Using PHP to develop an enterprise resource planning (ERP) system that implements performance management functions

Use PHP to develop an enterprise resource planning (ERP) system that implements performance management functions

Performance management is a very important link in modern enterprise management. It involves employee performance evaluation, salary adjustment, promotion and other important matter. Traditional performance management often relies on tedious manual operations and is prone to problems such as inaccurate data and complex processes. In order to improve the efficiency and accuracy of performance management, many companies use enterprise resource planning (ERP) systems for performance management. This article will introduce how to use PHP to develop a simple ERP system to implement performance management functions.

1. Data model design

Before developing the ERP system, we need to design a reasonable data model. Performance management mainly involves employees, performance evaluation, salary and other related data, so we need to design core tables such as employee information table, performance evaluation table, salary adjustment table and so on.

The following is a code example for the employee information form:

CREATE TABLE `employee` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL,
  `department` varchar(255) NOT NULL,
  `position` varchar(255) NOT NULL,
  `salary` decimal(10,2) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

The following is a code example for the performance evaluation form:

CREATE TABLE `performance` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `employee_id` int(11) NOT NULL,
  `year` int(4) NOT NULL,
  `quarter` int(1) NOT NULL,
  `score` decimal(4,2) NOT NULL,
  `comments` text,
  PRIMARY KEY (`id`),
  FOREIGN KEY (`employee_id`) REFERENCES `employee` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

The following is a code example for the salary adjustment form:

CREATE TABLE `salary_adjustment` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `employee_id` int(11) NOT NULL,
  `year` int(4) NOT NULL,
  `month` int(2) NOT NULL,
  `old_salary` decimal(10,2) NOT NULL,
  `new_salary` decimal(10,2) NOT NULL,
  PRIMARY KEY (`id`),
  FOREIGN KEY (`employee_id`) REFERENCES `employee` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

2. Develop performance management functions

1. Add employee information

First, in the ERP system, we need to implement the function of adding employee information. This function allows administrators to enter basic employee information, including name, department, position, salary, etc. We can achieve this functionality through a simple form.

The following is a code example for adding employee information:

<?php
if($_POST) {
  $name = $_POST['name'];
  $department = $_POST['department'];
  $position = $_POST['position'];
  $salary = $_POST['salary'];
  
  $sql = "INSERT INTO `employee` (`name`, `department`, `position`, `salary`)
          VALUES ('$name', '$department', '$position', '$salary')";
  // 执行SQL语句，将员工信息插入数据库
  // ...
}
?>

<form method="post">
  <label for="name">姓名：</label>
  <input type="text" name="name" id="name" required>
  <br>
  
  <label for="department">部门：</label>
  <input type="text" name="department" id="department" required>
  <br>
  
  <label for="position">职位：</label>
  <input type="text" name="position" id="position" required>
  <br>
  
  <label for="salary">薪资：</label>
  <input type="number" name="salary" id="salary" step="0.01" required>
  <br>
  
  <input type="submit" value="提交">
</form>

2. Performance evaluation

Performance evaluation is one of the core aspects of performance management. The results of employee performance evaluation will affect their salary adjustment, promotion, etc. In the ERP system, we can implement the performance evaluation function through a simple form.

The following is a code example for performance evaluation:

<?php
if($_POST) {
  $employee_id = $_POST['employee_id'];
  $year = $_POST['year'];
  $quarter = $_POST['quarter'];
  $score = $_POST['score'];
  $comments = $_POST['comments'];
  
  $sql = "INSERT INTO `performance` (`employee_id`, `year`, `quarter`, `score`, `comments`)
          VALUES ('$employee_id', '$year', '$quarter', '$score', '$comments')";
  // 执行SQL语句，将绩效评估结果插入数据库
  // ...
}
?>

<form method="post">
  <label for="employee_id">员工ID：</label>
  <input type="number" name="employee_id" id="employee_id" required>
  <br>
  
  <label for="year">年份：</label>
  <input type="number" name="year" id="year" required>
  <br>
  
  <label for="quarter">季度：</label>
  <input type="number" name="quarter" id="quarter" required>
  <br>
  
  <label for="score">绩效评分：</label>
  <input type="number" name="score" id="score" step="0.01" required>
  <br>
  
  <label for="comments">评语：</label>
  <textarea name="comments" id="comments" required></textarea>
  <br>
  
  <input type="submit" value="提交">
</form>

3. Salary adjustment

After the performance evaluation results are determined, based on the employee’s performance evaluation score, we can Make salary adjustments. In the ERP system, we can implement the salary adjustment function through a simple form.

The following is a code example for salary adjustment:

<?php
if($_POST) {
  $employee_id = $_POST['employee_id'];
  $year = $_POST['year'];
  $month = $_POST['month'];
  $new_salary = $_POST['new_salary'];
  
  $sql = "SELECT `salary` FROM `employee` WHERE `id` = $employee_id";
  // 执行SQL语句，查询员工当前薪资
  // ...
  
  $old_salary = 1000; // 假设查询结果为1000
  
  $sql = "INSERT INTO `salary_adjustment` (`employee_id`, `year`, `month`, `old_salary`, `new_salary`)
          VALUES ('$employee_id', '$year', '$month', '$old_salary', '$new_salary')";
  // 执行SQL语句，将薪资调整记录插入数据库
  // ...
}
?>

<form method="post">
  <label for="employee_id">员工ID：</label>
  <input type="number" name="employee_id" id="employee_id" required>
  <br>
  
  <label for="year">年份：</label>
  <input type="number" name="year" id="year" required>
  <br>
  
  <label for="month">月份：</label>
  <input type="number" name="month" id="month" required>
  <br>
  
  <label for="new_salary">新薪资：</label>
  <input type="number" name="new_salary" id="new_salary" step="0.01" required>
  <br>
  
  <input type="submit" value="提交">
</form>

3. Summary

Through the above example code, we can see that using PHP to develop enterprise resources that implement performance management functions Planning (ERP) systems are not complex. By properly designing the data model and developing corresponding functions, we can improve the efficiency and accuracy of performance management and optimize the enterprise's management process.

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