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作者 by 超米 / 2024-11-09 / 暂无评论 / 25 个足迹

<?php
// 获取POST数据中的距离值
$mq2AnalogValue = $_POST['mq2AnalogValue'];

$dataFile = 'MQ2_data.txt';

if($mq2AnalogValue > 700){
    $data = "烟雾浓度过高！疑似着火！ \n";
}else {
  $data = "浓度正常: ".$mq2AnalogValue. "ppm \n";
}



file_put_contents($dataFile, $data);


header('Content - type:text/html;charset = utf-8');
echo "<html><body>";
echo "浓度为: $mq2AnalogValue ppm <br>";
echo "</body></html>";
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