wastesortingserver/admin/Login.php

<?php

require_once $_SERVER["DOCUMENT_ROOT"] . "/database/Query.php";
require_once $_SERVER["DOCUMENT_ROOT"] . "/database/DbUtil.php";
require_once $_SERVER["DOCUMENT_ROOT"] . "/admin/Alert.php";

//IP地址转换
function get_remote_ip()
{
    return $_SERVER['REMOTE_ADDR'] == "::1" ? "127.0.0.1" : $_SERVER['REMOTE_ADDR'];
}


function update_token(QueryManager $manager_result, $msg)
{
    //            通过验证，更新cookie信息
    $manager = $manager_result->getManagerResult();
    $manager->setLastIp(get_remote_ip());
    $manager->setLastTime(date(default_format));
    DbUtil::update("update manager set last_ip=?,last_time=? where manager_name=?", null, "sss", $manager->getLastIp(), $manager->getLastTime(), $manager->getManagerName());

    //            跳转到首页
    if ($_SERVER["SCRIPT_NAME"] == "/admin/Manager.php") {
        info_res($msg, "/",);
        echo <<<EOF
<script>
<!--3;秒后自动跳转;-->
$(function() {
  let count=3;
 $("#tip").text(count+"秒后自动跳转");
let i=setInterval(function() {
   if(count-->0){
       $("#tip").text(count+"秒后自动跳转");
   }else{
       location.href="/"
   }
  console.info("定时器！！！！！")
},1000)
})

</script>

<div class="alert alert-info alert-dismissible fade show col-5 m-auto text-center" role="alert">
      <strong id="tip"></strong>
</div>
EOF;

    } else if ($_SERVER["SCRIPT_NAME"] == "/index.php" && empty($_SERVER["HTTP_REFERER"])) {
        response($msg, "alert-info");
    }

    //            登陆身份有效期半小时
    setcookie("login_token", $manager->loginToken(), time() + 60 * 15, "/");
}

function check_login()
{
    if (!empty($_COOKIE["login_token"]) and !empty($_COOKIE["manager_name"])) {
        $manager_result = new QueryManager();
        try {
            DbUtil::query("select * from manager where manager_name=?", $manager_result, array($_COOKIE["manager_name"]));
        } catch (Exception $e) {
            error_res("系统出现严重异常,请联系管理员", "/");
            return false;
        }
//    验证cookie身份信息有效性
        if (empty($manager_result) or $_COOKIE["login_token"] != $manager_result->getManagerResult()->loginToken()) {
            setcookie("manager_name", "", time() - 3600, "/");
            setcookie("login_token", "", time() - 3600, "/");
//            error_res("非法验证，请重新登陆", "/admin/Manager.php");
        } else {
            try {
                update_token($manager_result, "您已登录，自动跳转到首页");
                return true;
            } catch (Exception $e) {
                error($e);
//                error_res("管理员身份验证异常，请联系管理员", "/admin/Manager.php");
            }

        }
    }
//    else {
//        info_res("您尚未登陆，跳转到登陆页", "/admin/Manager.php");
//    }
    return false;
}