Menggunakan PHP untuk membangunkan sistem perancangan sumber perusahaan (ERP) yang melaksanakan fungsi pengurusan prestasi

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;

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;

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;

<?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>

<?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>

<?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>