<!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=utf-8">
<title>js控制div縮放移動</title>
<style type="text/css">
*{margin:0;padding:0;}
#www_ablanuxe_com{
width:100%;
height:100%;
background:#f00;
filter:alpha(opacity:0);
opacity:0;
z-index:9999;
position:absolute;
top:0;
left:0;
display:none;
}
#ablanuxe_com_2{
width:200px;
height:200px;
position:relative;
background:#EEEEEE;
border:1px solid #f00;
display: none;
}
#www_ablanuxe_com_1{
width:15px;
height:15px;
background:#99CC00;
position:absolute;
right:0px;
bottom:0px;
cursor:nw-resize;
overflow:hidden;
font-size:12px;
text-align:center;
line-height:15px;
color:#FFFFFF;
float:right;
z-index:3;
}
#right{
width:15px;
height:100%;
background:#f00;
float:right;
position:absolute;
right:0;
top:0;
cursor:e-resize;
overflow:hidden;
filter:alpha(opacity:0);
opacity:0;
z-index:1;
}
#bottom{
width:100%;
height:15px;
background:#f00;
position:absolute;
left:0;
bottom:0;
cursor:n-resize;
overflow:hidden;
filter:alpha(opacity:0);
opacity:0;
z-index:1;
}
#ablanuxe_com_2 p{
padding:10px;
line-height:24px;
font-size:13px;
text-indent:24px;
color:#996600;
}
#ablanuxe_com_2 h2{
width:100%;
height:25px;
line-height:25px;
font-size:14px;
background:#CC9900;
color:#FFFFFF;
text-indent:15px;
cursor:move;
overflow:hidden;
}
</style>
<script type="text/javascript" src="jquery-1.8.3.min.js" ></script>
<script type="text/javascript">
$(function(){
$(".showbtn").click(function(){
var new_width=$("#showwidth").val();
var new_height=$("#showheight").val();
alert(new_width+"+"+new_height);
$("#ablanuxe_com_2").css({"width":new_width+"px","height":new_height+"px"})
$("#ablanuxe_com_2").show();
})
})
</script>
<script type="text/javascript">
window.οnlοad=function()
{
var oDiv=document.getElementById("www_ablanuxe_com_1");
var oDiv2=document.getElementById("ablanuxe_com_2");
var zhezhao=document.getElementById("www_ablanuxe_com");
var h2=oDiv2.getElementsByTagName("h2")[0];
var right=document.getElementById("right");
var bottom=document.getElementById("bottom");
var new_width=document.getElementById("showwidth");
var new_height=document.getElementById("showheight");
var mouseStart={};
var divStart={};
var rightStart={};
var bottomStart={};
//往右拽
right.οnmοusedοwn=function(ev)
{
var oEvent=ev||event;
mouseStart.x=oEvent.clientX;
mouseStart.y=oEvent.clientY;
rightStart.x=right.offsetLeft;
if(right.setCapture)
{
right.οnmοusemοve=doDrag1;
right.οnmοuseup=stopDrag1;
right.setCapture();
}
else
{
document.addEventListener("mousemove",doDrag1,true);
document.addEventListener("mouseup",stopDrag1,true);
}
};
function doDrag1(ev)
{
var oEvent=ev||event;
var l=oEvent.clientX-mouseStart.x+rightStart.x;
var w=l+oDiv.offsetWidth;
if(w<oDiv.offsetWidth)
{
w=oDiv.offsetWidth;
}
else if(w>document.documentElement.clientWidth-oDiv2.offsetLeft)
{
w=document.documentElement.clientWidth-oDiv2.offsetLeft-2;
}
oDiv2.style.width=w+"px";
new_width.value=w;
};
function stopDrag1()
{
if(right.releaseCapture)
{
right.οnmοusemοve=null;
right.οnmοuseup=null;
right.releaseCapture();
}
else
{
document.removeEventListener("mousemove",doDrag1,true);
document.removeEventListener("mouseup",stopDrag1,true);
}
};
//往下拽
bottom.οnmοusedοwn=function(ev)
{
var oEvent=ev||event;
mouseStart.x=oEvent.clientX;
mouseStart.y=oEvent.clientY;
bottomStart.y=bottom.offsetTop;
if(bottom.setCapture)
{
bottom.οnmοusemοve=doDrag2;
bottom.οnmοuseup=stopDrag2;
bottom.setCapture();
}
else
{
document.addEventListener("mousemove",doDrag2,true);
document.addEventListener("mouseup",stopDrag2,true);
}
};
function doDrag2(ev)
{
var oEvent=ev||event;
var t=oEvent.clientY-mouseStart.y+bottomStart.y;
var h=t+oDiv.offsetHeight;
if(h<oDiv.offsetHeight)
