How to use PHP and Vue to develop an online employee attendance data export interface

$ npm install -g @vue/cli
$ vue create attendance-export

<template>
  <div>
    <!-- 考勤记录列表 -->
    <table>
      <thead>
        <tr>
          <th>姓名</th>
          <th>日期</th>
          <th>签到时间</th>
          <th>签退时间</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="record in attendanceList" :key="record.id">
          <td>{{ record.name }}</td>
          <td>{{ record.date }}</td>
          <td>{{ record.startTime }}</td>
          <td>{{ record.endTime }}</td>
        </tr>
      </tbody>
    </table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      attendanceList: [] // 考勤记录列表数据
    }
  },
  mounted() {
    this.getAttendanceList(); // 页面加载时获取考勤记录列表
  },
  methods: {
    getAttendanceList() {
      // 使用Vue的axios插件发送请求获取考勤记录数据
      axios.get('/api/attendance')
        .then(response => {
          this.attendanceList = response.data;
        })
        .catch(error => {
          console.error(error);
        });
    }
  }
}
</script>

<style>
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  padding: 8px;
  border-bottom: 1px solid #ddd;
}
</style>

<template>
  <div>
    <!-- 日期选择器 -->
    <input type="date" v-model="selectedDate" @input="filterByDate" />
  </div>
</template>

<script>
export default {
  data() {
    return {
      selectedDate: null // 选择的日期
    }
  },
  methods: {
    filterByDate() {
      // 使用Vue的$emit方法触发自定义事件，将选择的日期传递给父组件
      this.$emit('filter', this.selectedDate);
    }
  }
}
</script>

<template>
  <div>
    <button @click="exportAll">导出全部</button>
    <button @click="exportFiltered">按条件导出</button>
  </div>
</template>

<script>
export default {
  methods: {
    exportAll() {
      // 发送导出全部考勤记录的请求
      axios.get('/api/export?type=csv')
        .then(response => {
          this.downloadFile(response.data, 'attendance.csv');
        })
        .catch(error => {
          console.error(error);
        });
    },
    exportFiltered() {
      // 发送按条件导出考勤记录的请求
      axios.get('/api/export?type=excel&date=' + this.selectedDate)
        .then(response => {
          this.downloadFile(response.data, 'attendance.xlsx');
        })
        .catch(error => {
          console.error(error);
        });
    },
    downloadFile(fileContent, fileName) {
      // 创建一个临时链接并下载文件
      const blob = new Blob([fileContent]);
      const url = URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = fileName;
      link.click();
    }
  }
}
</script>

CREATE TABLE attendance (
  id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
  name VARCHAR(50) NOT NULL,
  date DATE NOT NULL,
  startTime TIME NOT NULL,
  endTime TIME NOT NULL
);

<?php
// 连接MySQL数据库
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "attendance";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}

// 查询考勤记录数据
function getAttendanceList($date = null) {
  global $conn;
  $sql = "SELECT * FROM attendance";
  if ($date) {
    $sql .= " WHERE date = '".$date."'";
  }
  $result = $conn->query($sql);
  $attendanceList = array();
  if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
      $attendanceList[] = $row;
    }
  }
  return $attendanceList;
}

// 导出考勤记录为Excel文件
function exportToExcel($attendanceList) {
  // 使用PHPExcel库生成Excel文件
  require_once 'PHPExcel.php';
  $objPHPExcel = new PHPExcel();
  $objPHPExcel->getActiveSheet()->fromArray($attendanceList, null, 'A1');
  $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
  ob_start();
  $objWriter->save('php://output');
  $content = ob_get_clean();
  return $content;
}

// 导出考勤记录为CSV文件
function exportToCSV($attendanceList) {
  $content = "姓名,日期,签到时间,签退时间
";
  foreach ($attendanceList as $record) {
    $content .= $record['name'].','.$record['date'].','.$record['startTime'].','.$record['endTime']."
";
  }
  return $content;
}

// 根据请求参数调用不同的导出方法
if ($_GET['type'] == 'csv') {
  $attendanceList = getAttendanceList();
  $content = exportToCSV($attendanceList);
  header("Content-Disposition: attachment; filename=attendance.csv");
  header("Content-Type: text/csv");
  echo $content;
} else if ($_GET['type'] == 'excel') {
  $date = $_GET['date'];
  $attendanceList = getAttendanceList($date);
  $content = exportToExcel($attendanceList);
  header("Content-Disposition: attachment; filename=attendance.xlsx");
  header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
  echo $content;
} else {
  header("HTTP/1.1 400 Bad Request");
}
?>

$ php -S localhost:8000

$ cd attendance-export
$ npm run serve