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How does php use the ThinkPHP8 framework?

WBOYOriginal: 2023-06-02 08:12:054954browse

With the rapid development and continuous changes of Internet technology, people have higher and higher requirements for websites. Therefore, various excellent frameworks continue to emerge. Among them, as one of the efficient, flexible and easy-to-use PHP frameworks, ThinkPHP8 has been favored and paid attention to by more and more developers. Let's take a closer look at how PHP uses the ThinkPHP8 framework.

Environment preparation

Before you start using ThinkPHP8, you need to prepare the environment. First, you need to set up a local server environment, such as using software such as XAMPP or WAMP. Secondly, you need to install PHP7.1 or above, MySQL database, Composer package management tool and Git version control tool. Finally, you need to download and install the ThinkPHP8 framework.

Installing ThinkPHP8

First, you need to download the ThinkPHP8 framework locally. From the command line, use Git commands to clone ThinkPHP8 into a local directory. The command is as follows:

git clone https://github.com/top-think/think.git

After the download is completed, use Composer to install it. In the command line, enter the root directory of ThinkPHP8 and execute the command:

composer install

In this way, Composer will automatically download and install all the dependency packages and library files required by ThinkPHP8.

After the installation is completed, go to the public directory of the ThinkPHP8 framework and access the index.php file through the browser. If it can be opened normally, the environment has been configured successfully.

Create Application

Before you start using ThinkPHP8, you need to create a new application. In the command line, enter the root directory of ThinkPHP8 and execute the following command:

php think build {app_name}

Among them, {app_name} is the name of the application you want to create, and you can name it according to actual needs.

After executing this command, a new application folder will be generated in the root directory of ThinkPHP8, which contains the initialized application code.

Configuring the database

In the application folder, find the database.php file in the config directory, open and edit the file, and modify the database configuration information in it for your own database information. For example:

return [
    // 数据库类型
    'type'        => 'mysql',
    // 数据库连接DSN配置
    'dsn'         => '',
    // 服务器地址
    'hostname'    => 'localhost',
    // 数据库名
    'database'    => 'test',
    // 数据库用户名
    'username'    => 'root',
    // 数据库密码
    'password'    => '',
    // 数据库连接端口
    'hostport'    => '',
    // 数据库连接参数
    'params'      => [],
    // 数据库编码默认采用utf8
    'charset'     => 'utf8',
    // 数据库表前缀
    'prefix'      => 'think_',
    // 数据库调试模式
    'debug'       => true,
    // 数据库部署方式:0 集中式(单一服务器),1 分布式(主从服务器)
    'deploy'      => 0,
    // 数据库读写是否分离 主从式有效
    'rw_separate' => false,
    // 读写分离后 主服务器数量
    'master_num'  => 1,
    // 指定从服务器序号
    'slave_no'    => '',
];

Create controllers and views

In ThinkPHP8, website functions and page display are implemented through controllers and views. We need to create a controller first, and then create the corresponding view file.

In the application folder, find the Index.php file in the controller directory, open and edit the file, and add the following code in it:

namespace appcontroller;

class Index
{
    public function index()
    {
        return view('index');
    }
}

In this code, the Index class is The name of the controller, index() is the method name of the controller, which is used to display the view file index.html. This controller is automatically called when a user visits the root directory of the website.

Next, in the application folder, find the view directory and create a view file named index.html. In this file, you can write the page HTML code, for example:

<!DOCTYPE html>
<html>
<head>
    <title>Welcome to ThinkPHP8!</title>
</head>
<body>
    <h1>Hello, ThinkPHP8!</h1>
</body>
</html>

Routing configuration

In ThinkPHP8, routing refers to mapping the request URL address to a specific control instruments and methods. The routing function is enabled by default in ThinkPHP8. In the application folder, find the route.php file in the route directory, open and edit the file, you can add your own routing rules, for example:

use thinkacadeRoute;

Route::get('/', 'index/index');

In the above code, the get() method is used Specify the request method as GET, where the first parameter '/' represents the URL address of the request, and the second parameter 'index/index' represents the controller and method corresponding to the request.

Run the project

After all the above steps are completed, you can execute the following command in the command line to start the project:

php think run

In this way, you can Access the website through localhost in the browser.

Summary:

Through the above steps, we have learned the basic process of how PHP uses the ThinkPHP8 framework for website development. Of course, this is just entry-level content. If you want to understand the advanced usage of the ThinkPHP8 framework in depth, more learning and practice are required. I hope this article can provide reference and help to PHP developers.

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