比较实用的网页弹出层

大中小文章来源：万象互联更新时间：2011-8-18 14:30:33

一个弹出层的问题~
就是那个仿51JOB效果的弹出层
首先感谢那位兄弟,谢谢
我想封装成一个比较实用的弹出层
就是只更改addrHTML()函数就可以改变弹出层的内容
我不会,感谢各位JS大大们帮助一下,谢谢

<!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>无标题文档</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> <script type="text/javascript"> //拖拽 //对“拖动点”定义：onMousedown="StartDrag(this)" onMouseup="StopDrag(this)" onMousemove="Drag(this)"即可 var move=false,oldcolor,_X,_Y; function StartDrag(obj){ //定义准备拖拽的函数 obj.setCapture(); //对当前对象的鼠标动作进行跟踪 oldcolor=obj.style.backgroundColor; obj.style.background="#999"; move=true; //获取鼠标相对内容层坐标 var parentwin=document.getElementById("popupAddr"); _X=parentwin.offsetLeft-event.clientX _Y=parentwin.offsetTop-event.clientY } function Drag(obj){ //定义拖拽函数 if(move){ var parentwin=document.getElementById("popupAddr"); parentwin.style.left=event.clientX+_X; parentwin.style.top=event.clientY+_Y; } } function StopDrag(obj){ //定义停止拖拽函数 obj.style.background=oldcolor; obj.releaseCapture(); //停止对当前对象的鼠标跟踪 move=false; } </script> </head> <body> <input name="Input" id="test" value="风格设置" type="button" onclick="openLayer('test','test_con')" />  <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')" />  <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> <br> <br> <input name="Input" id="test3" value="风格演示" type="button" onclick="openLayer('test3','test_con3')" />  <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" onMousedown="StartDrag(this)" onMouseup="StopDrag(this)" onMousemove="Drag(this)"><strong style="color:red;font-size:20px">风格演示(可拖动)</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>

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