判断访问方式添加欢迎信息

<script src="https://cdn.bootcss.com/layer/2.3/layer.js"></script>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>

$(function(){
        var t = document.createElement("a");
        t.href = document.referrer;
        var msgTitle = t.hostname;
        var name = t.hostname.split(".")[1];
        if("" !== document.referrer){
            switch (name) {
                case 'bing':
                    msgTitle = '必应搜索';
                    break;
                case 'baidu':
                    msgTitle = '百度搜索';
                    break;
                case 'so':
                    msgTitle = '360搜索';
                    break;
                case 'google':
                    msgTitle = '谷歌搜索';
                    break;
                case 'sm':
                    msgTitle = '神马搜索';
                    break;
                case 'sogou':
                    msgTitle = '搜狗搜索';
                    break;
                default:
                    msgTitle =  t.hostname;
            }
        };
        var time = (new Date).getHours();
        var msg = '';
        23 < time || time <= 5 ? msg = "你是夜猫子呀？这么晚还不睡觉，明天起的来嘛？":
        5< time && time <= 7 ? msg = "早上好！一日之计在于晨，美好的一天就要开始了！":
        7< time && time <= 11 ? msg = "上午好！工作顺利嘛，不要久坐，多起来走动走动哦！":
        11< time && time <= 14 ? msg = "中午了，工作了一个上午，现在是午餐时间！":
        14< time && time <= 17 ? msg = "午后很容易犯困呢，今天的运动目标完成了吗？":
        17< time && time <= 19 ? msg = "傍晚了！窗外夕阳的景色很美丽呢，最美不过夕阳红~":
        19< time && time <= 21 ? msg = "晚上好，今天过得怎么样？":
        21< time && time <= 23 && (msg = "已经这么晚了呀，早点休息吧，晚安~");
        $.ajax({
            type:"get", 
            url:"https://api.79xj.cn/userinfo.php",  
            data:{type:'json'},
            async:true,   
            success:function(data){

            data= eval("("+data+")");
                layer.msg("Hi~ 来自"+ data.data.location+'~<br/>Hi~ 从'+msgTitle+'来的朋友！<br/>使用 '+ data.data.os +"<br/>"+ data.data.browser +' 访问本站！' + '<br/>' + msg);
            }
        }); 
    });

<?php
function get_real_ip()

