How to build an employee attendance management system using PHP and Vue

How to use PHP and Vue to build an employee attendance management system

Introduction:
With the development of enterprises and the increasing importance of human resources management, employee attendance Management has become the focus of every enterprise. Using PHP and Vue to build an employee attendance management system can help companies improve the efficiency and accuracy of attendance management. This article will introduce how to use PHP and Vue to build a simple employee attendance management system, and provide code examples.

1. Preparation

1. Installing PHP and MySQL
   The employee attendance management system requires PHP as the back-end language and MySQL as the database. First, you need to install PHP and MySQL environments. You can download the installation package by visiting the official website and follow the instructions to install it.
2. Configure the server environment
   Configure the server environment to ensure that PHP and MySQL can run normally. You can use tools such as XAMPP, WAMP or MAMP to build a local development environment.
3. Install Vue.js
   The front-end part of the employee attendance management system uses Vue.js to achieve dynamic interactive effects. Vue.js can be installed by introducing a CDN link or using the npm command.

2. Database design

1. Create database
   Use MySQL commands or tools such as phpMyAdmin to create a database named "attendance_management".
2. Design data table
   Create two data tables in the "attendance_management" database: "users" and "attendance_records". The "users" data table is used to store employees' basic information, and the "attendance_records" data table is used to store employees' attendance records.
3. users data table structure example:
   CREATE TABLE IF NOT EXISTS users (
   id int(11) NOT NULL AUTO_INCREMENT,
   name varchar(100) NOT NULL,
   position varchar(100) NOT NULL,
   phone varchar(20) NOT NULL,
   PRIMARY KEY (id)
   ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
4. attendance_recordsData table structure example:
   CREATE TABLE IF NOT EXISTS attendance_records (
   id int(11) NOT NULL AUTO_INCREMENT,
   user_id int(11) NOT NULL,
   date date NOT NULL,
   status enum('Present','Absent') NOT NULL,
   PRIMARY KEY (id),
   FOREIGN KEY ( user_id) REFERENCES users(id)
   ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

3. Backend Implementation

1. Create PHP file
   Create a PHP file named "api.php" on the server. This file will be responsible for handling requests from the front end and interacting with the database.
2. Implement the API interface
   Write the corresponding API interface in the "api.php" file for the functions of obtaining, adding, updating and deleting employee information and attendance records. The following is an example of an API interface to obtain all employee information:

header("Content-Type: application/json");
// Connect to the database
$conn = new mysqli("localhost", "root", "", "attendance_management");
// Query all employee information
$result = $conn->query("SELECT * FROM users ");
// Convert query results into associative array
$users = array();
while($row = $result->fetch_assoc()) {
$users[] = $row;
}
// Convert the result to JSON format and output
echo json_encode($users);
?>

3. Other API interfaces are available Implement it in a similar way, and perform addition, deletion, modification and query operations according to specific needs.

4. Front-end implementation

1. Create Vue.js file
   Create a Vue.js file named "main.js" in the project. This file It is the entrance to the entire front-end code.
2. Realize the display and addition of employee information
   Write the Vue component in the "main.js" file to display the employee list and add employees. Here is an example component that displays a list of employees:

<script><br> export default {<br> data() {</script>

 return {
   users: []
 }

} ,
mounted() {

 // 发起API请求获取员工信息
 fetch('api.php')
   .then(response => response.json())
   .then(data => {
     this.users = data;
   });

}
}

3. The implementation of other functions can be carried out in a similar way, such as adding Employees, update employee information, display attendance records, etc.

Summary:
This article introduces how to use PHP and Vue to build an employee attendance management system. By creating a suitable database structure, writing back-end API interfaces and front-end Vue components, the addition, deletion, modification, and check of employee information and the management of attendance records can be realized. I hope this article can be helpful to everyone in building an employee attendance management system.

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