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Javascript 中的 js可拖动的后台界面

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-10-12 浏览: 78 ::

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javascript+xml技术实现分页浏览 javascript 单选框，多选框美化代码

不错的后台界面，方便大家以后做后台 // ************************ 拖动 *********************************
function setDrag(e){
var drag_flag = true;
var begin_x = getX(e);
//添加蒙板
createMask();
//添加半透明拖动条
createSplitDiv();
function getX(e){
if(window.event) e = window.event;
return (e.x || e.clientX);
}
function createSplitDiv(){
//半透明的拖动条
var _top = $doc("topArea").offsetHeight +"px";
var _left = $doc("dragBar").offsetLeft +"px";;
var _height = $doc("dragBar").offsetHeight +"px";;
var splitDivCss="position:absolute;width:6px;height:"+_height+";top:"+_top+";left:"+_left+";cursor:col-
resize;background-color:#cccccc;overflow:hidden;z-index:10010;filter:alpha(opacity=50);opacity:0.5;";
var _splitDiv = document.createElement("div");
_splitDiv.id = "splitDiv";
_splitDiv.style.cssText = splitDivCss;
document.body.appendChild(_splitDiv);
}
function createMask(){
try{
//创建背景
var rootEl=document.documentElement||document.body;
var docHeight=((rootEl.clientHeight>rootEl.scrollHeight)?
rootEl.clientHeight:rootEl.scrollHeight)+"px";
var docWidth=((rootEl.clientWidth>rootEl.scrollWidth)?rootEl.clientWidth:rootEl.scrollWidth)
+"px";
var
shieldStyle="position:absolute;top:0px;left:0px;width:"+docWidth+";height:"+docHeight+";background:#cccccc;z-
index:10000;filter:alpha(opacity=0);opacity:0";
var _shield = document.createElement("div");
_shield.id = "shield";
_shield.style.cssText = shieldStyle;
document.body.appendChild(_shield);
}catch(e){}
}
//拖动时执行的函数
document.onmousemove = function(e){
try{
if(drag_flag){
var now_x = getX(e);
var _pv = parseInt($doc("splitDiv").style.left)+ now_x - begin_x;
$doc("splitDiv").style.left = _pv +"px";
begin_x = now_x;
}else{
$doc("leftShow").style.width = $doc("splitDiv").style.left;
document.body.removeChild($doc("shield"));
document.body.removeChild($doc("splitDiv"));
// 调整页面布局
resizePage();
}
}catch(e){}
}
document.onmouseup = function(){
try{
if(drag_flag){
//设定拖动条的位置（设定左侧的宽度）
$doc("leftShow").style.width = $doc("splitDiv").style.left;
document.body.removeChild($doc("shield"));
document.body.removeChild($doc("splitDiv"));
// 调整页面布局
resizePage();
}
drag_flag = false;
begin_x = null;
}catch(e){}
}
}
if(window.attachEvent){
window.attachEvent("onload",function(){resizePage();});
window.attachEvent("onresize",function(){resizePage();});
}
if(window.addEventListener){
window.addEventListener("load",function(){resizePage();},true);
window.addEventListener("resize",function(){resizePage();},true);
}

