JavaScript实现飘窗功能

2023-12-13 06:57:30

实现飘窗功能很简单
在这里插入图片描述

html代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script type="text/javascript" src="js/AdMove.js"></script>
</head>

<body>
    <div class="float-container" id="ad1" style="position: absolute; left: 1069.59px; top: 240.294px;"> <a
            href="这里需要自己填写自己的路径"
            title="" target="_blank" style="text-decoration: none;">
            <div style="width: 140px;line-height: 60px; background-color: #ff9232;color:#fff; font-size: 16px;text-align: center;
                font-weight: bold;border-radius: 10px;">
                平台自律公约
            </div>
        </a>
    </div>
</body>

<script>
    var ad1 = new AdMove("ad1", true);
    ad1.Run();
</script>

</html>

JavaScript

function addEvent(obj, evtType, func, cap) {
    cap = cap || false;
    if (obj.addEventListener) {
        obj.addEventListener(evtType, func, cap);
        return true;
    } else if (obj.attachEvent) {
        if (cap) {
            obj.setCapture();
            return true;
        } else {
            return obj.attachEvent("on" + evtType, func);
        }
    } else {
        return false;
    }
}
function removeEvent(obj, evtType, func, cap) {
    cap = cap || false;
    if (obj.removeEventListener) {
        obj.removeEventListener(evtType, func, cap);
        return true;
    } else if (obj.detachEvent) {
        if (cap) {
            obj.releaseCapture();
            return true;
        } else {
            return obj.detachEvent("on" + evtType, func);
        }
    } else {
        return false;
    }
}
function getPageScroll() {
    var xScroll, yScroll;
    if (self.pageXOffset) {
        xScroll = self.pageXOffset;
    } else if (document.documentElement && document.documentElement.scrollLeft) {
        xScroll = document.documentElement.scrollLeft;
    } else if (document.body) {
        xScroll = document.body.scrollLeft;
    }
    if (self.pageYOffset) {
        yScroll = self.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {
        yScroll = document.documentElement.scrollTop;
    } else if (document.body) {
        yScroll = document.body.scrollTop;
    }
    arrayPageScroll = new Array(xScroll, yScroll);
    return arrayPageScroll;
}


// 获取页面的高度、宽度
function GetPageSize() {
    var xScroll, yScroll;
    if (window.innerHeight && window.scrollMaxY) {
        xScroll = window.innerWidth + window.scrollMaxX;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else {
        if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac    
            xScroll = document.body.scrollWidth;
            yScroll = document.body.scrollHeight;
        } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari    
            xScroll = document.body.offsetWidth;
            yScroll = document.body.offsetHeight;
        }
    }

    var windowWidth, windowHeight;
    if (self.innerHeight) { // all except Explorer    
        if (document.documentElement.clientWidth) {
            windowWidth = document.documentElement.clientWidth;
        } else {
            windowWidth = self.innerWidth;
        }
        windowHeight = self.innerHeight;
    } else {
        if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode    
            windowWidth = document.documentElement.clientWidth;
            windowHeight = document.documentElement.clientHeight;
        } else {
            if (document.body) { // other Explorers    
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight;
            }
        }
    }

    // for small pages with total height less then height of the viewport    
    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport    
    if (xScroll < windowWidth) {
        pageWidth = xScroll;
    } else {
        pageWidth = windowWidth;
    }
    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
    return arrayPageSize;
}



//广告脚本文件 AdMove.js
/*
例子   加<div></div>  是为了判断飘窗内容为空时隐藏飘窗
<div id="Div2">
    <div></div>
    ***** content ******
    </div>
</div>
var ad=new AdMove("Div2");
ad.Run();
*/

