点击弹出层效果&弹出窗口后网页背景变暗效果的实现代码

复制代码 代码如下:

  <html>

  <head>

  <title>网页特效-窗口特效-弹出窗口后网页背景变暗的效果</title>

  <meta http-equiv="content-Type" content="text/html;charset=gb2312">

  <!--把下面代码加到<head>与</head>之间-->

  <style type="text/css">

  .black_overlay{display:none;position:absolute;top:0%;left:0%;width:100%;height:100%;background-color:black;z-index:1001;-moz-opacity:0.8;opacity:.80;filter:alpha(opacity=80);}

  .white_content{display:none;position:absolute;top:25%;left:25%;width:50%;height:50%;padding:16px;border:3px solid orange;background-color:white;z-index:1002;overflow:auto;}

  </style>

  </head>

  <body>

  <!--把下面代码加到<body>与</body>之间-->

  <a href="javascript:void(0)" onclick="document.getElementById('light').style.display='block'; document.getElementById('fade').style.display='block'">

  点击这里打开窗口</a>

  <div id="light" class="white_content">

  <a href="javascript:void(0)" onclick="document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'">

  Close</a>

  <br>窗口内容

  </div>

  <div id="fade" class="black_overlay">123</div>

  </body>

  </html>

  例二:

  

复制代码 代码如下:

  <!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 runat="server">

  <title>无标题页</title>

  <script language="javascript" type="text/javascript">

  function hid()

  {

  var div4=document.getElementById("div1");

  div4.style.display="block";

  div4.style.width="200px";

  div4.style.height="150px";

  div4.style.zIndex="9999";

  div4.style.top="43%";

  div4.style.left="43%";

  div4.style.position="absolute";

  var div3=document.getElementById("div2");

  div3.style.display="block";

  div3.style.width="1000px";

  div3.style.zIndex="9998";

  div3.style.position="absolute";

  div3.style.height=document.body.offsetHeight;

  div3.style.top="0px";

  div3.style.left="0px";

  }

  function vis()

  {

  var div4=document.getElementById("div1");

  div4.style.display="none";

  var div3=document.getElementById("div2");

  div3.style.display="none";

  div3.style.width="0px";

  div3.style.height="0px";

  div4.innerHTML="<a onclick='vis()' style='display: block' id='text'>点击关闭</a><br /><br /><input name='TextBox2' type='text' id='TextBox2' /><br /><input id='Button3' type='button' value='button' onclick='return Button3_onclick()' />";

  }

  </script>

  </head>

  <body style="width:100%; height:100%">

  <div align="center">

  <table width="768" border="0" cellpadding="0" cellspacing="0">

  <!--DWLayoutTable-->

  <tr>

  <td width="768" height="403">    <form id="form1" runat="server">

  <a onclick="hid()">点击显示</a><br />

  <div style="color: white; background-color: green; display: none;" id="div1">

  <a onclick="vis()" style="display: block" id="text">点击关闭</a><br />

  <br />

  <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />

  <input id="Button3" type="button" value="button" onclick="return Button3_onclick()" /></div>

  <div style="filter:alpha(opacity=70);width: 1px; height: 8px; background-color: #cccccc; left: 0px; position: absolute; top: 0px; z-index: 9998; display: none;" id="div2">

  </div>

  </form></td>

  </tr>

  </table>

  </div>

  </body>

  </html>

  例三:

  

复制代码 代码如下:

  <!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>

  <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

  <title>点击弹出层效果</title>

  <style>

  * {margin:0;}

  body {font-size:12px;}

  #container div{margin-top:5px;}

  #select_city h3{float:left;}

  #main_city,#all_province {clear:both;}

  #main_city div,#all_province div{width:600px;clear:left;}

  #main_city h4,#all_province h4{float:left;display:inline;font-size:16px;}

  #main_city div span,#all_province div span{margin:0 10px;cursor:pointer;font-size:12px;}

  #float_lay{width:200px;height:120px;border:1px #d1d1d1 solid;position:absolute;background:#fff;z-index:999;display:none;}

  </style>

  <script type="text/javascript">

  //弹出层

  function openLayer(objId,conId){

  var arrayPageSize   = getPageSize();//调用getPageSize()函数

  var arrayPageScroll = getPageScroll();//调用getPageScroll()函数

  if (!document.getElementById("popupAddr")){

  //创建弹出内容层

  var popupDiv = document.createElement("div");

  //给这个元素设置属性与样式

  popupDiv.setAttribute("id","popupAddr")

  popupDiv.style.position = "absolute";

  popupDiv.style.border = "1px solid #ccc";

  popupDiv.style.background = "#fff";

  popupDiv.style.zIndex = 99;

  //创建弹出背景层

  var bodyBack = document.createElement("div");

  bodyBack.setAttribute("id","bodybg")

  bodyBack.style.position = "absolute";

  bodyBack.style.width = "100%";

  bodyBack.style.height = (arrayPageSize[1] + 35 + 'px');

  bodyBack.style.zIndex = 98;

  bodyBack.style.top = 0;

  bodyBack.style.left = 0;

  bodyBack.style.filter = "alpha(opacity=50)";

  bodyBack.style.opacity = 0.5;

  bodyBack.style.background = "#ddf";

