js通过封装div方式弹出div窗体

<!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><title>js通过封装div方式弹出div窗体</title><meta http-equiv="Content-Type" content="text/html;charset=gb2312" />  <style type="text/css">                      .mask{position: absolute;        top: 0px;         left: 0px;         filter: alpha(opacity=50);        -moz-opacity:0.5;           opacity:0.5;         background-color: #ffffff;        z-index: 2;         display: none;}     /*  弹出基本资料div */div.sample_popup {height:auto; border: 1px solid #327eca; width: 300px;  } div.menu_form_header{  background: url('../images/baseInfo/titleBG.gif') repeat-x;} div.sample_popup div.menu_form_header {    border-bottom: 0px;   cursor: default;    width:100%;  height:      22px;   line-height: 22px;   vertical-align: middle;   text-decoration: none;   font-family: "Times New Roman", Serif;   font-weight: 800;   font-size: 13px;   color: #206040; } div.menu_form_body {    width:100%;   height:150px;  font-size:12px;  background-color:#f1f8fe;} div.sample_popup input.menu_form_exit {   float: right;   margin: 4px 5px 0px 0px;   cursor: pointer; } /*end:  弹出商品信息div */    </style><script type="text/javascript">/************************************************** * DivWindow.js **************************************************/var DivWindow= function(popup/*最外层div id*/,popup_drag/*拖动div id*/,popup_exit/*退出按钮id*/ ,exitButton/*触发服务器端退出按钮id*/,varwidth,varheight,zindex){  this.popup =popup ; //窗口名称  this.popup_drag=popup_drag; this.height =varheight ; //窗口高度，并没用来设置窗口高度宽度，用来定位在屏幕的位置 this.width =varwidth ; //窗口宽度        this.popup_exit=popup_exit;        this.exitButton=exitButton;        this.zindex=zindex;       this.init = function(){ //初始化窗口      this.popupShow();  this.startDrag(); //设置拖动    this.setCommond(); //设置关闭  DivWindow.ArrayW.push(document.getElementById(this.popup)); //存储窗口到数组 };this.init();};//存储窗口到数组DivWindow.ArrayW = new Array();//字符串连接类DivWindow.StringBuild = function(){ this.arr = new Array(); this.push = function(str){  this.arr.push(str); }; this.toString = function(){  return this.arr.join(""); };};//拖动类DivWindow.Drag = function(o ,oRoot){ var _self = this; //拖动对象 this.obj = (typeof oRoot != "undefined") ?oRoot : o; this.relLeft = 0; //记录横坐标 this.relTop = 0; //记录纵坐标 o.onselectstart = function(){  return false; }; o.onmousedown = function(e){ //鼠标按下  e = _self.fixE(e);  _self.relLeft = e.clientX - _self.fixU(_self.obj.style.left);   _self.relTop = e.clientY - _self.fixU(_self.obj.style.top);   document.onmousemove = function(e){   _self.drag(e);   //_self.obj.style.border = "1px dashed #000000";   //_self.obj.style.filter = "alpha(opacity=30)";   //_self.obj.style.opacity = "0.3";  };  document.onmouseup  = function(){   _self.end();   //_self.obj.style.border = "1px solid #cccccc";   //_self.obj.style.borderBottom = "2px solid #E0E0E0";   //_self.obj.style.borderRight = "2px solid #E0E0E0";   //_self.obj.style.filter = "alpha(opacity=100)";   //_self.obj.style.opacity = "1";  }; }; this.drag = function(e){ //拖动  e = this.fixE(e);  var l = e.clientX - this.relLeft;  var t = e.clientY - this.relTop;  if (t < 0)  {   t = 0; //防止头部消失  }  this.obj.style.left = l +"px";  this.obj.style.top = t +"px";  }; this.end = function(){ //结束拖动  document.onmousemove = null;  document.onmouseup = null; }; this.fixE = function(e){ //修复事件  if (typeof e == "undefined") e = window.event;  return e; }; this.fixU = function(u){ //处理px单位  return parseInt(u.split("p")[0]); };};//窗口拖动DivWindow.prototype.startDrag = function(){ var obj = document.getElementById(this.popup);        var drag = document.getElementById(this.popup_drag);    new DivWindow.Drag(drag,obj);};//设定窗口优先级DivWindow.prototype.setTop = function(){ document.getElementById(this.popup).onclick =  document.getElementById(this.popup).onmousedown =  function(){  for(var i=0;i<DivWindow.ArrayW.length;i++)  {   DivWindow.ArrayW[i].style.zIndex = 1;  }  this.style.zIndex = 100; }; };//显示DivWindow.prototype.popupShow=function() {       document.getElementById('mask').style.display="block";           document.getElementById('mask').style.width=window.screen.width +20;        document.getElementById('mask').style.height=window.screen.width +20;        var  element      = document.getElementById(this.popup);         element.style.position   = "absolute";         element.style.visibility = "visible";         element.style.display    = "block";         element.style.width=this.width;        element.style.height='auto';        element.style.left = (window.screen.width - this.width)/2+"px";        //element.style.top  =(window.screen.height-this.height-100)/2+"px";         element.style.top  =20+"px";        element.style.zIndex=this.zindex;} //设置关闭DivWindow.prototype.setCommond = function(){ var _self = this; //根对象 var obj = document.getElementById(this.popup); var exit = document.getElementById(this.popup_exit); var triggServerEvent=document.getElementById(this.exitButton); //设置关闭             exit.onclick = function(){      obj.style.display = "none";      obj.style.visibility = 'hidden';                     document.all.mask.style.display='none'//关闭遮罩层                    triggServerEvent.click();//触发服务器端退出事件     };};</script></head><body><div> <input type="button"  id="show" onclick="javascript:new DivWindow('popup','popup_drag','popup_exit','exitButton','500','700',4);"  value='点击弹出窗口'   />  <input type="button"  id="exitButton"   value="aaaa" /> </div>   <div id="mask"  class="mask"> </div><div class="sample_popup"     id="popup" style="visibility: hidden; display: none;"> <div class="menu_form_header" id="popup_drag">  <input type="button"  id="popup_exit" value="退出"           /> 站长工具：<a href="http://www.zzgjj.com.cn">www.zzgjj.com.cn</a></div> <div class="menu_form_body" >  <div id="popDetail">  片区名称：<input type="button"  id="Button1" onclick="javascript:new DivWindow('Div1','Div2','exit2','exitButton','500','700',5);"  value='再次点击触发'   />    <br /> </div>    </div></div><div class="sample_popup"     id="Div1" style="visibility: hidden; display: none;"> <div class="menu_form_header" id="Div2">  <input type="button"  id="exit2" value="退出"           /> </div> <div class="menu_form_body" >  <div id="Div3">  C++学习网：<a href="http://www.zzgjj.com.cn">站长工具</a><br/>温馨提示，这个窗口可以拖动 </div>    </div></div></body></html>

js通过封装div方式弹出div窗体

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