ouxuanac-boot/index.html

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <script src="jquery-3.1.1.min.js"></script>
    <style>
        html, body {
            text-align: center;
            /*background: linear-gradient(135deg, #3023ae 0%, #c86dd7 100%);*/
            cursor: none;
            padding: 0;
            margin: 0;
        }

        .loading {
            background: #50bfff;
            width: 100%;
            height: 100%;
            z-index: 9999;
        }
    </style>
</head>
<body>
<iframe src="" frameborder="0" id="content"
        style="width: 100%;height: 100%;position: fixed;left: 0px;display: none;"></iframe>
<div class="loading" style="position: fixed;left: 0px;">
    <div style="text-align:center;width:120px;height:120px;position:fixed;top:50%;left:50%;margin-left:-60px;margin-top:-60px;background: #50bfff;display: none"
         id="loading_img">
        <img src="oval.svg" style="width:100%;height:100%;">
    </div>
</div>
</body>
<script>


    function check() {
        $.ajax({
            url: "http://localhost/",
            success: function () {
                setTimeout(function () {
                    document.getElementById("content").src = "http://localhost/?t=" + Math.random();
                    $("#content").show();
                    setTimeout(function () {
                        $(".loading").fadeOut(1000)
                    },2000);
                }, 3000)
            },
            error: function (err) {
                setTimeout(function () {
                    check()
                }, 1000)
            }
        });
    }

    $("#loading_img").fadeIn(2000, function () {

        check();
    })
</script>
</html>