book_admin/application/common/behavior/Limit.php

<?php

namespace app\common\behavior;


class Limit
{

    public function run(&$request)
    {
        $file = sys_get_temp_dir() . "/cps_redis_error";
        if (is_file($file)) {
            if (intval(file_get_contents($file)) >= time()) {
                http_response_code(502);
                header("Content-Type: text/html;charset=utf-8");
                echo '<meta charset="utf-8">';
                echo '<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">';
                echo '<title>502 Sorry, HTTP ERROR~</title>';
                echo '502 Sorry, HTTP ERROR~';
                echo "<br><br><br>";
                echo '<a href="javascript:window.location.reload();">点我重试一次</a>';
                die();
            } else {
                @unlink($file);
            }
        }
    }
}