Application of employee performance appraisal module developed using PHP in enterprise resource planning (ERP) system

Application of employee performance appraisal module developed using PHP in enterprise resource planning (ERP) system

Introduction:
Enterprise resource planning (ERP) system is an indispensable part of modern enterprise management . Among them, the employee performance appraisal module plays a vital role in the enterprise, which can help the enterprise evaluate the work performance of employees and carry out performance incentives and reasonable personnel deployment accordingly. In this article, we will introduce how to use PHP to develop an employee performance appraisal module and apply it to an enterprise resource planning system.

1. Demand analysis of the performance appraisal module
The employee performance appraisal module mainly includes the following functions:

1. New performance appraisal form: The administrator can create a new performance appraisal form, Set evaluation cycles and evaluation indicators.
2. Employee self-evaluation: Employees can conduct self-evaluation within the specified time according to the set evaluation indicators and fill in the self-evaluation score.
3. Evaluation by direct supervisor: The direct supervisor evaluates employees based on the evaluation indicators and the actual work situation of the employees, and fills in the evaluation scores.
4. Performance appraisal results statistics: The system can calculate employees' performance appraisal results based on self-evaluation and ratings assessed by their direct supervisors, and perform statistical analysis.
5. Performance bonus calculation: Calculate the performance bonus that employees should receive based on the performance appraisal results.

2. Use PHP to develop employee performance appraisal module

1. Database design
   First, we need to design a database to store data related to employee performance appraisal. We assume that our database is named erp and contains the following tables:
2. employees table: stores employee information, including employee number, name, position and other fields.
3. Performance_evaluation table: stores the information of the performance appraisal form, including the number of the performance appraisal form, evaluation period, evaluation indicators and other fields.
4. self_evaluation table: stores employee self-evaluation information, including employee number, performance appraisal form number, self-evaluation score and other fields.
5. Supervisor_evaluation table: stores the information evaluated by the immediate supervisor, including employee number, performance appraisal form number, evaluation score and other fields.
6. Performance_result table: stores information about performance appraisal results, including employee number, performance appraisal form number, performance bonus and other fields.
   According to requirements, we can use MySQL database to implement the design of the above table.

7. Create performance appraisal table
   In PHP, we can use SQL statements to create performance appraisal tables, for example:

   CREATE TABLE performance_evaluation (
     id INT PRIMARY KEY AUTO_INCREMENT,
     start_date DATE NOT NULL,
     end_date DATE NOT NULL,
     criteria TEXT NOT NULL
   );

   This SQL statement creates a performance_evaluation table. The table includes four fields: id, start_date, end_date and criteria.

8. Employee self-evaluation
   Employees can conduct self-evaluation through a form and submit the rating data to the server, and the server writes the data into the self_evaluation table. The following is a simple self-evaluation form example:

   <form action="submit_self_evaluation.php" method="post">
     <label for="employee_id">员工编号：</label>
     <input type="text" id="employee_id" name="employee_id" required>
     
     <label for="evaluation_id">绩效考核表编号：</label>
     <input type="text" id="evaluation_id" name="evaluation_id" required>
     
     <!-- 填写其他评分指标 -->
     
     <input type="submit" value="提交自评">
   </form>

   In the submit_self_evaluation.php script, we can get the data submitted by the form and write it into the database:

   <?php
   $employee_id = $_POST['employee_id'];
   $evaluation_id = $_POST['evaluation_id'];
   
   // 获取其他评分指标的值
   
   // 将数据插入self_evaluation表中
   
   echo "自评分数提交成功！";
   ?>

   Through this In this way, we have implemented the self-evaluation function of employees.

9. Direct supervisor evaluation
   Similar to employee self-evaluation, the supervisor can also perform evaluation through a form and submit the rating data to the server, and the server writes the data into the supervisor_evaluation table. The implementation of the form example and processing code is similar to the above and will not be repeated here.

10. Performance Appraisal Result Statistics and Performance Bonus Calculation
    Using PHP and SQL statements, we can calculate the employee's performance appraisal results based on the rating data of self-assessment and direct supervisor assessment, and combine the results Write to the performance_result table. The following is a simple statistics and calculation example:

    <?php
    $employee_id = $_POST['employee_id'];
    $evaluation_id = $_POST['evaluation_id'];
    
    // 获取员工的自评分数
    $query = "SELECT self_evaluation_score FROM self_evaluation WHERE employee_id = $employee_id AND evaluation_id = $evaluation_id";
    $result = $mysqli->query($query);
    $self_evaluation_score = $result->fetch_assoc()['self_evaluation_score'];
    
    // 获取员工的直属上司评定分数
    $query = "SELECT supervisor_evaluation_score FROM supervisor_evaluation WHERE employee_id = $employee_id AND evaluation_id = $evaluation_id";
    $result = $mysqli->query($query);
    $supervisor_evaluation_score = $result->fetch_assoc()['supervisor_evaluation_score'];
    
    // 根据评分计算绩效奖金
    $performance_bonus = $self_evaluation_score * 0.3 + $supervisor_evaluation_score * 0.7;
    
    // 将绩效奖金写入performance_result表中
    
    echo "绩效奖金计算完成！";
    ?>

    In this way, we realize the statistics of performance appraisal results and the calculation of performance bonuses.

Conclusion:
The application of employee performance appraisal module in enterprise resource planning system is very important. This article mainly introduces how to use PHP to develop an employee performance appraisal module and apply it to the enterprise resource planning system. Through learning and practice, we can better understand and use PHP to develop the relevant knowledge of employee performance appraisal modules. I hope this article will be helpful to everyone and can play a certain guiding role in actual development.

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