利用js實現(xiàn)遮罩以及彈出可移動登錄窗口

2024-05-06 15:48:48

字體：大中小

供稿：網(wǎng)友

本篇文章是對使用js實現(xiàn)遮罩以及彈出可移動登錄窗口的實現(xiàn)方法進(jìn)行了詳細(xì)的分析介紹，需要的朋友參考下

復(fù)制代碼代碼如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script type="text/javascript">
        function showLogin() {
            var loginDiv = document.getElementById("loginDiv");
            var zhezhao = document.getElementById("zhezhao");
            var clientx = document.documentElement.clientWidth;
            var clienty = document.documentElement.clientHeight;
            var l_margin = (clientx - parseInt(loginDiv.style.width)) / 2;
            var t_margin = (clienty - parseInt(loginDiv.style.height)-200) / 2
            loginDiv.style.left = l_margin + "px";
            loginDiv.style.top = t_margin +"px";
            loginDiv.style.display = "block";
            zhezhao.style.display = "block";
        }
        function hidLogin() {
            var loginDiv = document.getElementById("loginDiv");
            var zhezhao = document.getElementById("zhezhao");
            loginDiv.style.display = "none";
            zhezhao.style.display = "none";
        }
        function titleMove() {
            var moveable = true;
            var loginDiv = document.getElementById("loginDiv");
            //以下變量提前設(shè)置好                        var clientX = window.event.clientX;
            var clientY = window.event.clientY;
            var moveTop = parseInt(loginDiv.style.top);
            var moveLeft = parseInt(loginDiv.style.left);
            document.onmousemove = function MouseMove() {
                if (moveable) {
                    var y = moveTop + window.event.clientY - clientY;
                    var x = moveLeft + window.event.clientX - clientX;
                    if (x > 0 && y > 0) {
                        loginDiv.style.top = y + "px";
                        loginDiv.style.left = x + "px";
                    }
                }
            }
            document.onmouseup = function Mouseup() {
                moveable = false;
            }
        }
    </script>
</head>
<body>

<div>
<a href="javascript:showLogin()">登陸</a>
</div>


<div>
    <div onmousedown="titleMove()">
        
        <a href="javascript:hidLogin()">×</a>
    </div>
    <table>
        <tr><td>用戶名：</td><td><input type="text" /></td><td>  </td></tr>
        <tr><td>密碼:</td><td><input type="text" /></td><td>  </td></tr>
        <tr><td><br /></td><td></td></tr>
    </table>
</div>


<div>

</div>
</body>
</html>