网页右下角弹出窗体实现代码

最新推荐文章于 2025-07-03 17:58:36 发布
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本文介绍了一种实现网页右下角弹出窗体的方法，包括HTML结构、CSS样式和JavaScript交互逻辑，展示了如何通过代码控制弹窗的显示、隐藏及动画效果。
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网页右下角弹出窗体实现代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <!--开始-->
    <style type="text/css">
        #msg_win {
            position: absolute;
            right: 0px;
            display: none;
            overflow: hidden;
            z-index: 99;
            border: 1px solid #c00;
            background: #F9EFFC;
            width: 210px;
            font-size: 12px;
            margin: 0px;
        }

        #msg_win .icos {
            position: absolute;
            top: 2px;
            *top: 0px;
            right: 2px;
            z-index: 9;
        }

        .icos a {
            float: left;
            color: #FFFFFF;
            margin: 1px;
            text-align: center;
            font-weight: bold;
            width: 14px;
            height: 22px;
            line-height: 22px;
            padding: 1px;
            text-decoration: none;
            font-family: webdings;
        }

        .icos a:hover {
            color: #FFCC00;
        }

        #msg_title {
            background: #FA6705;
            border-bottom: 1px solid #710B97;
            border-top: 1px solid #FFF;
            border-left: 1px solid #FFF;
            color: #FFFFFF;
            height: 25px;
            line-height: 25px;
            text-indent: 5px;
            font-weight: bold;
        }

        #msg_content {
            margin: 1px;
            margin-right: 0;
            width: 210px;
            height: 160px;
            overflow: hidden;
            text-align: center
        }
    </style>
    <!--结束-->
</head>
<body>
<div id="msg_win" style="display:block;top:503px;visibility:visible;opacity:1;">
    <div class="icos">
        <a id="msg_min" title="最小化" href="javascript:;">_</a>
        <a id="msg_close" title="关闭" href="javascript:;">×</a>
    </div>
    <div id="msg_title">标题</div>
    <div id="msg_content">
        <p>11111111</p>
        <p>22222222</p>
        <p>33333333</p>
    </div>
</div>>

    <script type="text/javascript">
        var Message = {
            set: function () {//最小化与恢复状态切换
                var set = this.minbtn.status == 1 ? [0, 1, 'block', this.char[0], '最小化'] : [1, 0, 'none', this.char[1], '恢复'];
                this.minbtn.status = set[0];
                this.win.style.borderBottomWidth = set[1];
                this.content.style.display = set[2];
                this.minbtn.innerHTML = set[3]
                this.minbtn.title = set[4];
                this.win.style.top = this.getY().top;
            },
            close: function () {//关闭
                this.win.style.display = 'none';
                document.all.xhs1.stop();
                window.onscroll = null;
            },
            setOpacity: function (x) {//设置透明度
                var v = x >= 100 ? '' : 'Alpha(opacity=' + x + ')';
                this.win.style.visibility = x <= 0 ? 'hidden' : 'visible'; //IE有绝对或相对定位内容不随父透明度变化的bug
                this.win.style.filter = v;
                this.win.style.opacity = x / 100;
            },
            show: function () {//渐显
                clearInterval(this.timer2);
                var me = this, fx = this.fx(0, 100, 0.1), t = 0;
                this.timer2 = setInterval(function () {
                    t = fx();
                    me.setOpacity(t[0]);
                    if (t[1] == 0) {
                        clearInterval(me.timer2)
                    }
                }, 6); //10 to 6
            },
            fx: function (a, b, c) {//缓冲计算
                var cMath = Math[(a - b) > 0 ? "floor" : "ceil"], c = c || 0.1;
                return function () {
                    return [a += cMath((b - a) * c), a - b]
                }
            },
            getY: function () {//计算移动坐标
                var d = document, b = document.body, e = document.documentElement;
                var s = Math.max(b.scrollTop, e.scrollTop);
                var h = /BackCompat/i.test(document.compatMode) ? b.clientHeight : e.clientHeight;
                var h2 = this.win.offsetHeight;
                return {foot: s + h + h2 + 2 + 'px', top: s + h - h2 - 2 + 'px'}
            },
            moveTo: function (y) {//移动动画
                clearInterval(this.timer);
                var me = this, a = parseInt(this.win.style.top) || 0;
                var fx = this.fx(a, parseInt(y));
                var t = 0;
                this.timer = setInterval(function () {
                    t = fx();
                    me.win.style.top = t[0] + 'px';
                    if (t[1] == 0) {
                        clearInterval(me.timer);
                        me.bind();
                    }
                }, 6); //10 to 6
            },
            bind: function () {//绑定窗口滚动条与大小变化事件
                var me = this, st, rt;
                window.onscroll = function () {
                    clearTimeout(st);
                    clearTimeout(me.timer2);
                    me.setOpacity(0);
                    st = setTimeout(function () {
                        me.win.style.top = me.getY().top;
                        me.show();
                    }, 100); //600 mod 100
                };
                window.onresize = function () {
                    clearTimeout(rt);
                    rt = setTimeout(function () {
                        me.win.style.top = me.getY().top
                    }, 100);
                }
            },

            init: function () {//创建HTML
                function $(id) {
                    return document.getElementById(id)
                };
                this.win = $('msg_win');
                var set = {
                    minbtn: 'msg_min',
                    closebtn: 'msg_close',
                    title: 'msg_title',
                    content: 'msg_content'
                };
                for (var Id in set) {
                    this[Id] = $(set[Id])
                }
                ;
                var me = this;
                this.minbtn.onclick = function () {
                    me.set();
                    this.blur()
                };
                this.closebtn.onclick = function () {
                    me.close()
                };
                this.char = navigator.userAgent.toLowerCase().indexOf('firefox') + 1 ? ['_', '::', '×'] : ['0', '2', 'r']; //FF不支持webdings字体
                this.minbtn.innerHTML = this.char[0];
                this.closebtn.innerHTML = this.char[2];
                setTimeout(function () {//初始化最先位置
                    me.win.style.display = 'block';
                    me.win.style.top = me.getY().foot;
                    me.moveTo(me.getY().top);
                }, 0);
                return this;
            }
        };
        Message.init();
    </script>
</body>
</html>