{

    static $realip;
    if (isset($_SERVER)) {
        if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $realip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        } else if (isset($_SERVER['HTTP_CLIENT_IP'])) {
            $realip = $_SERVER['HTTP_CLIENT_IP'];
        } else {
            $realip = $_SERVER['REMOTE_ADDR'];
        }
    } else {
        if (getenv('HTTP_X_FORWARDED_FOR')) {
            $realip = getenv('HTTP_X_FORWARDED_FOR');
        } else if (getenv('HTTP_CLIENT_IP')) {
            $realip = getenv('HTTP_CLIENT_IP');
        } else {
            $realip = getenv('REMOTE_ADDR');
        }
    }
    return $realip;
}
function get_os(){
    $agent = $_SERVER['HTTP_USER_AGENT'];
    $os = false;
    if (preg_match('/win/i', $agent) && strpos($agent, '95'))
    {
        $os = 'Windows 95';
    }
    else if (preg_match('/win 9x/i', $agent) && strpos($agent, '4.90'))
    {
        $os = 'Windows ME';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/98/i', $agent))
    {
        $os = 'Windows 98';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.0/i', $agent))
    {
        $os = 'Windows Vista';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.1/i', $agent))
    {
        $os = 'Windows 7';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.2/i', $agent))
    {
        $os = 'Windows 8';
    }else if(preg_match('/win/i', $agent) && preg_match('/nt 10.0/i', $agent))
    {
        $os = 'Windows 10';#添加win10判断
    }else if (preg_match('/win/i', $agent) && preg_match('/nt 5.1/i', $agent))
    {
        $os = 'Windows XP';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 5/i', $agent))
    {
        $os = 'Windows 2000';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt/i', $agent))
    {
        $os = 'Windows NT';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/32/i', $agent))
    {
        $os = 'Windows 32';
    }
    else if (preg_match('/linux/i', $agent))
    {
        $os = 'Linux';
    }
    else if (preg_match('/unix/i', $agent))
    {
        $os = 'Unix';
    }
    else if (preg_match('/sun/i', $agent) && preg_match('/os/i', $agent))
    {
        $os = 'SunOS';
    }
    else if (preg_match('/ibm/i', $agent) && preg_match('/os/i', $agent))
    {
        $os = 'IBM OS/2';
    }
    else if (preg_match('/Mac/i', $agent) && preg_match('/PC/i', $agent))
    {
        $os = 'Macintosh';
    }
    else if (preg_match('/PowerPC/i', $agent))
    {
        $os = 'PowerPC';
    }
    else if (preg_match('/AIX/i', $agent))
    {
        $os = 'AIX';
    }
    else if (preg_match('/HPUX/i', $agent))
    {
        $os = 'HPUX';
    }
    else if (preg_match('/NetBSD/i', $agent))
    {
        $os = 'NetBSD';
    }
    else if (preg_match('/BSD/i', $agent))
    {
        $os = 'BSD';
    }
    else if (preg_match('/OSF1/i', $agent))
    {
        $os = 'OSF1';
    }
    else if (preg_match('/IRIX/i', $agent))
    {
        $os = 'IRIX';
    }
    else if (preg_match('/FreeBSD/i', $agent))
    {
        $os = 'FreeBSD';
    }
    else if (preg_match('/teleport/i', $agent))
    {
        $os = 'teleport';
    }
    else if (preg_match('/flashget/i', $agent))
    {
        $os = 'flashget';
    }
    else if (preg_match('/webzip/i', $agent))
    {
        $os = 'webzip';
    }
    else if (preg_match('/offline/i', $agent))
    {
        $os = 'offline';
    }
    else
    {
        $os = '未知操作系统';
    }
    return $os;
}
function get_broswer()
{
    $sys = $_SERVER['HTTP_USER_AGENT'];  //获取用户代理字符串
    if (stripos($sys, "Firefox/") > 0) {
        preg_match("/Firefox\/([^;)]+)+/i", $sys, $b);
        $exp[0] = "Firefox";
        $exp[1] = $b[1];      //获取火狐浏览器的版本号
    } elseif (stripos($sys, "Maxthon") > 0) {
        preg_match("/Maxthon\/([\d\.]+)/", $sys, $aoyou);
        $exp[0] = "傲游";
        $exp[1] = $aoyou[1];
    } elseif (stripos($sys, "MSIE") > 0) {
        preg_match("/MSIE\s+([^;)]+)+/i", $sys, $ie);
        $exp[0] = "IE";
        $exp[1] = $ie[1];  //获取IE的版本号
    } elseif (stripos($sys, "OPR") > 0) {
        preg_match("/OPR\/([\d\.]+)/", $sys, $opera);
        $exp[0] = "Opera";
        $exp[1] = $opera[1];
    } elseif(stripos($sys, "Edge") > 0) {
        //win10 Edge浏览器 添加了chrome内核标记 在判断Chrome之前匹配
        preg_match("/Edge\/([\d\.]+)/", $sys, $Edge);
        $exp[0] = "Edge";
        $exp[1] = $Edge[1];
    } elseif (stripos($sys, "Chrome") > 0) {
        preg_match("/Chrome\/([\d\.]+)/", $sys, $google);
        $exp[0] = "Chrome";
        $exp[1] = $google[1];  //获取google chrome的版本号
    } elseif(stripos($sys,'rv:')>0 && stripos($sys,'Gecko')>0){
        preg_match("/rv:([\d\.]+)/", $sys, $IE);
        $exp[0] = "IE";
        $exp[1] = $IE[1];
    }else {
        $exp[0] = "未知浏览器";
        $exp[1] = "";
    }
    return $exp[0].'('.$exp[1].')';
}
function get_city(){
    $result = file_get_contents("https://api.79xj.cn/ip.php?ip=".get_real_ip());
    $arr=json_decode($result,true);
    return $arr["city"];
}
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization");
header('Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS,PATCH');
$arr=["ip"=>get_real_ip(),"location"=>get_city(),"os"=>get_os(),"browser"=>get_broswer()];
echo '{"data":'.json_encode($arr,320).'}' ;

?>