PHP로 WeChat 애플릿 개발: 데이터 분석을 구현하는 방법은 무엇입니까?

wx.request({
  url: 'http://example.com/track.php',
  data: {
    page: 'homepage',
    action: 'visit',
    time: Date.now()
  },
  success: function (res) {
    console.log('数据埋点成功');
  },
  fail: function (err) {
    console.error('数据埋点失败', err);
  }
})

CREATE DATABASE `wechat_app` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

CREATE TABLE `track` (
  `id` INT(11) NOT NULL AUTO_INCREMENT,
  `page` VARCHAR(50) NOT NULL,
  `action` VARCHAR(50) NOT NULL,
  `time` INT(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

<?php

// 连接数据库
$servername = "localhost";
$username = "root";
$password = "123456";
$dbname = "wechat_app";

$conn = mysqli_connect($servername, $username, $password, $dbname);
if (!$conn) {
  die("连接失败: " . mysqli_connect_error());
}

// 接收数据埋点请求
$page = $_POST['page'];
$action = $_POST['action'];
$time = $_POST['time'];

// 将数据存储到数据库中
$sql = "INSERT INTO track (page, action, time) VALUES ('$page', '$action', '$time')";

if (mysqli_query($conn, $sql)) {
  echo "数据存储成功";
} else {
  echo "数据存储失败: " . mysqli_error($conn);
}

mysqli_close($conn);

?>

<?php

// 连接数据库
$servername = "localhost";
$username = "root";
$password = "123456";
$dbname = "wechat_app";

$conn = mysqli_connect($servername, $username, $password, $dbname);
if (!$conn) {
  die("连接失败: " . mysqli_connect_error());
}

// 获取每天的访问次数
$sql = "SELECT DATE_FORMAT(FROM_UNIXTIME(`time`), '%Y-%m-%d') AS `day`, COUNT(*) AS `count` FROM track WHERE `action` = 'visit' GROUP BY `day`";

$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0) {
  while ($row = mysqli_fetch_assoc($result)) {
    echo "日期: " . $row['day'] . "，访问次数: " . $row['count'] . "<br>";
  }
}

mysqli_close($conn);

?>