go
/
go.php

<?php

// 请将这里的网址改为自己的（顶级）域名地址
$myDomain = 'moqingwu.com';

// 这里用正则提取 $_SERVER["QUERY_STRING"] 而不是直接 get url
// 是因为如果链接中自身带有 GET 参数则会导致获取不完整
preg_match('/url=(.*)/i', $_SERVER["QUERY_STRING"], $jumpUrl);

// 如果没获取到跳转链接，直接跳回首页
if(!isset($jumpUrl[1])) {
    header("location:/");
    exit();
}

$jumpUrl = $jumpUrl[1];

// 判断是否包含 http:// 头，如果没有则加上
preg_match('/(http|https):\/\//', $jumpUrl, $matches);

$url = $matches? $jumpUrl: 'http://'. $jumpUrl;


// 判断网址是否完整
preg_match('/[\w-]*\.[\w-]*/i', $url, $matche);

// 是否需要给出跳转提示
$echoTips = false;

if($matche){
    // 如果是本站的链接，不展示动画直接跳转
    if(isMyDomain($url, $myDomain)) {
        header("location:{$url}");
        exit();    // 后续操作不再执行
    }

    $title = '页面加载中,请稍候...';
    $fromUrl = isset($_SERVER["HTTP_REFERER"])? $_SERVER["HTTP_REFERER"]: ''; // 获取来源url

    // 如果来源和跳转后的地址都不是本站，那么就要给出提示
    if(!isMyDomain($fromUrl, $myDomain)) {
        $echoTips = true;
    }
} else {    // 网址参数不完整
    $url = '/';
    $title = '参数错误，正在返回首页...';
}


/**
 * 判断是不是自己的域名
 * @param $domain 要进行判断的域名
 * @param $my 自己的域名
 * @return 对比结果
 */
function isMyDomain($domain, $my) {
    preg_match('/([^\?]*)/i', $domain, $match);
    if(isset($match[1])) $domain = $match[1];
    preg_match('/([\w-]*\.[\w-]*)\/.*/i', $domain.'/', $match);
    if(isset($match[1]) && $match[1] == $my) return true;
    return false;
}

?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<?php
if($echoTips) {
    echo '<title>跳转提示</title>';
} else {
    echo '<meta http-equiv="refresh" content="0;url='.$url.'">';
    echo '<title>'.$title.'</title>';
}
?>
<style>
html, body { width: 100%; height: 100%; position: relative; margin: 0; padding: 0; }
body{background:#fff;font-family:Microsoft Yahei;-webkit-animation:fadeIn 1s linear;animation:fadeIn 1s linear}
@-webkit-keyframes fadeIn{from{opacity:0}
to{opacity:1}
}@keyframes fadeIn{from{opacity:0}
to{opacity:1}
}
#circle{background-color:rgba(0,0,0,0);border:5px solid rgba(0,183,229,0.9);opacity:.9;border-right:5px solid rgba(0,0,0,0);border-left:5px solid rgba(0,0,0,0);border-radius:50px;box-shadow:0 0 35px #2187e7;width:50px;height:50px;margin:0 auto;position:fixed;left:30px;bottom:30px;-moz-animation:spinPulse 1s infinite ease-in-out;-webkit-animation:spinPulse 1s infinite ease-in-out;-o-animation:spinPulse 1s infinite ease-in-out;-ms-animation:spinPulse 1s infinite ease-in-out}
#circle1{background-color:rgba(0,0,0,0);border:5px solid rgba(0,183,229,0.9);opacity:.9;border-left:5px solid rgba(0,0,0,0);border-right:5px solid rgba(0,0,0,0);border-radius:50px;box-shadow:0 0 15px #2187e7;width:30px;height:30px;margin:0 auto;position:fixed;left:40px;bottom:40px;-moz-animation:spinoffPulse 1s infinite linear;-webkit-animation:spinoffPulse 1s infinite linear;-o-animation:spinoffPulse 1s infinite linear;-ms-animation:spinoffPulse 1s infinite linear}
@-webkit-keyframes spinPulse{0%{-webkit-transform:rotate(160deg);opacity:0;box-shadow:0 0 1px #505050}
50%{-webkit-transform:rotate(145deg);opacity:1}
100%{-webkit-transform:rotate(-320deg);opacity:0}
}@-webkit-keyframes spinoffPulse{0%{-webkit-transform:rotate(0deg)}
100%{-webkit-transform:rotate(360deg)}
}
#loading-text{position:fixed;left:110px;bottom:35px;color:#736D6D}
@media screen and (max-width:600px){#circle,#circle1{left:0;right:0;top:0;bottom:0}
#circle{margin:120px auto}
#circle1{margin:130px auto}
#loading-text{display:block;text-align:center;margin-top:220px;position:static;margin-left:10px}
}
.warning{max-width: 500px;margin: 0 auto; position: absolute; left: 0; right: 0; top: 40%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}
.wtitle {font-size: 22px;color: #d68300;}
.wurl {overflow: hidden;text-overflow: ellipsis;white-space: nowrap;color: #827777;}
.btn {display: inline-block;line-height: 20px;cursor: pointer;border: 1px solid #A9A6A6;padding: 6px 10px;font-size: 14px;text-decoration: none;}
.btn-green {color: #fff;background-color: #238aca;border: 1px solid #238aca;}
.btn:hover {background-color: #A9A6A6;border: 1px solid #A9A6A6;color: #fff;}
</style>
</head>
<body>
    <?php if($echoTips) { ?>
    <div class="warning">
        <p class="wtitle">您将要访问：</p>
        <p class="wurl" title="<?php echo $url;?>"><?php echo $url;?></p>
        <p>该网站不属于本站，我们无法确认该网页是否安全，它可能包含未知的安全隐患。</p>
        <a class="btn btn-green" href="<?php echo $url;?>" rel="nofollow">继续访问</a>
        <span class="btn" onclick="closePage()">关闭网页</span>
    </div>
    <script>
    function closePage() {
        // 通用窗口关闭
        window.opener=null;
        window.open('','_self');
        window.close();
        // 微信浏览器关闭
        WeixinJSBridge.call('closeWindow');
    }
    </script>
    <?php } else { ?>
    <div id="circle"></div>
    <div id="circle1"></div>
    <p id="loading-text">页面加载中，请稍候...</p>
    <?php } ?>
</body>
</html>