点击运行可以看到效果:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>可拖动的后台界面_软晨学习网_ruanchen.com</title>
<style type="text/css"> *{ margin: 0px; font-size:12px; font-family:"宋体"; color:#000000;
}
html,body{ height: 100%; width: 100%; overflow:hidden; background-color:#EEEEEF;
}
img{ padding:0px; margin:0px; vertical-align:middle; border:0px;
}
.f_left{ float:left; clear:right;
}
.f_right{ float:right ; clear:right;
}
.topArea{ width:100%; height:60px;
}
.logoArea{ float:left; width:100%; height:36px; background-color:#EEEEEF;
}
.toolbarArea{ float:left; width:100%; height:24px; background-color:#EEEEEF;
}
.bottomArea{ height:25px; line-height:25px; background-color:#EEEEEF ;
}
.leftBg{ background:#ffffff; border:1px solid #BEBEBE;
}
.mainContent{ padding:0px;
}
.content_show{ float:left; clear:right; height:100%; width:auto; margin:0px; padding:0px; background-color:#ffffff; border:1px solid #BEBEBE;
}
.splitBar{ width:6px; height:100%; cursor:col-resize;
}
</style>
<script type="text/javascript"> function $doc(ele){ if(typeof ele == "string" || ele instanceof String){ return document.getElementById(ele); } return ele;
} //设置页面布局
function resizePage(){ var topArea = $doc("topArea"); var mainContent = $doc("mainContent"); var footer = $doc("footer"); var myHeight = document.body.clientHeight - (topArea.offsetHeight + footer.offsetHeight); if(myHeight <= 0) myHeight = 10; mainContent.style.height = myHeight + "px"; var center = $doc("center"); if(!document.all){ myHeight = myHeight ;//- 10; } center.style.height = myHeight + "px"; var leftShow = $doc("leftShow"); var myWidth = document.body.clientWidth - leftShow.offsetWidth - 6; /*if(!document.all){ myWidth = myWidth - 5 }*/ myWidth = myWidth - 5 center.style.width = myWidth + "px";
}
// ************************ 拖动 ********************************* function setDrag(e){ var drag_flag = true; var begin_x = getX(e); //添加蒙板 createMask(); //添加半透明拖动条 createSplitDiv(); function getX(e){ if(window.event) e = window.event; return (e.x || e.clientX); } function createSplitDiv(){ //半透明的拖动条 var _top = $doc("topArea").offsetHeight +"px"; var _left = $doc("dragBar").offsetLeft +"px";; var _height = $doc("dragBar").offsetHeight +"px";; var splitDivCss="position:absolute;width:6px;height:"+_height+";top:"+_top+";left:"+_left+";cursor:col-
resize;background-color:#cccccc;overflow:hidden;z-index:10010;filter:alpha(opacity=50);opacity:0.5;"; var _splitDiv = document.createElement("div"); _splitDiv.id = "splitDiv"; _splitDiv.style.cssText = splitDivCss; document.body.appendChild(_splitDiv); } function createMask(){ try{ //创建背景 var rootEl=document.documentElement||document.body; var docHeight=((rootEl.clientHeight>rootEl.scrollHeight)?
rootEl.clientHeight:rootEl.scrollHeight)+"px"; var docWidth=((rootEl.clientWidth>rootEl.scrollWidth)?rootEl.clientWidth:rootEl.scrollWidth)
+"px"; var
shieldStyle="position:absolute;top:0px;left:0px;width:"+docWidth+";height:"+docHeight+";background:#cccccc;z-
index:10000;filter:alpha(opacity=0);opacity:0"; var _shield = document.createElement("div"); _shield.id = "shield"; _shield.style.cssText = shieldStyle; document.body.appendChild(_shield); }catch(e){} } //拖动时执行的函数 document.onmousemove = function(e){ try{ if(drag_flag){ var now_x = getX(e); var _pv = parseInt($doc("splitDiv").style.left)+ now_x - begin_x; $doc("splitDiv").style.left = _pv +"px"; begin_x = now_x; }else{ $doc("leftShow").style.width = $doc("splitDiv").style.left; document.body.removeChild($doc("shield")); document.body.removeChild($doc("splitDiv")); // 调整页面布局 resizePage(); } }catch(e){} } document.onmouseup = function(){ try{ if(drag_flag){ //设定拖动条的位置（设定左侧的宽度） $doc("leftShow").style.width = $doc("splitDiv").style.left; document.body.removeChild($doc("shield")); document.body.removeChild($doc("splitDiv")); // 调整页面布局 resizePage(); } drag_flag = false; begin_x = null; }catch(e){} } } if(window.attachEvent){ window.attachEvent("onload",function(){resizePage();}); window.attachEvent("onresize",function(){resizePage();}); } if(window.addEventListener){ window.addEventListener("load",function(){resizePage();},true); window.addEventListener("resize",function(){resizePage();},true); }
</script>
</head>
<body>
<div id="topArea" class="topArea"> <div class="logoArea"> </div> <div class="toolbarArea"> </div>
</div>
<div id="mainContent"> <div id="leftShow" class="f_left leftBg" style="width:180px;height:100%;"></div> <div class="f_left splitBar" id="dragBar" onmousedown = "setDrag(event);"></div> <div class="content_show" id="center" style="overflow-y:auto;overflow-x:hidden;"> <iframe src="" width="100%" height="100%" frameborder="1"></iframe> </div>
</div>
<div id="footer" class="bottomArea" align="center">
</div>
</body>
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

javascript+xml技术实现分页浏览 javascript 单选框，多选框美化代码

Javascript 中的 js可拖动的后台界面

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