WebCAD/src/index.html

<!DOCTYPE html>
<html lang="zh-cmn-Hans">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <script>
        if (location.hostname !== "localhost")
            fetch("ver.json").then(res => {
                if (!res.ok) return;
                res.json().then(v => {
                    if (res.status)
                        if (v)
                        {
                            let oldVer = sessionStorage.getItem("ver");
                            sessionStorage.setItem("ver", v);
                            if (oldVer && oldVer != v)
                            {
                                document.body.style.cssText = `
                                    text-align: center;
                                    display: flex;
                                    align-items: center;
                                    justify-content: center;
                                    font-size: 30px;
                                    flex-direction: column;
                                    `;
                                document.body.textContent = "发现新版本,升级中!";
                                location.reload();
                            }
                        }
                });
            });
    </script>
    <title>WebCAD</title>
    <meta itemprop="description" content="云端CAD,在线衣柜设计" />
</head>

<body>
</body>

</html>