How to use ThinkPHP framework in PHP programming?
As a widely used server-side programming language, PHP has been widely used in the field of Internet development and has been recognized by many developers. In the field of PHP development, using frameworks has become a very popular way. As a high-performance, highly scalable PHP development framework, ThinkPHP has a good reputation among PHP frameworks. In this article, we will take a deep dive into how to use the ThinkPHP framework in PHP programming.
1. Create a ThinkPHP project
First, we need to install the PHP environment in the local server. Here we recommend using XAMPP as our local PHP environment. After the download and installation is completed, we create a new project folder in the root directory of the website and extract the ThinkPHP framework into this folder.
Next, we enter the project folder, find the index.php file in the public directory and open it. Around line 9 we can find the following code:
//定义应用目录
define('APP_PATH', __DIR__ . '/../application/');By modifying this line of code, we can specify the application directory as the current directory:
//定义应用目录
define('APP_PATH', __DIR__ . '/');After saving the file, we open the browser, Enter http://localhost/ThinkPHP/ and you can see the welcome interface of ThinkPHP!
2. Basic Application
Next, we will learn how to create a basic application in ThinkPHP. In the application directory, we create a module named Index, which can be easily implemented through the CLI tool provided by the framework. The command is as follows:
php think build --module Index
Next, create a controller named Index under the Index module, And some basic methods:
namespace appindexcontroller; //命名空间
class Index //类名
{
public function index() //默认访问方法
{
return 'Hello ThinkPHP';
}
public function hello($name = 'ThinkPHP') //传递参数
{
return 'Hello ' . $name;
}
}Next, we need to configure this controller and methods in routing. In the application's route directory, we can achieve this through the following code:
use thinkRoute;
Route::get('/', 'index/Index/index');
Route::get('/hello/:name', 'index/Index/hello');Among them, the first line of code specifies the default access path, and the second line of code specifies a method for passing parameters.
Finally, enter http://localhost/ in the browser, and we can see the page we just created.
3. Template output
In ThinkPHP, we can use template output to build HTML pages. In this article, we will use ThinkPHP’s built-in template engine for demonstration.
First, create a new directory named view under the Index module, and create a file named index.html in this directory. In the file, we can use the syntax provided by the framework to complete the construction of the HTML page. The code is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{site_title}</title>
</head>
<body>
<h1>{title}</h1>
<p>{content}</p>
</body>
</html>In the controller, we bind data to the template through the following code:
public function template()
{
$data = [
'title' => 'ThinkPHP',
'content' => 'Welcome to ThinkPHP',
'site_title' => 'ThinkPHP Application'
];
return $this->fetch('index', $data);
}In the code, the fetch method outputs the template to the browser and binds the incoming data to the fields in the template file.
Finally, add the following code to the routing rules:
Route::get('/template', 'index/Index/template');Enter http://localhost/template in the browser, and we can see the page output using the template!
4. Database Operation
In practical applications, we often need to operate the database to store and obtain data. In ThinkPHP, we can easily complete these operations. Let's demonstrate how to use ThinkPHP to add, delete, modify and query the database.
First, we need to configure the database connection information in the application. In the config directory, we can find the database.php file and edit it. The following is a simple example for connecting to a database named test and logging in as the root user:
return [
// 数据库类型
'type' => 'mysql',
// 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' => '',
// 数据库编码默认采用utf8
'charset' => 'utf8',
];After the database configuration is completed, we can add operations to the database in the controller . Taking the query operation as an example, we can use the following code to implement it:
use thinkDb;
class Index
{
public function select()
{
//查询操作
$result = Db::table('think_user')->where('status', '1')->select();
var_dump($result);
}
}In the code, the Db class provides us with a simple and convenient way to perform operations such as addition, deletion, modification, and query. Here, we call the select method and set the query condition to status=1.
Finally, we need to add the following code to the routing rules to achieve access:
Route::get('/select', 'index/Index/select');Enter http://localhost/select in the browser, and we can see the query results!
Summary
This article explores in depth how to use the ThinkPHP framework in PHP programming, including knowledge points in creating projects, basic applications, template output, and database operations. I believe that through studying this article, you will have a deeper understanding of the ThinkPHP framework, and you can also use the framework more conveniently in PHP development.
