Posted in Javascript onAugust 11, 2015
可以拖动的弹出窗口，在很多网页上都可以见到，非常的人性化，下面通过一段javascript代码就可以实现弹出拖动窗口，废话不多说了，直接贴代码了。
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="https://3water.com/" />
<title>可以拖动的弹出窗口</title>
<style type="text/css">
#popDiv
{
position:absolute;
visibility:hidden;
overflow:hidden;
border:2px solid #AEBBCA;
background-color:#EEF1F8;
cursor:move;
padding:1px;
}
#popTitle
{
background:#9DACBF;
height:20px;
line-height:20px;
padding:1px;
}
#popForm
{
padding:2px;
}
.title_left
{
font-weight:bold;
padding-left:5px;
float:left;
}
.title_right
{
float:right;
}
#popTitle .title_right a
{
color:#000;
text-decoration:none;
}
#popTitle .title_right a:hover
{
text-decoration:underline;
color:#FF0000;
}
</style>
<script>
function showPopup() //弹出层
{
var objDiv=document.getElementById("popDiv");
objDiv.style.top="50px";//设置弹出层距离上边界的距离
objDiv.style.left="200px";//设置弹出层距离左边界的距离
objDiv.style.width="300px";//设置弹出层的宽度
objDiv.style.height="200px";//设置弹出层的高度
objDiv.style.visibility="visible";
}
function hidePopup()//关闭层
{
var objDiv=document.getElementById("popDiv");
objDiv.style.visibility="hidden";
}
</script>
</head>
<body>
<div id="popDiv">
<div id="popTitle"> <!-- 标题div -->
<span class="title_left">修改操作</span>
<span class="title_right" onClick="hidePopup()"><a href="#">关闭</a></span>
</div>
<div id="popForm"></div>
</div>
<input name="" type="button" onClick="showPopup()" value="操作" />
<script type="text/javascript">
var objDiv=document.getElementById("popDiv");
var isIE=document.all?true:false;//判断浏览器类型
document.onmousedown = function(evnt)//当鼠标左键按下后执行此函数
{
var evnt=evnt?evnt:event;
if(evnt.button == (document.all ? 1 : 0))
{
mouseD = true;//mouseD为鼠标左键状态标志，为true时表示左键被按下
}
}
objDiv.onmousedown = function(evnt)
{
objDrag=this;//objDrag为拖动的对象
var evnt=evnt?evnt:event;
if(evnt.button == (document.all?1 : 0))
{
mx=evnt.clientX;
my=evnt.clientY;
objDiv.style.left=objDiv.offsetLeft+"px";
objDiv.style.top=objDiv.offsetTop+"px";
if(isIE)
{
objDiv.setCapture();
}
else
{
window.captureEvents(Event.MOUSEMOVE);
}
}
}
document.onmouseup=function()
{
mouseD=false;
objDrag="";
if(isIE)
{
objDiv.releaseCapture();
}
else
{
window.releaseEvents(objDiv.MOUSEMOVE);
}
}
document.onmousemove=function(evnt)
{
var evnt=evnt?evnt:event;
if(mouseD==true&&objDrag)
{
var mrx=evnt.clientX-mx;
var mry=evnt.clientY-my;
objDiv.style.left = parseInt(objDiv.style.left) + mrx + "px";
objDiv.style.top = parseInt(objDiv.style.top) + mry + "px";
mx = evnt.clientX;
my = evnt.clientY;
}
}
</script>
</body>
</html>
以上是本文实现javascript弹出拖动窗口的全部内容，希望对大家有所帮助。
javascript弹出拖动窗口
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