  //实现弹出(插入到目标元素之后)

  var mybody = document.getElementById(objId);

  insertAfter(popupDiv,mybody);//执行函数insertAfter()

  insertAfter(bodyBack,mybody);//执行函数insertAfter()

  }

  //显示背景层

  document.getElementById("bodybg").style.display = "";

  //显示内容层

  var popObj=document.getElementById("popupAddr")

  popObj.innerHTML = document.getElementById(conId).innerHTML;

  popObj.style.display = "";

  //让弹出层在页面中垂直左右居中(统一)

  // popObj.style.width = "600px";

  // popObj.style.height = "400px";

  // popObj.style.top = arrayPageScroll[1] + (arrayPageSize[3] - 35 - 400) / 2 + 'px';

  // popObj.style.left = (arrayPageSize[0] - 20 - 600) / 2 + 'px';

  //让弹出层在页面中垂直左右居中(个性)

  var arrayConSize=getConSize(conId)

  popObj.style.top = arrayPageScroll[1] + (arrayPageSize[3] - arrayConSize[1]) / 2-50 + 'px';

  popObj.style.left = (arrayPageSize[0] - arrayConSize[0]) / 2 -30 + 'px';

  }

  //获取内容层内容原始尺寸

  function getConSize(conId){

  var conObj=document.getElementById(conId)

  conObj.style.position = "absolute";

  conObj.style.left=-1000+"px";

  conObj.style.display="";

  var arrayConSize=[conObj.offsetWidth,conObj.offsetHeight]

  conObj.style.display="none";

  return arrayConSize;

  }

  function insertAfter(newElement,targetElement){//插入

  var parent = targetElement.parentNode;

  if(parent.lastChild == targetElement){

  parent.appendChild(newElement);

  }

  else{

  parent.insertBefore(newElement,targetElement.nextSibling);

  }

  }

  //获取滚动条的高度

  function getPageScroll(){

  var yScroll;

  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('',yScroll)

  return arrayPageScroll;

  }

  //获取页面实际大小

  function getPageSize(){

  var xScroll,yScroll;

  if (window.innerHeight && window.scrollMaxY){

  xScroll = document.body.scrollWidth;

  yScroll = window.innerHeight + window.scrollMaxY;

  } else if (document.body.scrollHeight > document.body.offsetHeight){

  sScroll = document.body.scrollWidth;

  yScroll = document.body.scrollHeight;

  } else {

  xScroll = document.body.offsetWidth;

  yScroll = document.body.offsetHeight;

  }

  var windowWidth,windowHeight;

  //var pageHeight,pageWidth;

  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;

  }

  var pageWidth,pageHeight

  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;

  }

  //关闭弹出层

  function closeLayer(){

  document.getElementById("popupAddr").style.display = "none";

  document.getElementById("bodybg").style.display = "none";

  return false;

  }

  </script>

  </head>

  <body>

  <input name="Input" id="test" value="风格设置" type="button" onclick="openLayer('test','test_con')" />

  <!--第一个弹出层的内容-->

  <div id="test_con" style="display:none" title="包含弹出层的内容的容器">

  <div id="tab">

  <div id="tabtop">

  <div id="tabtop-L"><strong>风格设置</strong></div>

  <div id="tabtop-R" onclick="closeLayer()"><strong>关闭</strong></div>

  </div>

  <div id="tabcontent">此处显示内容</div>

  </div>

  </div>

  <br>

  <br>

  <br>

  <input name="Input" id="test2" value="风格提示" type="button" onclick="openLayer('test2','test_con2')" />

  <!--第二个弹出层的内容-->

  <div id="test_con2" style="display:none" title="包含弹出层的内容的容器">

  <div id="tab2">

  <div id="tabtop2">

  <div id="tabtop-L2"><strong style="color:blue">设置提示</strong></div>

  <div id="tabtop-R2" onclick="closeLayer()"><strong style="color:red">关闭</strong></div>

  </div>

  <div id="tabcontent2" style="color:#dff;background:#000">

  <p>此处显示提示内容"

  <p>提示1

  <p>提示2

  </div>

  </div>

  </div>

  <br>

  1<br>

  <br>

  <input name="Input" id="test3" value="风格演示" type="button" onclick="openLayer('test3','test_con3')" />

  <!--第三个弹出层的内容-->

  <div id="test_con3" style="display:none" title="包含弹出层的内容的容器">

  <div id="tab3" style="width:300px;height:180px;background:#fee">

  <div id="tabtop3">

  <div id="tabtop-L3"><strong style="color:red;font-size:20px">风格演示</strong></div>

  <div id="tabtop-R3" onclick="closeLayer()"><strong>关闭</strong></div>

  </div>

  <div id="tabcontent3">此处显示内容</div>

  </div>

  </div>

  </body>

  </html>