain/Blog

3. Binding sub-modules

Sometimes, we need to split a module into multiple sub-modules. For example, in the Blog module, we can divide articles into The list and article details pages are created as different sub-modules. The specific operations are as follows:

Create a directory named Article under the Blog directory.
Create a controller named Index and a template file named list.html in the Article directory to display the article list.
Create a controller named Details and a template file named index.html in the Article directory to display the article details page.

Controller file Article/IndexController.class.php:

<?php
namespace BlogControllerArticle;
use ThinkController;

class IndexController extends Controller {
    public function index(){
        $this->display();
    }
}

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Controller file Article/DetailsController.class.php:

<?php
namespace BlogControllerArticle;
use ThinkController;

class DetailsController extends Controller {
    public function index(){
        $this->display();
    }
}

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Template file Article/list .html：

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Article List</title>
</head>
<body>
    <h1>Article List</h1>
</body>
</html>

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Template fileArticle/index.html：

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Article Details</title>
</head>
<body>
    <h1>Article Details</h1>
</body>
</html>

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Open the configuration file config.php in the application directory.
Find the configuration item URL_CASE_INSENSITIVE and modify its value to true to make the URL case-insensitive.
Find the configuration item MODULE_ALLOW_LIST and modify its value to Blog, Blog/Article to allow access to the Blog and Blog/Article modules.
Save the modified configuration file.

Code example:

config.php file:

<?php
return array(
    'DEFAULT_MODULE'     => 'Blog', // 默认模块名
    'URL_CASE_INSENSITIVE'  => true, // URL不区分大小写
    'MODULE_ALLOW_LIST' => array('Blog','Blog/Article'), // 允许访问的模块
    ...
);

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After modifying the configuration file, you can access the Article submodule through the following URL:

http://yourdomain/Blog/Article/index

http://yourdomain/Blog/Article/details

What you need to pay attention to when binding submodules is that the controller and template files It must be stored in a grouping manner, and the grouping prefix needs to be added to the controller class name. For example, in this example, the namespace of the controller class is BlogControllerArticle. At the same time, the configuration file needs to limit the modules that are allowed access to parent modules and child modules.

4. Summary

The binding module is a very important link in the ThinkPHP MVC model. Through the binding module, the application can be split into multiple functional modules, and the code logic and The layout is separated for easy management and maintenance. This article provides a detailed introduction to how ThinkPHP binds modules, from creating modules, binding modules to binding sub-modules. I hope it will be helpful to beginners.

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