{
h=oDiv.offsetHeight;
}
else if(h>document.documentElement.clientHeight-oDiv2.offsetTop)
{
h=document.documentElement.clientHeight-oDiv2.offsetTop-2;
}
oDiv2.style.height=h+"px";
new_height.value=h;
};
function stopDrag2()
{
if(bottom.releaseCapture)
{
bottom.οnmοusemοve=null;
bottom.οnmοuseup=null;
bottom.releaseCapture();
}
else
{
document.removeEventListener("mousemove",doDrag2,true);
document.removeEventListener("mouseup",stopDrag2,true);
}
};
//往左右同時拽
oDiv.οnmοusedοwn=function(ev)
{
var oEvent=ev||event;
mouseStart.x=oEvent.clientX;
mouseStart.y=oEvent.clientY;
divStart.x=oDiv.offsetLeft;
divStart.y=oDiv.offsetTop;
if(oDiv.setCapture)
{
oDiv.οnmοusemοve=doDrag;
oDiv.οnmοuseup=stopDrag;
oDiv.setCapture();
}
else
{
document.addEventListener("mousemove",doDrag,true);
document.addEventListener("mouseup",stopDrag,true);
}
zhezhao.style.display='block';
};
function doDrag(ev)
{
var oEvent=ev||event;
var l=oEvent.clientX-mouseStart.x+divStart.x;
var t=oEvent.clientY-mouseStart.y+divStart.y;
var w=l+oDiv.offsetWidth;
var h=t+oDiv.offsetHeight;
if(w<oDiv.offsetWidth)
{
w=oDiv.offsetWidth;
}
else if(w>document.documentElement.clientWidth-oDiv2.offsetLeft)
{
w=document.documentElement.clientWidth-oDiv2.offsetLeft-2;
}
if(h<oDiv.offsetHeight)
{
h=oDiv.offsetHeight;
}
else if(h>document.documentElement.clientHeight-oDiv2.offsetTop)
{
h=document.documentElement.clientHeight-oDiv2.offsetTop-2;
}
oDiv2.style.width=w+"px";
oDiv2.style.height=h+"px";
new_width.value=w;
new_height.value=h;
};
function stopDrag()
{
if(oDiv.releaseCapture)
{
oDiv.οnmοusemοve=null;
oDiv.οnmοuseup=null;
oDiv.releaseCapture();
}
else
{
document.removeEventListener("mousemove",doDrag,true);
document.removeEventListener("mouseup",stopDrag,true);
}
zhezhao.style.display='none';
};
//h2完美拖拽
h2.οnmοusedοwn=function(ev)
{
var oEvent=ev||event;
mouseStart.x=oEvent.clientX;
mouseStart.y=oEvent.clientY;
divStart.x=oDiv2.offsetLeft;
divStart.y=oDiv2.offsetTop;
if(h2.setCapture)
{
h2.οnmοusemοve=doDrag3;
h2.οnmοuseup=stopDrag3;
h2.setCapture();
}
else
{
document.addEventListener("mousemove",doDrag3,true);
document.addEventListener("mouseup",stopDrag3,true);
}
zhezhao.style.display='block';
};
function doDrag3(ev)
{
var oEvent=ev||event;
var l=oEvent.clientX-mouseStart.x+divStart.x;
var t=oEvent.clientY-mouseStart.y+divStart.y;
if(l<0)
{
l=0;
}
else if(l>document.documentElement.clientWidth-oDiv2.offsetWidth)
{
l=document.documentElement.clientWidth-oDiv2.offsetWidth;
}
if(t<0)
{
t=0;
}
else if(t>document.documentElement.clientHeight-oDiv2.offsetHeight)
{
t=document.documentElement.clientHeight-oDiv2.offsetHeight;
}
oDiv2.style.left=l+"px";
oDiv2.style.top=t+"px";
};
function stopDrag3()
{
if(h2.releaseCapture)
{
h2.οnmοusemοve=null;
h2.οnmοuseup=null;
h2.releaseCapture();
}
else
{
document.removeEventListener("mousemove",doDrag3,true);
document.removeEventListener("mouseup",stopDrag3,true);
}
zhezhao.style.display='none';
}
};
</script>
</head>
<body>
<div style="border: #0000FF solid 1px;padding: 10px;margin: 10px;">
<label>寬：<input type="text" value="" id="showwidth"/></label>
<label>高：<input type="text" value="" id="showheight"/></label>
<p class="showbtn" style="padding: 5px;background: #00B83F;color: #fff;margin:10px;width: 80px;text-align: center;">顯示</p>
</div>
<div id="ablanuxe_com_2">
<div style="width:100%;height:100%;overflow:hidden;">
<h2>我是标題行</h2>
<p>我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容我是内容内容</p>
<div id="right"></div>
<div id="www_ablanuxe_com_1">拖</div>
<div id="bottom"></div>
</div>
</div>
<div id="www_ablanuxe_com"></div>
</body>
</html>
js滑鼠控制div縮放移動 
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