建站技术分享网

<script type="text/javascript" src="js/jquery-3.4.1.min.js"></script>
<script type="text/javascript" src="float.js"></script>

<div class="float-container" id="ad1" style="position: absolute; left: 379px; top: 108px;"> <a href="#" title="" target="_blank"> <img src="gif.gif" alt=""> </a>
  <p class="ad1-close">关闭</p>
</div>
<style>
    .float-container {
      position: relative;
      z-index:99999999999999999999;
    }

    .float-container p {
      text-align: right;
      position: absolute;
      margin: 0;
      top: -25px;
      right: 0;
      cursor: pointer;
    }
  </style>
<script>
    $(function () {
      var ad1 = new AdMove("ad1", true);
      ad1.Run();

      $('.ad1-close').on('click', function () {
        $(this).parent().remove()
      });
    })

  </script>

function addEvent(obj, evtType, func, cap) {//obj：dom操作对象，evtType：对象绑定的事件，func：触发的函数
  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 getPageScroll() {//获取滚动条滚动的距离（分别使用不同的浏览器）
  var xScroll, yScroll;
  if (self.pageXOffset) {//获取页面相对于窗口显示区左上角的 X 位置
    xScroll = self.pageXOffset;
  } else if (document.documentElement && document.documentElement.scrollLeft) {
    xScroll = document.documentElement.scrollLeft;//获取页面的水平滚动条的位置
  } else if (document.body) {
    xScroll = document.body.scrollLeft;//获取页面的水平滚动条的位置
  }
  if (self.pageYOffset) {//获取页面相对于窗口显示区左上角的 Y 位置。
    yScroll = self.pageYOffset;
  } else if (document.documentElement && document.documentElement.scrollTop) {
    yScroll = document.documentElement.scrollTop;//获取页面垂直方向滚动的值
  } else if (document.body) {
    yScroll = document.body.scrollTop;
  }
  arrayPageScroll = new Array(xScroll, yScroll);
  return arrayPageScroll;//返回当前页面滚动条距离左边和上边的距离
}
function GetPageSize() {//获取页面位置以及窗口大小
  var xScroll, yScroll;
  if (window.innerHeight && window.scrollMaxY) {
    xScroll = document.body.scrollWidth;//网页正文全文宽
    yScroll = window.innerHeight + window.scrollMaxY;//
  } else if (document.body.scrollHeight > document.body.offsetHeight) {
    xScroll = document.body.scrollWidth;//获取浏览器页面可见的区域宽度
    yScroll = document.body.scrollHeight;
  } else {
    xScroll = document.body.offsetWidth;
    yScroll = document.body.offsetHeight;
  }
  var windowWidth, windowHeight;
  if (self.innerHeight) {
    windowWidth = self.innerWidth;
    windowHeight = self.innerHeight;
  } else if (document.documentElement && document.documentElement.clientHeight) {
    windowWidth = document.documentElement.clientWidth;
    windowHeight = document.documentElement.clientHeight;
  } else if (document.body) {
    windowWidth = document.body.clientWidth;
    windowHeight = document.body.clientHeight;
  }
  if (yScroll < windowHeight) {
    pageHeight = windowHeight;
  } else {
    pageHeight = yScroll;
  }
  if (xScroll < windowWidth) {
    pageWidth = windowWidth;
  } else {
    pageWidth = xScroll;
  }
  arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
  return arrayPageSize;
}
//广告脚本文件 AdMove.js


var AdMoveConfig = new Object();
AdMoveConfig.IsInitialized = false;
AdMoveConfig.ScrollX = 0;
AdMoveConfig.ScrollY = 0;
AdMoveConfig.MoveWidth = 0;
AdMoveConfig.MoveHeight = 0;
AdMoveConfig.Resize = function () {
  var winsize = GetPageSize();//获取的是页面显示内容的宽和高
  AdMoveConfig.MoveWidth = winsize[2];
  AdMoveConfig.MoveHeight = winsize[3];
  AdMoveConfig.Scroll();
};
AdMoveConfig.Scroll = function () {
  var winscroll = getPageScroll();//获取页面滚动条的位置
  AdMoveConfig.ScrollX = winscroll[0];
  AdMoveConfig.ScrollY = winscroll[1];
};
addEvent(window, "resize", AdMoveConfig.Resize);
addEvent(window, "scroll", AdMoveConfig.Scroll);
function AdMove(id) {
  if (!AdMoveConfig.IsInitialized) {
    AdMoveConfig.Resize();
    AdMoveConfig.IsInitialized = true;
  }
  var obj = document.getElementById(id);
  obj.style.position = "absolute";
  var W = AdMoveConfig.MoveWidth - obj.offsetWidth;
  var H = AdMoveConfig.MoveHeight - obj.offsetHeight;
  var x = W * Math.random(), y = H * Math.random();//random() 方法可返回介于 0 ~ 1 之间的一个随机数
  var rad = (Math.random() + 1) * Math.PI / 6;
  var kx = Math.sin(rad), ky = Math.cos(rad);//取X和Y的精确值
  var dirx = (Math.random() < 0.5 ? 1 : -1), diry = (Math.random() < 0.5 ? 1 : -1);
  var step = 1;
  var interval;
  this.SetLocation = function (vx, vy) { x = vx; y = vy; }
  this.SetDirection = function (vx, vy) { dirx = vx; diry = vy; }
  obj.CustomMethod = 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.Run = function () {
    var delay = 10;
    interval = setInterval(obj.CustomMethod, delay);//每隔delay调用一下obj.CustomMethod函数
    obj.onmouseover = function () { clearInterval(interval); }//当鼠标移动到obj上时，停止取消由 setInterval() 设置的 timeout
    obj.onmouseout = function () { interval = setInterval(obj.CustomMethod, delay); }//当鼠标从obj上移开的时，冲洗开始调用obj.CustomMethod函数·
  }
}