var AdMoveConfig = new Object();
AdMoveConfig.IsInitialized = false;
AdMoveConfig.AdCount = 0;
AdMoveConfig.ScrollX = 0;
AdMoveConfig.ScrollY = 0;
AdMoveConfig.MoveWidth = 0;
AdMoveConfig.MoveHeight = 0;
AdMoveConfig.Resize = function () {
    var winsize = GetPageSize();
    AdMoveConfig.MoveWidth = winsize[2];
    AdMoveConfig.MoveHeight = winsize[3];
    AdMoveConfig.Scroll();
}
AdMoveConfig.Scroll = function () {
    var winscroll = getPageScroll();
    AdMoveConfig.ScrollX = winscroll[0];
    AdMoveConfig.ScrollY = winscroll[1];
}
addEvent(window, "resize", AdMoveConfig.Resize);
addEvent(window, "scroll", AdMoveConfig.Scroll);
function AdMove(id, addCloseButton) {
    if (!AdMoveConfig.IsInitialized) {
        AdMoveConfig.Resize();
        AdMoveConfig.IsInitialized = true;
    }
    AdMoveConfig.AdCount++;
    var obj = document.getElementById(id);
    obj.style.position = "absolute";
    obj.style.zIndex = "999";
    var W = AdMoveConfig.MoveWidth - obj.offsetWidth;
    var H = AdMoveConfig.MoveHeight - obj.offsetHeight;
    var x = W * Math.random(), y = H * Math.random();
    var rad = (Math.random() + 1) * Math.PI / 6;
    var kx = Math.sin(rad), ky = Math.cos(rad);
    var dirx = (Math.random() < 0.5 ? 1 : -1), diry = (Math.random() < 0.5 ? 1 : -1);
    var step = 1;
    var interval;
    if (addCloseButton) {
        var closebtn = document.createElement("span");
        closebtn.className = 'close_btn';
        closebtn.innerHTML = "关闭";
        closebtn.style.color = "#ff9232";
        closebtn.style.position = "relative"
        closebtn.style.marginLeft = "110px"
        closebtn.style.top = "-80px"
        obj.appendChild(closebtn);

        closebtn.onclick = function () {
            obj.style.display = "none";
            clearInterval(interval);
            closebtn.onclick = null;
            obj.onmouseover = null;
            obj.onmouseout = null;
            obj.MoveHandler = null;
            AdMoveConfig.AdCount--;
            if (AdMoveConfig.AdCount <= 0) {
                removeEvent(window, "resize", AdMoveConfig.Resize);
                removeEvent(window, "scroll", AdMoveConfig.Scroll);
                AdMoveConfig.Resize = null;
                AdMoveConfig.Scroll = null;
                AdMoveConfig = null;
            }
        }
        /*判断飘窗内容是否为空，为空就隐藏*/
        function removeHTMLTag(str) {
            //str = str.replace(/<\/?[^>]*>/g,''); //去除HTML tag
            str = str.replace(/[ | ]*\n/g, '\n'); //去除行尾空白
            str = str.replace(/[\r\n]/g, ""); //去除多余空行
            str = str.replace(/ /ig, '');//去掉&nbsp;
            return str;
        }
        var oDiv = obj.getElementsByTagName('div')[0];
        if (removeHTMLTag(oDiv.innerHTML) == "") {
            obj.style.display = "none";
        }

    }
    obj.MoveHandler = function () {
        obj.style.left = (x + AdMoveConfig.ScrollX) + "px";
        obj.style.top = (y + AdMoveConfig.ScrollY) + "px";
        rad = (Math.random() + 1) * Math.PI / 6;
        W = AdMoveConfig.MoveWidth - obj.offsetWidth;
        H = AdMoveConfig.MoveHeight - obj.offsetHeight;
        x = x + step * kx * dirx;
        if (x < 0) { dirx = 1; x = 0; kx = Math.sin(rad); ky = Math.cos(rad); }
        if (x > W) { dirx = -1; x = W; kx = Math.sin(rad); ky = Math.cos(rad); }
        y = y + step * ky * diry;
        if (y < 0) { diry = 1; y = 0; kx = Math.sin(rad); ky = Math.cos(rad); }
        if (y > H) { diry = -1; y = H; kx = Math.sin(rad); ky = Math.cos(rad); }
    }
    this.SetLocation = function (vx, vy) { x = vx; y = vy; }
    this.SetDirection = function (vx, vy) { dirx = vx; diry = vy; }
    this.Run = function () {
        var delay = 10;
        interval = setInterval(obj.MoveHandler, delay);
        obj.onmouseover = function () { clearInterval(interval); }
        obj.onmouseout = function () { interval = setInterval(obj.MoveHandler, delay); }
    }
}

如果觉得不错可以一件三连支持一下

文章来源:https://blog.csdn.net/qq_53701704/article/details/134957816
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