php定时采集

<?php
// 目标URL
$url = 'https://example.com/data';

// 获取网页内容
$content = file_get_contents($url);

// 保存到本地文件
file_put_contents('data.txt', $content);

echo "数据采集完成并保存到 data.txt";
?>

<?php
$url = 'https://example.com/data';
$options = array(
    'http' => array(
        'header'  => "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3",
        'timeout' => 15 * 60 // 设置超时时间
    )
);
$context  = stream_context_create($options);
$content = file_get_contents($url, false, $context);

if ($content === false) {
    echo "无法访问目标网站";
} else {
    file_put_contents('data.txt', $content);
    echo "数据采集完成并保存到 data.txt";
}
?>

<?php
require 'simple_html_dom.php';

$url = 'https://example.com/data';
$html = file_get_html($url);

if ($html === false) {
    echo "无法访问目标网站";
} else {
    $data = $html->find('div.data', 0)->innertext;
    file_put_contents('data.txt', $data);
    echo "数据采集完成并保存到 data.txt";
}
?>