The above is the detailed content of How to use ThinkPHP framework in PHP programming?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1386
52
PHP format rows to CSV and write file pointer
Mar 22, 2024 am 09:00 AM
This article will explain in detail how PHP formats rows into CSV and writes file pointers. I think it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. Format rows to CSV and write to file pointer Step 1: Open file pointer $file=fopen("path/to/file.csv","w"); Step 2: Convert rows to CSV string using fputcsv( ) function converts rows to CSV strings. The function accepts the following parameters: $file: file pointer $fields: CSV fields as an array $delimiter: field delimiter (optional) $enclosure: field quotes (
PHP changes current umask
Mar 22, 2024 am 08:41 AM
This article will explain in detail about changing the current umask in PHP. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. Overview of PHP changing current umask umask is a php function used to set the default file permissions for newly created files and directories. It accepts one argument, which is an octal number representing the permission to block. For example, to prevent write permission on newly created files, you would use 002. Methods of changing umask There are two ways to change the current umask in PHP: Using the umask() function: The umask() function directly changes the current umask. Its syntax is: intumas
PHP creates a file with a unique file name
Mar 21, 2024 am 11:22 AM
This article will explain in detail how to create a file with a unique file name in PHP. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. Creating files with unique file names in PHP Introduction Creating files with unique file names in PHP is essential for organizing and managing your file system. Unique file names ensure that existing files are not overwritten and make it easier to find and retrieve specific files. This guide will cover several ways to generate unique filenames in PHP. Method 1: Use the uniqid() function The uniqid() function generates a unique string based on the current time and microseconds. This string can be used as the basis for the file name.
PHP calculates MD5 hash of file
Mar 21, 2024 pm 01:42 PM
This article will explain in detail about PHP calculating the MD5 hash of files. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. PHP calculates the MD5 hash of a file MD5 (MessageDigest5) is a one-way encryption algorithm that converts messages of arbitrary length into a fixed-length 128-bit hash value. It is widely used to ensure file integrity, verify data authenticity and create digital signatures. Calculating the MD5 hash of a file in PHP PHP provides multiple methods to calculate the MD5 hash of a file: Use the md5_file() function. The md5_file() function directly calculates the MD5 hash value of the file and returns a 32-character
PHP returns an array with key values flipped
Mar 21, 2024 pm 02:10 PM
This article will explain in detail how PHP returns an array after key value flipping. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. PHP Key Value Flip Array Key value flip is an operation on an array that swaps the keys and values in the array to generate a new array with the original key as the value and the original value as the key. Implementation method In PHP, you can perform key-value flipping of an array through the following methods: array_flip() function: The array_flip() function is specially used for key-value flipping operations. It receives an array as argument and returns a new array with the keys and values swapped. $original_array=[
PHP truncate file to given length
Mar 21, 2024 am 11:42 AM
This article will explain in detail how PHP truncates files to a given length. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. Introduction to PHP file truncation The file_put_contents() function in PHP can be used to truncate files to a specified length. Truncation means removing part of the end of a file, thereby shortening the file length. Syntax file_put_contents($filename,$data,SEEK_SET,$offset);$filename: the file path to be truncated. $data: Empty string to be written to the file. SEEK_SET: designated as the beginning of the file
PHP determines whether a specified key exists in an array
Mar 21, 2024 pm 09:21 PM
This article will explain in detail how PHP determines whether a specified key exists in an array. The editor thinks it is very practical, so I share it with you as a reference. I hope you can gain something after reading this article. PHP determines whether a specified key exists in an array: In PHP, there are many ways to determine whether a specified key exists in an array: 1. Use the isset() function: isset($array["key"]) This function returns a Boolean value, true if the specified key exists, false otherwise. 2. Use array_key_exists() function: array_key_exists("key",$arr
PHP returns the numeric encoding of the error message in the previous MySQL operation
Mar 22, 2024 pm 12:31 PM
This article will explain in detail the numerical encoding of the error message returned by PHP in the previous Mysql operation. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. . Using PHP to return MySQL error information Numeric Encoding Introduction When processing mysql queries, you may encounter errors. In order to handle these errors effectively, it is crucial to understand the numerical encoding of error messages. This article will guide you to use php to obtain the numerical encoding of Mysql error messages. Method of obtaining the numerical encoding of error information 1. mysqli_errno() The mysqli_errno() function returns the most recent error number of the current MySQL connection. The syntax is as follows: $erro
